sonoelis se8065 - ELIS PLZEŇ a.s.

Design, Assembly and Service Manual
ELIS PLZEŇ a. s.
Ultrasonic flow meter SONOELIS SE8065
Page 1 of 48
Double-beam ultrasonic flow meter for direct
installation in piping
SONOELIS SE8065
ELIS PLZEŇ a. s., Luční 15, P. O. BOX 126, 304 26 Plzeň, Czech Republic, tel.: +420/377 517 711, fax: +420/377 517 722
Es 90 215 K/b
Design, Assembly and Service Manual
ELIS PLZEŇ a. s.
Ultrasonic flow meter SONOELIS SE8065
Page 2 of 48
Content
1. APPLICATION ..................................................................................................................................................4 2. FUNCTION PRINCIPLE ...................................................................................................................................4 3. TECHNICAL DESCRIPTION ............................................................................................................................5 3.1. Terminology and symbols used in this manual ............................................................................................................ 5 3.2. Equipment description ................................................................................................................................................. 6 3.3. Meter design .............................................................................................................................................................. 10 3.3.1. Flow meter sensor .............................................................................................................................................. 10 3.3.2. Electronic unit UP 3.10 ....................................................................................................................................... 10 4. TECHNICAL PARAMETERS .........................................................................................................................10 4.1. Flow rate determination ............................................................................................................................................. 10 4.2. Technical specifications ............................................................................................................................................. 11 4.3. Communication with external devices ....................................................................................................................... 12 5. GENERAL RULES FOR FLOW METER APPLICATION ..............................................................................12 6. FLOW METER INSTALLATION ....................................................................................................................12 6.1. Meter assembly and installation ................................................................................................................................ 12 6.1.1. Recommended assembly fixtures and tooling .................................................................................................... 13 6.1.2. Flow meter installation criteria ............................................................................................................................ 13 6.1.2.1. Selection of measuring spot ........................................................................................................................ 13 6.1.2.2. Necessary room for flow sensor installation ................................................................................................ 14 6.1.3. Preparatory and measuring operations on meter piping ..................................................................................... 15 6.1.3.1. Determination of outer diameter of meter piping.......................................................................................... 15 6.1.3.2. Marking of surface top line........................................................................................................................... 15 6.1.3.3. Laying out of installation points.................................................................................................................... 16 6.1.4. Installation of welded-on pieces into the piping .................................................................................................. 17 6.1.5. Facing of the seating surfaces on the welded-on pieces .................................................................................... 19 6.1.6. Determination of mechanical parameters of the meter sensor ........................................................................... 20 6.1.6.1. Measuring ray angle .................................................................................................................................... 20 6.1.6.2. Distance between outer end faces of welded-on pieces .............................................................................. 21 6.1.6.3. Inner diameter of meter piping ..................................................................................................................... 22 6.1.7. Flow meter sensor assembly .............................................................................................................................. 22 6.1.8. External power connection ................................................................................................................................. 22 6.1.9. Marking ............................................................................................................................................................... 25 7. SETTING FLOW METER IN OPERATION ....................................................................................................25 7.1. Theoretical calibration ............................................................................................................................................... 25 7.2. Operational start and control of the meter functions .................................................................................................. 28 7.2.1. Display data ........................................................................................................................................................ 29 7.2.1.1. Meter status information .............................................................................................................................. 29 7.2.1.2. Display of measured data ............................................................................................................................ 29 7.2.2. Review of the measured quantities..................................................................................................................... 30 7.2.3. Review of the measured quantity units ............................................................................................................... 30 7.2.4. Unit conversion table .......................................................................................................................................... 31 7.3. Keyboard control functions ........................................................................................................................................ 31 7.3.1. Data display mode .............................................................................................................................................. 32 7.3.1.1. Volume flow rate .......................................................................................................................................... 32 7.3.1.2. Relative volume flow rate ............................................................................................................................ 32 7.3.1.3. Mass flow rate ............................................................................................................................................. 32 7.3.1.4. Relative mass flow rate ............................................................................................................................... 32 7.3.1.5. Volume ........................................................................................................................................................ 32 7.3.1.6. Volume + ..................................................................................................................................................... 33 7.3.1.7. Volume - ...................................................................................................................................................... 33 7.3.1.8. Mass ............................................................................................................................................................ 33 7.3.1.9. Mass + ......................................................................................................................................................... 33 7.3.1.10. Mass - ........................................................................................................................................................ 33 7.3.1.11. Temperature .............................................................................................................................................. 33 7.3.1.12. Density ...................................................................................................................................................... 33 7.3.1.13. Sound propagation velocity ....................................................................................................................... 33 7.3.1.14. Fluid flow velocity ...................................................................................................................................... 33 7.3.1.15. Start of the measurement period ............................................................................................................... 33 7.3.1.16. Duration of the measurement period ......................................................................................................... 33 7.3.1.17. Duration of failure condition ....................................................................................................................... 34 7.3.1.18. Power failure period ................................................................................................................................... 34 ELIS PLZEŇ a. s., Luční 15, P. O. BOX 126, 304 26 Plzeň, Czech Republic, tel.: +420/377 517 711, fax: +420/377 517 722
Es 90 215 K/b
Design, Assembly and Service Manual
ELIS PLZEŇ a. s.
Ultrasonic flow meter SONOELIS SE8065
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7.3.1.19. Date ........................................................................................................................................................... 34 7.3.1.20. Time .......................................................................................................................................................... 34 7.3.2. Parameter setting mode ..................................................................................................................................... 34 7.3.2.1. Password ..................................................................................................................................................... 34 7.3.2.2. Meter setting procedures ............................................................................................................................. 34 7.3.2.3. Language selection ..................................................................................................................................... 35 7.3.2.4. Measuring unit selection .............................................................................................................................. 35 7.3.2.5. New password definition .............................................................................................................................. 35 7.3.2.6. Initial quantity selection ............................................................................................................................... 35 7.3.2.7. Definition of limit values ............................................................................................................................... 35 7.3.2.8. Resetting aggregate quantities .................................................................................................................... 36 7.3.2.9 Meter zero setting ......................................................................................................................................... 37 7.3.2.10. End of parameter setting ........................................................................................................................... 37 7.4. Automated meter test ................................................................................................................................................ 37 8. SERVICE ACTIVITIES....................................................................................................................................46 8.1. Warranty services ...................................................................................................................................................... 46 8.2. Post-warranty services .............................................................................................................................................. 46 9. TESTING .........................................................................................................................................................46 10. ORDERING ...................................................................................................................................................46 11. PACKAGING ................................................................................................................................................46 12. PRODUCT ACCEPTANCE PROCEDURE ..................................................................................................46 13. WARRANTY CONDITIONS .........................................................................................................................47 14. PRODUCT ORDER FORM ...........................................................................................................................47 ELIS PLZEŇ a. s., Luční 15, P. O. BOX 126, 304 26 Plzeň, Czech Republic, tel.: +420/377 517 711, fax: +420/377 517 722
Es 90 215 K/b
Design, Assembly and Service Manual
ELIS PLZEŇ a. s.
Ultrasonic flow meter SONOELIS SE8065
Page 4 of 48
1. APPLICATION
The SONOELIS double-beam ultrasonic flow meter of the type series SE8065 for direct installation in piping
is a device for measuring instantaneous flow rate and the total volume of water passed through fully flooded piping.
The flow meter includes hardware and software for communication with superordinated control systems. Compared
to a single-beam meters, the double-beam principle allows for a higher precision of the flow rate measurement over
a wider range of flow rate values.
Ultrasonic flow meter SONOELIS SE8065 can be installed into existing steel piping with minimum
mechanical modifications and relatively low investment costs. The advantages of this solution are particularly
noticeable in the cases of large piping diameter where a flow meter sensor installation between flanges is far
more expensive than a system using “direct” sensor installation.
2. FUNCTION PRINCIPLE
Flow meter SONOELIS SE8065 uses a single-channel “transit-time” impulse method where the flow rate of
the measured liquid is determined from the flight time of the ultrasonic signal between the sensor probes.
Each probe of the two pairs of ultrasonic probes installed into the piping under specified angles operates in
turns as a sender and receiver (see Fig. 1].
Fig. 1
Principle of flow rate measurement
It holds that ultrasonic ray in a flowing fluid propagates faster in the direction of the flowing fluid than
against it. In the flow meter, electronic converter evaluates the differences between the transit (passage) times
of ultrasonic signals sent in and against the direction of fluid flow, determines the average flow speed of the
fluid and, taking into account the parameters of the meter piping, derives the value of the instantaneous flow
rate. The above principle of flow rate measurement using ultrasonic ray can be described by the following
equations:
v1 = c + v . cosα
[1]
v2 = c – v . cosα
[2]
t1 =
1
v1
[3]
t2 =
1
v2
[4]
ELIS PLZEŇ a. s., Luční 15, P. O. BOX 126, 304 26 Plzeň, Czech Republic, tel.: +420/377 517 711, fax: +420/377 517 722
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Design, Assembly and Service Manual
ELIS PLZEŇ a. s.
