Dwyer Series DM-1000 Instruction Manual

Document

Bulletin P-DM-1100
Series DM-1000 DigiMag&reg; Digital Differential Pressure Gage
&reg;
Specifications - Installation and Operating Instructions
&Oslash;5.00
The Series DM-1000 DigiMag&reg; Digital Differential Pressure Gage is the ideal digital
instrument to take the place of analog mechanical pressure gages. The DigiMag&reg;
Digital Gages are more versatile than analog gages with their ability to be fieldprogrammed to display many commonly used engineering units as well as percent of
full scale. The Series DM-1000 can be programmed in 8 commonly used engineering
units plus percent of full scale. This capability allows quick units selection on site,
eliminating the need to calculate various unit conversions. The DigiMag&reg; Digital
Differential Pressure Gages have an added feature for filter applications where a set
point can be input where the display will blink when the filter is dirty, alerting the user
that a maintenance action needs to occur.
Programming the Series DM-1000 is easy using the menu key to access 4 simplified
menus which provide access to: Security level; engineering units; filter set point; view
peak and valley process readings; digital damping for smoothing erratic process
applications; display update to conserve battery life; zero and span field calibration.
The Series DM-1000 DigiMag&reg; Digital Differential Pressure Gage possesses a full
scale accuracy of 1% on ranges down to 2 in w.c. and 2% accuracy down to the very
low ranges of 1 in to 0.25 in w.c. Models are also available with bi-directional ranges.
DigiMag&reg; Digital Differential Pressure Gages offer power versatility by working with 9
to 24 VDC line power or simply 9 V battery power. If using line power and connecting
the 9V battery, the battery will act as a back-up if line power is lost or interrupted.
2.33
SPECIFICATIONS
Service: Air and non-combustible, compatible gases.
Wetted Materials: Consult factory.
Housing Materials: Glass filled plastic.
Accuracy: &plusmn;1% F.S. including linearity, hysteresis and repeatability; &plusmn;2% F.S. for
ranges 1 in w.c. and below.
Temperature Limits: 0 to 140&deg;F (-18 to 60&deg;C).
Compensated Temperature Limits: 32 to 122&deg;F (0 to 50&deg;C).
Long Term Stability: &plusmn;1% F.S. per year.
Thermal Effect: &plusmn;0.05% F.S./&deg;F typ.; &plusmn;0.10% F.S./&deg;F for ranges 1 in w.c. and below.
Display: 4-digit LCD (Digits: 0.60˝H x 0.33˝W).
Display Update: Selectable for 1 second to 10 minutes or update only from button
push.
Pressure Limits: Normal and bi-directional ranges 5 in w.c. and lower = 2 psi (13.7
kPa); Normal and bi-directional ranges 10 in w.c. and higher = 11 psi (75 kPa).
Selectable Engineering Units: in w.c., psi, kPa, Pa, mm w.c., mBar, in Hg, mm Hg,
FS (0-100%).
Power Requirements: 9V battery or external power supply 9-24 VDC. Battery
included but not connected.
Type of Battery: 9V alkaline battery (Duracell&reg; PC 1604 or equivalent).
Battery Service Life: Battery life depending on the Display Update setting: 150
hours (typical) if Display Update = 1 second; 9 month (typical) if Display Update =
10 minutes; 1.5 years (typical) if Display Update is disabled. Battery may last up to
four times longer when using lithium-based battery ULTRALIFE U9VL-J.
Current Consumption: 5 mA maximum.
Electrical Connections: Removable terminal block for 16 to 26 AWG.
Electrical Entry: Cable gland for 0.114 to 0.250˝ (2.9 to 6.4 mm) diameter cable.
Process Connections: 1/8˝ (3 mm) ID tubing.
Enclosure Rating: NEMA 4X (IP66).
Weight: 1.18 lb (535 g).
Size: 5˝ (127 mm) O.D. front face.
Agency Approvals: CE, EN 61326-1 [Immunity Test Requirement for Industrial
Environments] with the following SPEC: IEC 61000-3-2, IEC 61000-3-3, IEC610004-2, IEC61000-4-3, IEC61000-4-4, IEC61000-4-5, IEC61000-4-6, and IEC610004-11.
Duracell&reg; is a registered trademark of The Gillette Company
DWYER INSTRUMENTS, INC.
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A.
Phone: 219/879-8000
www.dwyer-inst.com
Fax: 219/872-9057
e-mail: [email protected]
INSTALLATION
Mounting
A vertical position required. That is the position in which all standard models are
calibrated at the factory. Provide a 4-9/16˝ diameter opening in panel. Insert gage and
secure in place with provided screws and adapters.