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Ultrasonic flow meter SONOELIS SE8065
where
v1
- ultrasonic ray speed in the direction of fluid flow [m/sec]
v2
- ultrasonic ray speed against the direction of fluid flow [m/sec]
t1
- ultrasonic ray passage time in the direction of fluid flow [sec]
t2
- ultrasonic ray passage time against the direction of fluid flow [sec]
c
- propagation velocity of ultrasonic signal in the measured medium [m/sec]
l
- distance between the face sections of ultrasonic probes [m]
v
- instantaneous value of the average velocity of the flowing medium [m/sec]
α
- angle formed by the measuring ray and the longitudinal axis of the piping [o]
After modification of equations [1] to [4] the average velocity of the medium flowing in the piping can be
expressed as follows:
v=
1(t 2 − t1)
[5]
2.t1.t 2. cosα
For the flow volume it holds: q = v.s.k (v) [6]
where
s
- square section of the meter piping [m2]
k (v)
- correction coefficient related to the velocity profile of the medium flowing in the meter
piping
From equations [5] and [6] it follows that the flow rate of the measured medium is independent of
either sound propagation velocity in the flowing medium nor the medium pressure or temperature. It only
depends on the difference between the passage times of the ultrasonic signal between the ultrasonic
probes sent in and against the direction of the flow of the measured medium, and on the mechanical
arrangement of the flow meter sensor, i.e. its dimensions and other physical properties.
For a flow meter installed directly in the existing piping it is therefore necessary to define precisely the
dimensions and properties of the meter piping section. After installation of the ultrasonic probes in the piping, all
mechanical and physical data on the meter piping need be specified in electronic form and fed into the electronic
unit UP 3.10 where the so-called theoretical calibration takes place.
3. TECHNICAL DESCRIPTION
3.1. Terminology and symbols used in this manual
Symbol
Meter piping
Meter piping is a section of the piping system complying with the requirements for
flow meter installation
Flow meter sensor
Meter piping including ultrasonic probes
Length of flow stabilising piping
To ensure correct function of the flow meter, the flow velocity profile in the meter
piping must be stable. This condition is met by ensuring that the flow sensor is
located at a spot where there are straight sections of piping of sufficient length at
the input and output sides of the meter. The required stabilisation length is given in
multiples of the internal diameter of the meter piping.
Surface top line
The surface top line is defined as a section line common to a perpendicular plane
placed at the longitudinal axis of the piping and its outer surface.
pv
ELIS PLZEŇ a. s., Luční 15, P. O. BOX 126, 304 26 Plzeň, Czech Republic, tel.: +420/377 517 711, fax: +420/377 517 722
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Design, Assembly and Service Manual
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Ultrasonic flow meter SONOELIS SE8065
Measuring ray
Measuring ray is ultrasonic signal propagating between the face sections of
ultrasonic probes in a line identical with the longitudinal axes of the probes.
Surface side line
The surface side line is defined as a section line common to a horizontal plane
placed at the longitudinal axis of the piping and its outer surface.
pb
Outer diameter of the meter piping
Do
Inner diameter of the meter piping
Di
Angle formed by the measuring ray and the longitudinal axis of the meter
piping
α
Ultrasonic probe
Welded-on piece to which the ultrasonic probe is attached
Welding flange
Rectification pin
Distance between the face sections of ultrasonic probes
l
Distance between the outer end faces of the welded-on pieces
L
Probe sealing thickness
p
Pipe wall thickness
t
Length of the ultrasonic probe body
m
3.2. Equipment description
The ultrasonic flow meter SONOELIS SE8065 is an electronic device for measuring water flow rate in a fully
flooded piping. It consists of electronic control unit UP 3.10 and flow meter sensor including ultrasonic probes US
2.0. The flow meter SE8065 in the standard configuration is suitable for application in piping of nominal sizes DN
200 to DN 1,200; with angle α = 45° for piping sizes up to DN 800 and α = 60° for larger sizes (see the schematic
drawings below).
In its basic form, the flow meter includes isolated frequency and impulse outputs. On special request by the
customer the flow meter configuration may be extended to include communication line RS 485, isolated current
output and, upon installation of a resistor thermometer Pt 100 measuring the temperature of the flowing fluid, the
measured fluid volume data can be converted to mass (fluid weight) data. The meter in extended configuration
also allows for fluid flow measurement in both directions of flow with the flow direction indication.
ELIS PLZEŇ a. s., Luční 15, P. O. BOX 126, 304 26 Plzeň, Czech Republic, tel.: +420/377 517 711, fax: +420/377 517 722
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Design, Assembly and Service Manual
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Ultrasonic flow meter SONOELIS SE8065
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The necessary components of the flow meter SONOELIS SE8065 system with ultrasonic probes installed directly
in the existing piping are:
1 pc.
4 pcs
4 pcs
4 pcs
4 pcs
1 pc.
1 pc.
Electronic control unit UP 3.10 (Fig. 2)
Ultrasonic probe US 2.0 including coaxial cable (the cable length to be specified by the customer; Fig. 3)
Welded-on piece (Fig. 4)
Welding flange (Fig. 5)
Probe sealing
Application, installation and service manual
Calibration code Es 90 401 D
ELIS PLZEŇ a. s., Luční 15, P. O. BOX 126, 304 26 Plzeň, Czech Republic, tel.: +420/377 517 711, fax: +420/377 517 722
Es 90 215 K/b
Design, Assembly and Service Manual
ELIS PLZEŇ a. s.
Ultrasonic flow meter SONOELIS SE8065
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In the case of a meter installation by the customer, the delivery kit may include various optional measuring and
assembly fixtures, such as:
- 1 pc.
Communication cable (see section 7.1)
- 1 pc.
Protractor (Fig. 6)
- 1 pc.
Protractor holder (Fig. 7)
- 1 pc.
Strap piece (Fig. 8)
- Parts completing the rectification pin assembly including:
1 pc. Protractor adaptor (Fig. 9)
1 pc. Milling adaptor I including milling tool and nut (Fig. 10)
1 pc. Milling adaptor II (Fig. 11)
- Connecting parts (Fig. 12) as identified in the table below:
Piping size
Connecting part, L = 250
Connecting part, L = 450
Connecting part, L = 850
DN 200
1
-
-
DN 250
1
-
-
DN 300
1
-
-
DN 350
-
1
-
DN 400
-
1
-
DN 500
-
1
-
DN 600
-
-
1
DN 700
-
-
1
DN 800
-
-
1
DN 900
-
-
1
DN 1,000
-
-
1
DN 1,200
-
1
1
ELIS PLZEŇ a. s., Luční 15, P. O. BOX 126, 304 26 Plzeň, Czech Republic, tel.: +420/377 517 711, fax: +420/377 517 722
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Design, Assembly and Service Manual
ELIS PLZEŇ a. s.
Ultrasonic flow meter SONOELIS SE8065
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ELIS PLZEŇ a. s., Luční 15, P. O. BOX 126, 304 26 Plzeň, Czech Republic, tel.: +420/377 517 711, fax: +420/377 517 722
Es 90 215 K/b
Design, Assembly and Service Manual
ELIS PLZEŇ a. s.
Ultrasonic flow meter SONOELIS SE8065
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3.3. Meter design
3.3.1. Flow meter sensor
The flow meter sensor assembly consists of meter piping and two pairs of ultrasonic probes installed in it.
3.3.2. Electronic unit UP 3.10
The electronic accessory of the flow meter is installed in a plastic box designed to be hung on a vertical
support plate. On the front part of the box there are: flow meter type designation, series number and trade name,
the logo and trade name of the manufacturer, two-line rear-lighted display unit and membrane keyboard including
four push-buttons. At the bottom part of the plastic box covered with a removable lid are a terminal strip, grounding
bolt and leadthroughs PG9 and PG7 for cables of circular cross-section. Leadthrough PG 9 can accommodate a
cable of diameter 6 to 8 mm, PG 7 a cable of diameter 4 to 6 mm. Both the front panel and the bottom lid can be
sealed in closed position. Instead of one leadthrough PG 7 it is possible to install a four-pole connector for the RS
485 communication line.
Dimensional sketch of the electronic accessory box
4. TECHNICAL PARAMETERS
4.1. Flow rate determination
The basic parameter to be determined prior to installation of a flow meter is the range of flow rate values
expected in the given piping.
The flow rate is defined by the following formula:
v=
4⋅q
3600 ⋅ π ⋅ D12
[m / s, m
3
/ hod , m
]
where Di - inner diameter of the meter piping
q - measured flow rate.
The flow rate of the measured medium in the meter piping should stay within the range of 0.1 to 10 m/sec.
Where the given situation allows for such selection, it is recommended that the nominal flow rate qp should be
reached at the flow velocity 4 to 5 m/sec.
ELIS PLZEŇ a. s., Luční 15, P. O. BOX 126, 304 26 Plzeň, Czech Republic, tel.: +420/377 517 711, fax: +420/377 517 722
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Design, Assembly and Service Manual
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Ultrasonic flow meter SONOELIS SE8065
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4.2. Technical specifications
Inner diameter of piping DN
200 to 1,200
Measuring ray angle α
for DN between 200 and 800 – 45o
for DN bigger than 800 and 1,200 – 60o
Measurement accuracy
±1 ÷ 2% of the measured flow rate within the range
of 5 to 100 % qs
(qs – maximum flow rate at the fluid flow velocity of 10 m/sec)
Nominal pressure of the measured liquid PN
max. 40 bar
Temperature of the measured liquid
0 to +150 oC
Ambient temperature
+5 to +55 oC
Ambient humidity
maximum relative humidity 80 %
Storage temperature
-10 to +70oC at relative humidity not exceeding 70 %
Protection class
- electronic unit UP 3.10
IP 65
- probe US 2.0
IP 54
Ultrasonic probes
4 pcs US 2.0 (manufacturer ELIS PLZEŇ a.s.)
Probe installation
Directly in the piping (see the installation manual)
Connecting cable to probe US 2.0
Standard length 8 m
Maximum length 25 m (or more, on prior agreement with the
manufacturer/supplier)
Differences in cable lengths
Not exceeding 0.1 m
Electronic unit UP 3.10
- housing dimensions
- weight
- power supply
- back-up power supply
- power requirement
- line fuse
- protection against electric shock according to
standard ČSN 332000-4-41
Measured flow velocity range
230 x 217 x 85 mm
1,5 kg
90 ÷ 260 V, 50/60 Hz
Li battery 3 V (lifetime 5 years)
6 VA
T 250 mA, 250 V
automated disconnection from the power supply in the TN-S
network
Minimum velocity 0.1 m/sec
Maximum velocity 10 m/sec
Data visualisation
2 x 16-character LC display
Outputs
Opto-electronically isolated outputs
Impulse output 0.1 to 10,000 l/imp., impulse length 50 ms
Frequency output 0 to 1,000 Hz (corresponding to flow rates 0
to qs)
Switching output 24 V AC/0.1 A
Communication line RS 485
Optional accessories
Isolated current output 0 to 20 mA or 4 to 20 mA
(corresponding to flow rates 0 to qs)
Mass flow rate measurement accessory
Equipment for bi-directional measurement including indication
of the fluid flow direction
Expanded liquid temperature to +180 oC
Transducer's protection IP 68
ELIS PLZEŇ a. s., Luční 15, P. O. BOX 126, 304 26 Plzeň, Czech Republic, tel.: +420/377 517 711, fax: +420/377 517 722
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Design, Assembly and Service Manual
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Ultrasonic flow meter SONOELIS SE8065
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4.3. Communication with external devices
On customer’s requirement the ultrasonic flow meter can be equipped with an isolated serial communication
line RS 485 of the following parameters:
Data transfer speed 4,800 Bd (or, on customer’s request, 1,200, 2,400 or 9,600 Bd); data bit number 8; one
stop bit; parity selectable in each data communication direction. The communication data format includes, among
other information, all measured or calculated flow values such as instantaneous volume or mass flow rate,
aggregate volume or mass of the medium passed through the flow meter or information on the resetting command
for the aggregate flow data.
The communication data format is not included in this manual, but it is available to the customer on request.
5. GENERAL RULES FOR FLOW METER APPLICATION
The selection of the piping section where ultrasonic probes are to be installed (or, in other words, where the
meter piping is to be created) is of utmost importance for the correct functioning and measurement accuracy of the
flow meter.
Recommended lengths of stabilisation piping before and after the meter piping
Type of hydraulic
disturbance at the input
side of flow meter
One 90° bend
Two 90° bends in the
same plane
Two 90° bends in two
perpendicular planes
Valve or pump
Required length of stabilisation piping
at the meter input
at the meter output
10 DN
3 DN
15 DN
3 DN
25 DN
3 DN
30 DN
3 DN
It is recommended to install flow meters before any valves and/or pumps included in the piping system concerned.
6. FLOW METER INSTALLATION
6.1. Meter assembly and installation
Strict observance of the rules and procedures for the flow meter assembly and installation as given in this
manual is necessary in order to assure the best performance of the meter.
To prevent undesirable electromagnetic interference, the minimum distance between the power and signal
cables shall be 25 cm. Any connections of signal wires and cables shall be soldered and the soldered joints shall
be placed in suitable installation boxes to ensure protection against mechanical and environmental stresses. All
cables shall be laid outside the thermal insulation layers on the piping (if any). The connections to thermometer Pt
100, current outputs and the communication system RS 485 shall be done by shielded conductors where the
shielding layer shall be connected to the earthing potential on one end of the cable only (at the terminal block X1
of the associated electronic system). Shielded conductors are also recommended for the frequency and impulse
output signals where the one-sided earthing shall be done on the side of the superordinated control system.
In the cases where flow measurements are to be performed in operational environments including high-level
electromagnetic fields (industrial plants using frequency converters, switching stations, power generation plants
etc.), it is recommended to connect the earthing potential bolt of the flow meter electronic system (located at the
bottom of the box) with the ultrasonic probes by earthing conductor of a minimum cross-section 4 mm2.
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Ultrasonic flow meter SONOELIS SE8065
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6.1.1. Recommended assembly fixtures and tooling
Apart from special measuring and installation fixtures listed in Section 3.2. above, the following standard
materials and tooling are required for the flow meter installation:
Abrasive fabric, no. 60
Water level, minimum length 400 mm
Flexible steel rule, length 1,000 mm
Steel rule, length 3 m
Steel measuring band (flat), minimum length 10 m
Slide calliper
Marking awl
Hammer
Centre punch
Steel square 40 x 40 mm, length 0.6 Do
Paper sheet, dimensions 1.1 Do x 1.8 Do
Drawing kit (set square, drawing pen etc.)
Chalk, white
Spirit marker, black, diameter 1 mm
Fixing rubber ropes
Cover for thread G 1“ on welded-on piece
Half-round file
Steel pin, diameter 7 mm, length 200 mm
“Side” spanner 19 mm, 2 pieces
Calculator with trigonometric and other mathematical functions
Electric welding machine 250 A and accessories
Oxy-acetylene cutting machine including burners
Manual angle grinder and grinding wheel, diameter 125 mm
Electric manual drilling machine, chuck – diameter 12 mm
6.1.2. Flow meter installation criteria
6.1.2.1. Selection of measuring spot
When selecting the part of the piping where the flow meter sensor is to be installed (see also Section 5), make
sure that the surface quality of the piping, in particular any irregularities of shape, deformation, the position and
surface finish of welds, whether longitudinal, helical or other, is such that it allows for sufficiently accurate
determination of the angle formed by the measuring ray and the longitudinal axis of the piping.
ELIS PLZEŇ a. s., Luční 15, P. O. BOX 126, 304 26 Plzeň, Czech Republic, tel.: +420/377 517 711, fax: +420/377 517 722
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Ultrasonic flow meter SONOELIS SE8065
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6.1.2.2. Necessary room for flow sensor installation
The flow sensor installation in any existing piping (using the fixtures and tooling specified in this manual)
requires free room of at least 900 mm to the sides of the welded-on pieces and in the direction of the measuring
ray (see Fig. 13).
Fig. 13
Required free room around the welded-on pieces
The axes of the ultrasonic rays shall be arranged as shown in Fig. 14.
Fig. 14
Arrangement of the ultrasonic rays in the meter piping
The preparatory steps for the ultrasonic sensor installation, determination of the mechanical parameters of the
sensor and other installation processes have been designed for application at the customer’s plant and
operational conditions.
ELIS PLZEŇ a. s., Luční 15, P. O. BOX 126, 304 26 Plzeň, Czech Republic, tel.: +420/377 517 711, fax: +420/377 517 722
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Design, Assembly and Service Manual
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Ultrasonic flow meter SONOELIS SE8065
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6.1.3. Preparatory and measuring operations on meter piping
The surface of the meter piping shall be clean and smooth; any adhering dirt, rough irregularities of shape,
corrosion products and traces of paint shall be removed.
6.1.3.1. Determination of outer diameter of meter piping
Each of the two optional methods described below can be used:
Diameter calculation from piping circumference
This method is suitable for piping of larger diameters. Measure the piping circumference using a flat steel tape.
The outer diameter of the meter piping can then be calculated as follows: Do =
O
π
where O – piping circumference, being the average value of two circumference measurements taken
at the locations where both pairs of the welded-on pieces are to be installed.
Direct diameter measurement using diameter gauge Take three diameter measurements, at 120°distance ,
at each of the two intended positions of both pairs of the welded-on pieces. The outer piping diameter shall
then be determined as the average value of all six measurements.
D1 + D 2 + D3
3
D + Do 2
Do = o1
2
Do1 =
Do 2 =
D 4 + D5 + D 6
3
where D1 to D6 are the measured values of the outer diameter of the meter piping.
6.1.3.2. Marking of surface top line
Water level is considered a tool of sufficient accuracy to define the surface top line on the meter piping (see
Fig. 15). The two points on the surface top line (a1, a2) are the points of contact between the piping and water level
after the latter has been set in the horizontal position. The distance between the points a1 and a2 is recommended
to be selected equal to the piping diameter ( b = D0). Use a steel rule to draw the top surface line pv.
Fig. 15
Marking of surface top line on meter piping
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Ultrasonic flow meter SONOELIS SE8065
6.1.3.3. Laying out of installation points
To measure and mark the key installation points on the piping select and use one of the following two methods:
Direct method – Measurements are taken and installation points marked directly on the piping.
Indirect method – The installation points are transferred onto the piping by means of a template prepared on
drawing paper.
The indirect method is less time-consuming and therefore preferred in most practical situations.
Direct method
Draw four parallel side surface lines (pb1, pb3 and pb4, pb2) at the distances of
π .Do
6
,( i.e. Do x 0.524) and
π .Do
3
(Do x 1.047), left and right of the top surface line (see Fig. 16).
Fig. 16
Laying out of key installation points
On the top surface line pv mark two points (X1 a X2) at the distance of c. The distance c is defined by the formula
c=
Do
, from which it follows:
tgα
for
α = 45o
for
o
α = 60
c = Do,
c = Do x 0.5774.
From points X1 and X2 on the top surface line lead perpendicular lines along the piping surface towards the
parallel lines pb1, pb3 and pb4, pb2. The points of intersection, M1, M3 and M4, M2, are the points where the
measuring rays intersect the surface of the meter piping. Points M1, M3 and M4, M2 serve the purpose of accurate
setting of the positions of the welding flanges. Define points M1, M3 and M4, M2 by crosses of lines of at least
100 mm each and mark the cross line ends by centre punch dots (see Fig. 16).
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Indirect method
To prepare a template of installation marks use a paper sheet of minimum dimensions 1.1.Do x 2.2.Do.
A.
Draw a centre line (pv) and mark on it the points X1 and X2 at the distance of
Do
(for α = 45° it is Do,
tgα
for α = 60° the distance of Do x 0.5774).
B.
At points X1 and X2 draw parallel lines perpendicular to the central line pv, one on each side, and mark on
them points M1, M3 and M4, M2 at the distance of
π .Do
6
(Do x 0.7854) and
π .Do
3
(Do x 1.047) from the
central line pv. Points M1, M3 and M4, M2 shall further be defined by crosses of lines of minimum length of 100
mm (see Fig. 17).
Fig. 17
Paper template
C.
Lay the paper on the piping so that the central line pv coincides with the top surface line marked on the meter
piping. Then, using a centre punch, transfer all key points including the ends of the cross lines onto the
piping.
D.
Using a drawing awl, mark the crosses defining the points M1 and M2 on the piping surface.
6.1.4. Installation of welded-on pieces into the piping
A.
Using oxy-acetylene machine and burner, cut circular holes in the meter piping of diameter 60 mm with the
centres at points M1 through to M4. Prevent the cut-out sections from falling inside the piping; they will be
needed to determine the inner diameter of the piping. In the cases of pipe with the wall thickness t in excess
of 5 mm (for α = 45°) and t greater then 15 mm (for α = 60°) it is necessary to modify the holes of diameter 60
mm so as the welded-on pieces can be inserted into the piping as shown in Fig. 18. Both the inner and outer
edges of the holes shall be smooth and clean.
B.
The edges of the cut-out sections shall be ground without damaging the surfaces. Then use a slide calliper to
determine the thickness of the pipe wall.
C.
Select one pair of assembly points, e.g. M1 and M2. Slide the welding flanges onto both welded-on pieces
and adjust their positions with respect to the setting marks. The insertion depth shall be such that the bottom
part of the welded-on piece is flush with the internal surface of the meter piping (see Fig. 18). Mark (on the
welded-on piece) the correct depth of insertion of the welded-on piece info the flange.
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Fig. 18 - Assembly of welded-on pieces
D.
Assemble the rectification pin of the following component parts: milling adaptor I, connecting parts selected to
fit the piping size and protractor adaptor. The parts shall be property tightened together (see Fig. 19).
Fig. 19 - Rectification pin assembly
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Insert the assembled rectification pin into the holes in the pipe in the direction indicated in Fig. 19.
E.
From both sides of the meter piping, slide the welding flanges and welded-on pieces on the rectification pin.
The flange marks shall be positioned against the cross marks drawn on the pipe. The welded-on pieces
shall be set to the desired position with respect to the assembly marks. Check the ease movement of the
rectification pin in the welded-on pieces.
F.
Check the correct position of one of the flanges with respect to the cross mark and fix its position by four
light welds; repeat the same with the other flange.
G.
Check the play of the rectification pin in the welded-on pieces (it shall be easily rotated and moved in the
axial direction). Apply fillet weld to fix the positions of the flanges on the piping.
H.
Set the correct positions of the welded-on pieces in the flanges using the assembly marks and fix the
positions by light welds at several spots.
I.
Check the play of the rectification pin in the welded-on pieces again. Using fillet welds, weld the welded-on
pieces to the flanges.
J.
Repeat the procedure from Section 6.1.4.C onwards for the remaining two pairs of assembly pints (M3 and
M4).
Comment:
When performing the welding operations with the welded-on pieces slid on the rectification pin, make sure that the
functional parts of the welded-on pieces cannot be damaged by the flying sparks. Protect the welded-on pieces by
suitable cover or nut. Should it be found that, at any time during the welding operations, the rectification pin has
lost its desired play (free rotation and displacement in the welded-on pieces), the reason for that must be
established and the defect removed by slight knocking on the welded-on pieces (with the thread protected).
It is recommended to check the play of the rectification pin after each welding operation.
6.1.5. Facing of the seating surfaces on the welded-on pieces
To ensure a perfect alignment of both pairs of the ultrasonic probes, the seating surfaces on the respective
welded-on pieces need be end-faced. This is the final assembly operation; insert a milling tool onto the milling
adaptor I end of the rectification pin and secure its position by a nut (see Fig. 20).
Fig. 20
Facing of the seating surfaces on the welded-on pieces
Grease slightly those parts of the rectification pin that will rotate in the welded-on pieces with vaseline. Using a
drilling machine with controlled speed rotate the rectification pin in the clockwise direction and face the seating
surface on the welded-on piece. Then remove the rectification pin, insert it into the welding pieces in the opposite
direction and face mill the other seating surface.
Should there be insufficient room on the other side, do not remove the rectification pin, but replace the
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protractor adaptor by the milling adaptor II with a milling tool attached, secure the threads against movement
(using the Locktite bonding agent or similar sealing material) and face the inaccessible seating surface by pulling
at the rectification pin and rotating it in the counter-clockwise direction (see Fig 21).
After the milling operation, remove the milling tool and nut and leave the rectification pin inserted in the weldedon pieces.
Fig. 21
Facing of the seating surface on an inaccessible welded-on piece
6.1.6. Determination of mechanical parameters of the meter sensor
To meet the specified measurement accuracy of the flow meter SONOELIS SE8065, the mechanical
parameters of the meter piping need be determined with the precision of 1 ‰.
Example: For piping DN 500, the measurement ray angle α = 45 and the distance between the outer end faces on
the welded-on pieces L = 850 mm, the mechanical parameters of the meter piping need by determined
with the following precision:
ΔL =
L
= 0,85mm
1000
ΔD1 =
D1
= 0,5mm
1000
Angle α needs be determined with the precision of 0.1° irrespective of the piping diameter.
6.1.6.1. Measuring ray angle
A.
Remove all corrosion products, traces of paint and other undesirable impurities from the piping surface where
the strap piece is to be laid. The procedure will be described for one pair of ultrasonic probes corresponding
to the surface line pb1.
B.
Place the strap piece onto the piping so that its longitudinal axis is parallel to the side surface line pb1 on the
piping. Use rubber ropes to hold the strap piece firmly to the piping surface (see Fig. 22).
C.
Attach a protractor onto the protractor adapter mounted at one of the ends of the rectification pin.
D.
The angle α measurements (altogether three measurements) shall be performed in the plane defined by the
longitudinal axis of the piping and the side surface line pb1. Between the measurements knock slightly on the
strap piece or move it to the side and back to ensure its correct seating.
E.
Repeat the same procedure for the other pair of ultrasonic probes and the surface line pb1.
F.
The value of angle α shall be determined as the arithmetic average of all measurements taken.
α=
α1 + α 2 + α 3 + α 4 + α 5 + α 6 + α 7 + α 8 + α 9 + α10 + α11 + α12
12
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where
α1 to α3 are angles formed by the rectification pin and the surface of the meter piping at the first welded-on
piece,
α4 to α6 are angles formed by the rectification pin and the surface of the meter piping at the second welded-on
piece,
α7 to α9 are angles formed by the rectification pin and the surface of the meter piping at the third welded-on
piece,
and
α10 to α12 are angles formed by the rectification pin and the surface of the meter piping at the fourth weldedon piece.
Fig. 22
Determination of the measuring ray angle
6.1.6.2. Distance between outer end faces of welded-on pieces
Depending on the given arrangement and room available (the inner diameter of the piping, free room in the
vicinity of the welded-on pieces etc.), the distance L between the outer end faces of the welded-on pieces can
be determined either by direct measurement using a suitable gauge or a steel rule inserted by means of an
auxiliary pin into the welded-on pieces, or indirectly, by making the respective marks on the rectification pin
and measuring the distance between the marks after removal of the pin from the welded-on pieces (see Fig.
23).
The auxiliary pin used to insert a steel rule into the meter piping should be of a smaller diameter than the
rectification pin. Such pin is not included in the delivery kit.
Measure the distances L1 and L2 between the outer end faces of both pairs of welded-on pieces and
determine the final value of L as the arithmetic average of L1 and L2:
L=
L1 + L 2
2
where L1 – distance between the outer end faces of the first pair of welded-on pieces,
and L2 -distance between the outer end faces of the other pair of welded-on
pieces.
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L1
(L
2)
WELDED- ON PIECE
Fig. 23
Determination of distance L
6.1.6.3. Inner diameter of meter piping
The meter piping is an integral part of the piping system where the flow measurements are to be performed.
The inner diameter Di shall be determined by calculation as follows:
Di = Do - 2 t
where t – pipe wall thickness.
The outer diameter of the meter piping D0 was determined using the procedure outlined in Section 6.1.3.1. above.
The pipe wall thickness t is determined by measurements on the cut-out sections acquired when holes were cut in
the piping wall for the installation of the welded-on pieces. Each cut-out section shall be measured three times at
spots 120° apart. The value of t shall be determined d as the average value of the twelve measurements taken.
Regarding treatment of the cut-out sections prior to measurement see Section 6.1.4 - B.
6.1.7. Flow meter sensor assembly
The preceding assembly and measurement operations have yielded the following basic sensor parameters
necessary to perform the so-called theoretical meter calibration:
- measuring ray angle
- distance between the outer end faces of the welded-on pieces L
- inner piping diameter Di.
Upon finishing the measurement operations, the sensor assembly can be finished. Insert the ultrasonic probes
including sealing into the welded-on pieces and tighten the nuts using the torque of 150 Nm.
Connect the coaxial cables from the probes to the terminal block X1 at the bottom part of the electronic control
unit (see Fig. 24).
6.1.8. External power connection
As shown in Fig. 24, the terminal block and other connectors for connecting external power and electric signals
to the electronic control unit UP 3.10 are accessible upon removal of the bottom lid held in position by two M4
bolts.
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Fig. 24
External power connection to the ultrasonic flow meter SE8065
Make sure that the ultrasonic probes 1 through to 4 are connected to terminal block X1 as shown in Fig. 24.
The probe marking is shown in Fig. 25.
Fig. 25
Ultrasonic probe marking
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Apart from the ultrasonic probe terminals, the terminal block X1 includes terminals for the supply voltage, meter
outputs (the impulse, frequency, current and switching outputs), and the communication interface RS485.
The connector X4 (CANON 9) is used for connecting the communication interface RS232 necessary for
theoretical calibration, parameter setting at the manufacturing plant and meter servicing. In the case of a meter
configuration facilitating mass flow rate measurement, the terminal block X6 shall accommodate the temperature
sensor Pt 100.
By connecting the W4 and W6 pins, the impulse output is activated; by connecting the W5 and W6 pins, the
frequency voltage output is activated. If the impulse and/or frequency outputs are used as passive ones (with the
W4, W5 and/or W6 pins disconnected), the current passing through the opto-coupler shall not exceed 20 mA.
Pushbutton S1 can be used to reset to zero the measured value of the total volume of the fluid passed through the
flow sensor; the resetting command can also be sent via the RS 485 communication line. For indication of the flow
direction connect to terminals 1 and 2 on the terminal strip X1 a relay coil connected in series with an external
power source of 24 VAC/100 mA.
Locations and functions of switches S2 and S3
To obtain access to switch S3, push upwards the lock pin on the right-hand side of the box including the
electronic control unit UP 3.10 and open the front panel to the left. Switch S3 is located in an opening in the
top panel on the right side.
Flow meter function
Displayed information
Measurement
Instantaneous flow rate
Measurement
Instantaneous flow velocity
Programming
EEPROM programming
Servicing
Servicing
Switch status
The function „Servicing“ shall be used by the manufacturer and authorised service personnel only.
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6.1.9. Marking
System plate (located at the electronic unit UP 3.10):
Manufacturer, Product type designation, Production series number and production year, List of all system
components including the quantity, type designation and production series number for each component
Electronic unit plate (located at the electronic unit UP 3.10):
Manufacturer, Product type designation, Production series number and production year, Protection class, Nominal
flow rate, Limit flow rates
Calibrated values of output signals: Frequency output, Impulse output, Current output, Communication address
Flow meter sensor plate (located at the meter piping):
Assembly/installation organisation, Production series number and production year, Ultrasonic probe type
designation, Inner diameter of piping, Angle α, Distance between the outer end faces of welded-on pieces,
Temperature range of measured fluid, Maximum operational pressure, Nominal flow rate, Flow direction
7. SETTING FLOW METER IN OPERATION
7.1. Theoretical calibration
The relationship between flow rate and flow velocity of the given medium is q = f (v).
This rather complex function must take into account the inner diameter of the piping, roughness of the inner
surface, viscosity of the measured fluid and the delay of the excitation signal for the ultrasonic probes in passing
through the coaxial cable connecting the probes with the electronic control unit of the flow meter.
In practical situations, the so-called theoretical calibration is performed using the program “Flow.exe“ where the
function q = f (v) is generated for all flow rate values.
Description of the theoretical calibration
To use the calibration software WinFlow version 1.1 No. Es 90516D is necessary to use a personal computer
or notebook with the following equipment: operating system Windows XT or higher (Windows Vista, Windows
7) and a serial communication port COM.
Connector X4 of evaluating electronics UP 3.10 connect to the COM port of the above mentioned computer
through the communication cable supplied by the manufacturer and UP 3.10 connect on the power.
The communication cable:
The switch status configuration (switches S2 and S3 in the electronic unit UP 3.10) shall be set at the
“Programming“ function – see Section 6.1.8.
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Start the program WinFlow.
Fig. 26
The picture on the monitor after the program start
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The parameter setting of the flow meter in the delivered condition will cover all standard piping sizes. If you click
with the mouse at “Read EEPROM“, the table with the preset parameters will be displayed – see Fig. 27.
Fig. 27
Reading EEPROM
By click on "Send to a table" are data stored. The table with data of the calibrated flow meter according to the
fig. 26 are shown.
By the selecting "Calibration" and "Direct assembly..." from the menu or by pressing the key in combination
Ctrl + P the table for the theoretical calibration (see the figure 28) are displayed.
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Fig. 28
Table for theoretical calibration
The actual data determined/measured on the flow meter sensor should be entered into the table.
Comments to the data in the table:
- Surface roughness:
usually assumed to be 0.2 mm
- Inner diameter:
the value of Di – see Section 6.1.6.3.
- Maximal flow rate:
the value - see table in chap.14
- Angle of probes:
- Mean velocity:
- Water temperature:
- Distance of welded-on pieces:
- Probe length:
- Cable length:
the value of α – see Section 6.1.6.1.
for water 1,480 m/sec
the average temperature of measured water
the value of L – see Section 6.1.6.2.
139 mm
the length of the cables connecting the ultrasonic probes with
the electronic control unit
Press OK to provide the calculation and date transfering to the calibration table acc.to fig.26. After that provide
the writing to the EEPROM by clicking on the "Write EEPROM". To check the data, click on "Read EEPROM".
This completes the flow meter calibration procedure.
Note:
- Program Winflow is described in more details in the manual Es 90559K.
7.2. Operational start and control of the meter functions
After finishing the theoretical calibration, the operator shall change the status of switches S2 and S3 in the
electronic unit UP 3.10 into that of Operation/Instantaneous Flow Rate Measurement (see Section 6.1.8).
Very soon (within ten seconds) the meter will adopt the measuring (and data display) mode and the frequency,
impulse and isolated current outputs will be operative. The frequency and impulse outputs can be used either in
the passive mode (with power supplied from an external source) or in the active mode where each of the output
circuits is powered from an internal isolated source. The selection of the output mode of operation is done by
connecting or disconnecting the respective W pins (see section 6.1.8. above).
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7.2.1. Display data
The data on the display include selected measured quantities and information on the flow meter operational
status.
7.2.1.1. Meter status information
The first three seconds after connecting the meter to the power source the display reads
Flow meter
ELIS
In the normal operation, the symbol appearing at the last digit position on the second line informs about the current
mode of operation of the signal processing electronic unit. The characters used and their meanings are as follows:
I
+
C
W
T
electronic unit initialisation
measurements in the positive flow direction
measurements in the negative flow direction
calculation of measured values, output signal generation and display
stand-by mode
data communication (data being sent).
Under normal operating conditions the above characters regularly replace one another. In the case of
an error due to a sensor failure, loss of a sensor signal due to a cable failure, presence of an air bubble or
a mechanical particle in the fluid flow, an “R” will appear at the last position on the first line and the “I” and “+” signs
will appear in turns at the last position on the second line of the display unit. A failure of the electronic unit will
usually be manifested by discontinued regular changes of the system status symbols on the display.
7.2.1.2. Display of measured data
Up to three measured quantities can be displayed simultaneously; one on the first line, and the other two in
turns on the second line of the display unit. The switching frequency can be selected in terms of the number of
measuring cycles per display time of one measured quantity.
Most often the first display line is used to show the volume flow rate (in m3/hod) or the mass flow rate (in metric
tons per hour), and the second display line to display the total volume (in m3) or the total mass (in metric tons)
alternatively with the fluid temperature in °C. How ever, the customer is free to define other combinations of the
data to be displayed and/or to select other optional data units from the software menu available.
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7.2.2. Review of the measured quantities
Volume flow rate
Relative volume flow rate (in % of qs)
Mass flow rate [T]
Relative mass flow rate (in % of qs) [T]
Volume (aggregate value)
Volume + (volume of the fluid passed in the positive direction) [O]
Volume - (volume of the fluid passed in the negative direction) [O]
Mass (aggregate mass) [T]
Mass + (mass of the fluid passed in the positive direction) [T], [O]
Mass - (mass of the fluid passed in the negative direction) [T], [O]
Temperature [T]
Density [T]
Sound propagation velocity
Fluid flow velocity through the sensor flange
Start of the measurement period (date and time of the last resetting command)
Duration of the measurement period
Duration of a meter error condition
Duration of a power failure period
Date
Time
Comment:
Quantities denoted [T] will only be measured and displayed if the meter configuration includes
a thermometer; quantities denoted [O] require that the flow meter has been set for measurements in both fluidflow directions.
7.2.3. Review of the measured quantity units
Volume flow rate
m3/hour
m3/min
m3/s
l/hour
l/min
l/s
bbl/hour
bbl/min
bbl/s
ft3/hour
ft3/min
ft3/s
gal/hour
gal/min
gal/s
Mass flow rate
Volume
1,000 m3
m3
l
1,000 bbl
bbl
1,000 ft3
ft3
1,000 gal
gal
t/hour
t/min
t/s
kg/hour
kg/min
kg/s
tons/hour
tons/min
tons/s
lb/hour
lb/min
lb/s
Temperature
Density
Velocity
°C
°F
t/m3
kg/m3
g/cm3
tons/m3
lb/ft3
m/s
ft/s
Mass
1,000 t
t
kg
1,000 tons
ton
lb
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Names of selected units
bbl
ft
gal
ton
lb
m3
l
American barrel
Foot
American gallon
American ton
Pound
Cubic meter
Litre
s
min
hour
°C
°F
t
kg
Second
Minute
Hour
Degree Celsius
Degree Fahrenheit
Metric ton
Kilogram
7.2.4. Unit conversion table
Volume flow rate
1 m3/hour =
Mass flow rate
1 t/hour =
Volume
1 m3 =
Mass
1t=
Density
1 t/m3 =
Temperature
Velocity
tF =
1 m/s =
0.01666667 m3/min
0.0002777778 m3/s
1,000 l/hour
16.66667 l/min
0.2777778 l/s
6.289387 bbl/hour
0.1048231 bbl/min
0.001747052 bbl/s
35.31467 ft3/hour
0.5885778 ft3/min
0.009809630 ft3/s
264.1708 gal/hour
4.402846 gal/min
0.07338077 gal/s
1.102311 tons/hour
0.01837185 tons/min
0.0003061975 tons/s
2,204.623 lb/hour
36.74371 lb/min
0.6123952 lb/s
6.289387 bbl
35.31467 ft3
264.1708 gal
1.102311 tons
2,204.623 lb
1.102311 tons/m3
62.42797 lb/ft3
32 + 1.8 tC
3.280840 ft/s
7.3. Keyboard control functions
The four-button keyboard allows for a wide range of the meter functions to be controlled and modified with
respect to the requirements of particular operating conditions at the user’s plant. The push-buttons T1 to T4 are
provided with the following graphic symbols:
T1
T2
T3
T4
The push-button control of the meter is shown in a schematic diagram in Fig. 7.3.1 (page 45). The system can
be operated in two different modes where the switching-over action between the operation modes and individual
functional blocks within a selected mode can be initiated by depressing the push-button the image of which is
depicted at the given transition position. From the diagram it follows that a transition from one block to the next
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one (on the right-hand side) will be done by depressing the T2 button, while a transition to the previous block (next
on the left-hand side) by depressing the T3 button. The Zero Reset block can only be activated in the cases of
technological meters (the software switch in the “NF” position). In the case of commercial (invoicing) meters,
where the switch is in the “F” position, the Zero reset block is missing.
Upon energising, the meter will automatically adopt the display mode with the pre-selected (initial) quantity
displayed (see description below). The display mode will also become operative if no push-button has been
depressed over the period of 300 measurement cycles (5 minutes for a measurement cycle of 1 s).
Any push-button control actions will not disturb the measuring functions of the meter in any way. A detailed
description of individual “block” functions controlled by the push-button unit is given in the following paragraphs.
7.3.1. Data display mode
The flow meter in full configuration can measure and evaluate any of the 20 physical quantities listed in section
7.2.2 above. In the data display mode, any of the measured quantities can be displayed. The display format is as
follows:
Line 1 – name of the measured quantity in the selected language (Czech, English, German, Spanish, Italian or
French);
Line 2 – the measured value in the selected unit system.
Upon switching the power on, the system activates the data display mode whereby the measured value of the
pre-selected (“initial”) physical quantity is displayed. Each of the 20 physical quantities available can be selected
as the initial one.
If the operator depresses push-button T1, another measured quantity will be displayed (the next on the list in
section 7.2.2). Then, unless T1 is depressed again within 5 minutes, the initial quantity will be displayed again.
To leave the Data Display Mode for the Parameter Setting Mode, depress push-button T4 (see Fig. 7.3.2, page
45). Select the desired operating mode (function block) by push-button T1 and confirm the selection by depressing
T4 again.
7.3.1.1. Volume flow rate
The value of the measured volume flow rate is displayed as a 3- or 4-digit number (this is determined by the
manufacturer with respect to the meter application). Provided the flow meter has been set for measurements in
both directions of flow, the sign before the reading indicates the flow direction (“+” for the flow direction shown by
the arrow sign on the meter body, “-“ for the opposite direction).
7.3.1.2. Relative volume flow rate
The displayed reading shows the ratio (in per cent) of the measured volume flow rate to the specified
maximum volume flow rate.
7.3.1.3. Mass flow rate
The mass flow rate can be measured and the measured data displayed only on condition that the meter
configuration includes a thermometer and that the fluid density vs. temperature characteristic is known. For more
technical details of the readings see the comments to section 7.3.1.1 above. If a thermometer is not installed, the
mass flow rate function block is skipped when selected by push-button T1.
7.3.1.4. Relative mass flow rate
See the comments to section 7.3.1.2 above concerning the relative volume flow rate.
7.3.1.5. Volume
The aggregate fluid volume passed through the flow sensor during the measurement period, i.e. from the
moment the volume data were reset by the reset push-button on the meter, or since the measurement start
command from the superordinated control system was received via the RS 485 communication line, or since the
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data-resetting command was actuated using the T push-buttons as described in section 7.3.2.8 below. The
displayed value can have up to 7 digits; higher readings are shown in the form of products of real numbers and
appropriate powers of 10 (the “E” format). The reading sensitivity is 0.01 l, the maximum reading is 2.8.109 m3. In
the case of bi-directional measurement, the aggregate volume reading is the difference between the volume
passed in the positive and the negative direction of the fluid flow. The displayed value includes the polarity sign.
7.3.1.6. Volume +
Applicable only in the case of bi-directional measurement. The reading represents the aggregate fluid volume
passed in the positive flow direction (see the arrow on the meter body). The reading format and the range of the
measured values are as described in section 7.3.1.5 above.
7.3.1.7. Volume See section 7.3.1.6, for the reverse flow direction.
7.3.1.8. Mass
See section 7.3.1.5, for the aggregate mass of the fluid passed through the flow sensor. The reading sensitivity
is 0.01 kg.
7.3.1.9. Mass +
See section 7.3.1.6, for the aggregate mass flow in the positive direction.
7.3.1.10. Mass See section 7.3.1.7, for the aggregate mass flow in the reverse direction.
7.3.1.11. Temperature
The temperature reading is only available if a thermometer is included in the meter configuration. The reading
sensitivity is 0.1°C.
7.3.1.12. Density
The fluid density readings are available provided a thermometer has been installed.
7.3.1.13. Sound propagation velocity
Velocity of the acoustic signal propagating in the measured fluid.
7.3.1.14. Fluid flow velocity
Velocity of the fluid passing through the sensor flange.
7.3.1.15. Start of the measurement period
The calendar date, hour and minute when the measurement period commenced (the last resetting of the
aggregate flow data).
7.3.1.16. Duration of the measurement period
The length of the period (in hours, minutes and seconds) from the measurement start (see section 7.3.1.15)
during which the flow meter continuously performed the flow rate measurements.
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7.3.1.17. Duration of failure condition
The total duration of the period (s) (in hours, minutes and seconds) from the measurement start during which
the meter was energised but could not perform measurements due to a failure condition.
7.3.1.18. Power failure period
The total duration of the period (s) (in hours, minutes and seconds) from the measurement start during which
the meter was not energised.
7.3.1.19. Date
The display shows the actual calendar date.
7.3.1.20. Time
The display shows the actual time of the day.
7.3.2. Parameter setting mode
When selecting the parameter setting mode (see section 7.3.1), the operator will be requested to enter
a four-digit password.
7.3.2.1. Password
The first display line will read
PASSWORD
and the first digit position on the second line will display 0. Depress push-button T3 repeatedly to increase the
number by 1 at a time (after 9 will follow 0 again). Select the correct number at the first digit position and then
depress push-button T2 to move to the second digit position and repeat the number setting procedure with pushbutton T3. Progress to the third and fourth digit positions and enter the correct password – a combination of four
numbers (see the schematic diagram in Fig. 7.3.3, page 46).
Confirm the entry of the correct password by depressing push-button T4. Provided the password entered is
correct, the system will proceed to the language selection block. In the case of an incorrect password the system
will request a new password entry. After three consecutive entries of incorrect passwords the system will switch
over to the data display mode and will not permit further entry into the parameter setting mode. A new attempt at
the password entry is only possible after system de-energising and repeated switching on of the power supply.
Should the operator forget the password, it is possible to use the manufacturer’s password supplied with the
system (0200). This shall be done as follows: switch off the power, depress and hold push-button T4 and switch
the power on again.
The user password can be changed at any time in the parameter setting mode using the procedure described
in section 7.3.2.5 below.
7.3.2.2. Meter setting procedures
The meter parameters that can be defined or re-defined in the parameter setting mode include: the language of
the messages appearing on the display, units of the displayed quantities, the user password required for entry into
the parameter setting mode, the initial measured quantity, specified values of some measured quantities (qs,
impulse number – litres per imp., threshold/sensitivity level, and the maximum/limit values of fluid flow rate, volume
and temperature), as well as the date, day of the week, time of the day, start of the measurement period and
meter zero position (only with the technological meters).
The procedures to be used in setting particular parameters are described below. Upon initialisation of a
particular parameter setting mode, the name of the function block concerned will appear on the first line of the
display in block letters, e.g.
LANGUAGE
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At the same time, the current parameter name or value will appear on the second line. If you wish to pass on to
the next parameter, depress T2; by depressing push-button T3 you will return to the previous parameter. Any
parameter changes are done using push-button T1, confirmation of the new value by push-button T4. The display
will then read
PARAMETER SET
To leave the current parameter setting mode and proceed to another parameter block, depress push-button
T2. If you wish to return to the previous block, depress T3. To leave the parameter setting mode completely (and
enter the data display mode for the parameter just set), depress push-button T4.
7.3.2.3. Language selection
The operator can choose from any of the six languages available (see Fig. 7.3.4, page 46). The language
setting mode will be initiated as soon as the system acknowledges the correct user password. The first line on the
display will then read
LANGUAGE
or a message to the same effect in the actually defined language. On delivery, the language selected will be
Czech unless the customer has specified their required language in the product order. The second display line will
identify one of the languages available (e.g. Czech). Depress repeatedly push-button T1 to select the desired
language. Upon selecting the language, confirm the setting by depressing push-button T4. The message on the
display will inform the operator of completion of the parameter setting in the newly selected language.
7.3.2.4. Measuring unit selection
In this parameter setting mode, the desired measuring unit can be associated with each measured physical
quantity (see Fig. 7.3.5, page 47). Upon initiating this mode, the first line of the display will read
UNITS
while the name a physical quantity will appear on the second line. Depress repeatedly push-button T1 to select the
desired quantity and confirm by depressing T4. The quantity name will then appear on the first line and the second
line will display one of the measuring units available. Select the desired unit by T1 and confirm by T4. Depress
push-button T3 to access another measured quantity or use T2 to proceed to another parameter to be set.
7.3.2.5. New password definition
NEW PASSWORD
In this mode, the operator/user may modify the existing password used to access the parameter setting mode
(see Fig. 7.3.6, page 47). Depress push-button T4. The first digit position on the second line will display 0. Set the
new password (a combination of four numbers) using the procedure described in section 7.3.2.1 above. Upon final
confirmation by depressing push-button T4, the legend Parameter Set will appear on the display. From then on,
only the new password will be effective.
7.3.2.6. Initial quantity selection
Upon accessing this parameter setting mode, the first line of the display will read
INITIAL QUANTITY
and the second line will give the quantity’s name (see Fig. 7.3.7, page 49). Select the desired initial quantity using
push-button T1 and confirm the selection by T4.
7.3.2.7. Definition of limit values
LIMIT VALUE
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Here the operator can set altogether 11 (limit) values of parameters. The detailed description of the procedures
concerned is shown in Fig. 7.3.8 on page 50. Select the desired parameter by push-button T1 and confirm the
selection by T4. The name of the parameter and the associated measuring unit will then appear on the first line of
the display and the second line will show the previously defined limit value (with the exception of the date and
time). The limit value unit shall always be the same as that selected
for data display. For example, if the volume flow rate is displayed in litres per second, the limit value of volume flow
rate shall also be defined in l/s. If the mass flow rate measurement mode is selected and the data are displayed in
metric tons, the impulse number shall also be defined in t.
Upon depressing push-button T2, the previously set limit value will disappear from the second line and 0 will be
displayed in the first digit position. Use push-buttons T3 and T2 to set the digital value and T1 to insert the division
signs (a comma in the position of a decimal point, dot in the date and colon in the case of time).
The day in the week information is to be set as follows:
0 – Sunday
1 – Monday
2 – Tuesday
3 – Wednesday
4 – Thursday
5 – Friday
6 – Saturday
A figure entered may have up to seven digits. The date and time data shall include initial zeroes; e.g. the date
of 3 July, 2001 shall be recorded as 03.07.01 and the time 7 minutes past 9 a.m. as 09:07:00. Confirm the
selection by depressing push-button T4. In the case of a commercial (invoicing) meter, neither qs, impulse number
or sensitivity (low flow cutoff) can be reset by the user as these settings are reserved to the duly authorised testing
authority. Therefore, for commercial meters, these parameters will not appear on the list of limit values to be reset.
List of parameters (limit values, date and time)
Qmax
Maximum (overload) flow rate qs in the given measuring units
ICIS
Impulse number, defining fluid volume or mass (in selected units) per one impulse at the
impulse output
Date
The actual calendar date
Day of the week
The actual day of the week
Time of the day
The actual time of the day
Low flow cutoff
The flow rate level, in per cent of qs, below which the meter will display and at its outputs
indicate zero flow rate
Vol. flow limit
Maximum volume flow rate level; where a binary output is associated with this parameter, it
will indicate values exceeding this limit
Mass flow limit
Maximum mass flow rate; where a binary output is associated with this parameter, it will
indicate values exceeding this limit
Volume limit
Maximum aggregate volume; where a binary output is associated with this parameter, it will
indicate values exceeding this limit
Mass limit
Maximum aggregate mass; where a binary output is associated with this
parameter, it
will indicate values exceeding this limit
Temp. limit
Maximum temperature; where a binary output is associated with this parameter, it will
indicate values exceeding this limit value.
Comment: The limit values for all the above parameters shall be given in units selected using the procedure
described in section 7.3.2.4 above. Should new parameter units be selected, the limit values need be re-defined
accordingly; otherwise the meter function would be incorrect.
7.3.2.8. Resetting aggregate quantities
Upon entering this mode, the corresponding message will appear on the display (see Fig. 7.3.9, page 50).
If resetting of aggregate quantities is not required, depress push-button T2 to access the next parameter-setting
block. Confirm your intention to reset the aggregate quantities by depressing T4. The display will then ask
RESET?
At this stage, you can still return to the initial step of the resetting mode by depressing T3. Depress T4 to reset
the aggregate readings of the flow volume and flow mass, the operational information (the meter operation time,
the error time and power loss time) and define the start of a new measurement period (the date, hour and minute
of the same). The system will respond with a confirming message (Parameter Set).
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7.3.2.9 Meter zero setting
Before leaving the manufacturing plant, every flow meter is carefully set for correct operation. One of the key
parameters in this respect is the meter zero. A correctly set meter zero implies that at zero flow rate (or zero fluid
flow velocity through the meter sensor) the meter indicates a zero flow rate (zero fluid flow velocity). The setting
value (a meter zero shift) is expressed in mm per second. The meter zero shift as identified in the manufacturing
plant is stored in the meter memory under the name of initial (in-production) zero setting value.
Meter component ageing and other factors acting over long-term operational periods may result in minor meter
zero displacements. To eliminate these, use the automated zero resetting function. However, great care should be
taken in employing this function. First of all, the zero flow rate condition shall be ensured (make sure that the
closing valve in the piping is not leaking). Only then the zero resetting function may be used.
A detailed description of the zero resetting block is shown in Fig. 7.3.10 on page 50. Upon initiating this
function, the operator shall select either the in-production or automated meter zero setting mode. The selection is
done by push-button T1, confirmation by T4. When the in-production setting mode is selected, the meter zero is
reset using the zero shift value determined in the manufacturing plant.
In the automated zero setting mode, the meter will first ask whether the fluid flow rate through the meter sensor
is really zero (the main requirement for a successful zero setting). If it is not so, cancel the setting process using
push-button T3. Upon confirmation by push-button T4 the display will show the message “WAIT FOR 100”. The
zero setting procedure lasts 100 measuring cycles. The actual number of measuring cycles performed is shown
on the second display line.
After 100 measuring cycles the zero displacement is evaluated. If it is smaller than 50 mm/s, the shift value is
stored and the display with read “PARAMETER SET”. If the value is greater than 50 mm/s, a notice to this effect is
displayed. However, this is highly unlikely; in such as case it is recommended to check again whether the fluid flow
has indeed been completely stopped. Use push-button T3 to invalidate the setting and push-button T4 to run the
setting procedure anew.
The meter zero setting function is available only with technological flow meters.
7.3.2.10. End of parameter setting
At the end of the parameter setting procedure, the display will read
PAR. SETTING END
Depress push-button T4 to access the data display mode. However, should you wish to perform any additional
parameter setting action, depress T3 to return to the previous parameter setting function block (see Fig. 7.3.11,
page 51).
7.4. Automated meter test
The test shall only be used in extraordinary situations where the meter function is incorrect although all
operational conditions are within specified limits. Its purpose is to handle extraordinary situations where the meter
function is incorrect although all operational conditions are within specified limits.
Prior to initialising the test, check the correct interconnection between the evaluation electronic unit and the
meter sensor, the power supply line, the full sensor flooding and zero flow rate. Then switch off the power, depress
push-button S1 (resetting the aggregate volume) and, with S1 depressed, switch on the power again. Upon
releasing S1, the display will read
TEST
SENSOR FULL?
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Depress and release S1 again, whereby, provided the sensor is fully flooded, the following message will appear
on the display:
LIQUID
DOES NOT FLOW?
Check the zero flow rate condition and depress and release S1. The test will continue by checking whether the
passage route for the ultrasonic ray in one direction is free. The display will read
TEST
UTS THROUGH.1
If this test is successful, the message “OK” will appear on the display for four seconds, whereby a test of the ray
passage route in the other direction will commence.
TEST
UTS THROUGH.2
After successfully passing this test section, the display will show the amplification values associated with the
ultrasonic ray passage in both directions; e.g..
UTS THROUGHPUT
D1 = 4,56 D2 = 4,55
Under normal circumstances, the amplification values should be between 4.50 and 4.60, and their difference
should not exceed 0.10.
After four seconds, the measurement of the ultrasonic wave propagation velocity will commence. The message on
the first display line will read:
UTS RATE
After the velocity measurement, which takes approximately 1 s, the measured value will appear on the second
line, e.g.
1510.6 m/s
If the measured value lies within the limits specified for the given fluid, the following message will appear on the
display
RATE LIMITS OK
END OF TEST
and, after another 4 seconds, the meter will resume the normal measurement mode.
Should a fault be indicated at the ray passage test stage, the display will show ER instead of OK. After
4 seconds, automated probe cleaning procedure will start and last for 5 minutes. The display will then read
CLEAN.UTSP 5 MIN
11111111 …………...
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On the second line is displayed step by step, the actual number of the minute of the cleaning procedure is
displayed. Every fourth seconds one numeral is added, the line will be filled up by 15 same numbers within 1
minute, after elapsing this time the displayed numbers disappear and next new numbers start to display for a time
1 minute. After the probe cleaning, another ray passage test is performed. Should even then the test result be
negative, the following message will appear on the display:
DEFECT
END OF TEST
The meter needs be put out of service and either sent for repair to the manufacturing plant or a service technician
be asked to come and repair the meter on site.
Should a fault be indicated at the ultrasonic wave propagation velocity measurement and the measured velocity lie
outside the range of physically defined limits (VUTS < 900 m/s, VUTS > 1700 m/s), the probe cleaning procedure
will be initiated (unless it has already been performed) and the velocity measurement will be repeated. Should
even then the test result be unsatisfactory, the display will read:
DEFECT
END OF TEST
and the test sequence will be terminated.
Should the measured velocity lie outside preset limits but within the range of physically possible values, the
following message will appear on the display
UTS RATE LIMITS
ADJUSTMENT
and the actual limits will automatically be re-adjusted with respect to the measured value. The display will in that
case read
RATE LIMITS OK
END OF TEST
and, after another 4 seconds, the meter will resume the normal measurement mode.
Should the meter function still be unsatisfactory, it is possible to repeat the tests. In the case of repeated failure to
set the meter right, contact the meter manufacturer.
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8. SERVICE ACTIVITIES
8.1. Warranty services
The product warranty services are understood to include any repair work executed free of charge either on
site or at the manufacturer’s premises during the product warranty period. Warranty repairs shall concern
product defects due to the use of non-standard materials, parts or design errors. Should such defects prove
irreparable, the product shall be replaced at no costs to the customer.
Any warranty repairs shall be performed either by the manufacturer (ELIS PLZEŇ a.s.) or other duly
authorised distribution agents or service centres.
The manufacturer’s warranty shall not cover
- products where the installation and/or metrological seals have been removed
- product defects due to incorrect installation
- product defects due to non-standard product use
- product pilferage
- product defects due to circumstances classified as force majeure.
Any requirement for warranty repair shall be submitted in writing (using fax, electronic mail or registered
letter) to the official address of the manufacturer. Should the manufacturer establish that the subject product
repair does not fall within the warranty conditions, this fact will be made known to the customer in writing and
the respective repair costs will be invoiced to the customer. In the case of a commercial meter, the parameters
of a repaired product shall be verified at a duly authorised metrological centre.
8.2. Post-warranty services
The post-warranty services are understood to include any repair work necessitated by the product defects
or deficiencies identified after the warranty period. All such repair work, whether executed at the
manufacturer’s plant or on site, shall be invoiced and paid for by the customer. In the case of
a commercial meter, the parameters of a repaired product shall be verified at a duly authorised metrological
centre. Any requirement for post-warranty repair shall be submitted in writing (using fax, electronic mail or
registered letter) to the official address of the manufacturer.
9. TESTING
On every product, the manufacturer performs a detailed inspection of the product completeness and quality in
reference to the respective quality assurance standards. Following this inspection the product is subject to tests
performed in compliance with the agreed test specifications. Prior to release from the test station, every product is
subject to a test run over a minimum period of 15 hours.
10. ORDERING
In ordering a product, the customer shall use the enclosed Product Order Form.
11. PACKAGING
The product packaging shall ensure safe domestic and international transport, taking into account the delivery
conditions agreed to with the customer. The packaging shall comply with the respective internal standards of the
manufacturer (ELIS PLZEN a.s.).
12. PRODUCT ACCEPTANCE PROCEDURE
Upon delivery, the goods shall be checked for completeness with respect to the delivery note and subject to
visual inspection. A typical scope of delivery includes a complete flow meter system SE8065, a set of assembly
and measuring fixtures, application, installation and service manual, product compliance certificate and delivery
note.
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13. WARRANTY CONDITIONS
Unless agreed within the commercial contract between the manufacturer and customer otherwise, the
standard product warranty period is 12 months from the date of sale. Within the warranty period all product defects
due to material, part of system design faults shall be repaired free of charge. The warranty period shall be
extended by the time the product was inoperative due to a warranty repair. Warranty shall not be applicable to
any product defects due to incorrect system assembly and/or installation, intentional damage, pilferage, theft
or any faults due to circumstances classified as force majeure.
14. PRODUCT ORDER FORM
ELIS PLZEŇ a.s.
Project:
Measurement position:
Project item:
Product Order Form
Parameters
SE8065
Specified data
Meas. units
Minimum flow rate
m3/hour
t/hour *
Maximum flow rate
m3/hour
t/hour *
Nominal pressure of measured fluid, PN
6, 10, 16, 25, 40 *
−
Nominal inner diameter of piping
DN
−
Pipe wall thickness
mm
Pipe material class
−
Type of measured medium
−
Length of connecting cables to ultrasonic probes US 2.0
m
Output signal
impulse
yes no * impulse number
frequency
yes no *
l/imp
−
current
yes no *
−
Set of assembly and measurement fixtures
yes no *
−
Optional equipment and functions
yes no *
−
current output
0 ÷ 20 mA 4 ÷20 mA *
−
mass flow rate information
yes no *
−
bi-directional flow rate measurement
yes no *
−
communication interface
yes no *
−
- workstation number (1 ÷
255)
−
- group number (1 ÷ 255)
−
Customer’s address
Company identification number
Tax-payer’s identification number
Bank connection
Contact person
Telephone
Fax
* cross out where inapplicable
Prepared by:
ELIS PLZEŇ a. s., Luční 15, P. O. BOX 126, 304 26 Plzeň, Czech Republic, tel.: +420/377 517 711, fax: +420/377 517 722
Es 90 215 K/b
Design, Assembly and Service Manual
ELIS PLZEŇ a. s.
Ultrasonic flow meter SONOELIS SE8065
Page 48 of 48
Manufacturer’s address:
ELIS PLZEŇ a. s.
Luční 15, P. O. BOX 126
304 26 Plzeň
Czech Republic
Tel.: +420 377 517 711
Fax: +420 377 517 722
E-mail: sales@elis.cz
http://www.elis.cz
Issue No. 3
ELIS PLZEŇ a. s., Luční 15, P. O. BOX 126, 304 26 Plzeň, Czech Republic, tel.: +420/377 517 711, fax: +420/377 517 722
Es 90 215 K/b
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