B1
CONN6
9V BATTERY
Included Accessories:
Mounting lugs – 3
6-20 x 2-1/2 screws – 3
4-20 x 3/8 screws – 3 (mounting hole depth is 3/8˝ [9.53])
Cable gland – 1
OUTSIDE
DIAMETER
OF A-286
FLANGE
1-1/4
[31.75]
(3) FLANGE MOUNTING
HOLE LOCATIONS
&Oslash;5/8 [15.88]
THRU HOLE FOR
CONDUIT
CONNECTION
&Oslash;5-17/32 [140.49]
BOLT CIRCLE
MOUNTING
HOLE DIMENSION
FOR A-286 FLANGE
&Oslash;5-1/8 [130.18]
STANDARD
MOUNTING HOLE
DIMENSION FOR
DIGIMAG GAUGE
&Oslash;4-9/16 [115.89]
13/32 [10.16]
1 [25.44]
3-5/64
[78.27]
2X30&deg;
(3) SURFACE
MOUNTING HOLE
LOCATIONS
1-51/64
[45.72]
2x&Oslash;13/32 [10.32]
THRU HOLES FOR
PRESSURE PORTS
3-15/32 [88.12]
Pressure Connections
Two integral tubing connections are provided on the back of the gage. They are sized
to fit 3/16˝ (4.8 mm) I.D. x 5/16˝ (7.9 mm) O.D. flexible PVC tubing. To measure single
positive pressure, connect tubing to the + port and vent the – port to atmosphere. To
measure single negative pressure (vacuum), connect tubing to the – port and vent the
+ port to atmosphere. To measure differential pressure, connect higher pressure to
the + port and lower pressure to the – port. Be sure the pressure rating of the tubing
exceeds that of the operating ranges.
Electrical Connections
A 9V battery or an external power supply 9-24 VDC can be used to power the unit. If
both battery and external power supply are connected, the battery will work as back
up power.
Battery Installation
The unit is shipped with a separate 9V alkaline battery. Remove the unit’s top back
cover, do not remove bottom cover. Connect the 9V battery to the battery holder as
shown in Figure 1. Replace top back cover and tighten screws to 2 &plusmn;.25 in. lbs.
External Power Supply Installation
Remove the unit’s back cover then connect the external power supply to the terminal
block as shown in Figure 1.
POWER MUST BE OFF WHILE WIRING CONNECTIONS
ARE BEING MADE. DO NOT EXCEED SPECIFIED SUPPLY
VOLTAGE RATINGS. PERMANENT DAMAGE NOT COVERED BY WARRANTY
WILL RESULT.
CAUTION
POWER SUPPLY
9 TO 24 VDC
Figure 1
OPERATING INSTRUCTIONS - Key Functions
Home Position
Main Menu
Function
Function
Menu
Allows access to the
Return to
menus
home position
Sub Menu
Function
Return to previous menu
Up Arrow
Displays pressure
Sequences
Increments a value
readings instantly
through menus
(rAtE KEY MODE only)
Sequences
Decrements a value
Down Arrow
through menus
Enter
Displays full scale
range of unit
Enter into
SUB MENU
Changes a value or
setting. Press ENTER and
display will blink. Adjust
with UP or DOWN arrows.
Press ENTER to store.
Display will stop blinking.
Menu Map
Main Menu Programming Instructions
(Upper Right Display Reads MENU)
Security Menu: SECr-MENU
Lock out access to all menus or lock out access to all menus except Auto-Zero function
(Auto-ZERO).
Operation Menu: OPEr-MENU
Select the measurement type – pressure, velocity or flow and corresponding
engineering units (Velocity and flow are not available for Model DM-1100).
Display Menu: diS-MENU
Monitor and adjust display related settings: Filter type, filter point, dampening, display
update, peak and valley.
Advanced Menu: AdU-MENU
Perform auto-zero or full-scale calibration.
Security Menu: SECr-MENU
With the gage reading pressure (home position), press and hold the MENU key until
the Security MENU is displayed. Press the E key to show the security SUB MENU
SECr–0001. When the security SUB MENU is selected, the present security level is
displayed in the upper right hand display. To change the security level, adjust the
number displayed to the number shown in the following table for the desired security
level.
Security Level Access
Displayed
All menus access
1
2
All menus locked except the
auto-zero function
3
All menus locked
Password
Value to Enter
10
90
111
The password values shown in the table cannot be altered, so retain a copy of these
pages for future reference.
Operation Menu: OPEr-MENU
With the gage reading a numerical value (home position), press and hold the MENU
key until the Security MENU is displayed. Press the ▼ key to show the OPEr-MENU.
Press the E key to show the Operation SUB MENUS.
The Operation SUB MENUS for Series DM-1100 is PrES–INWC (Pressure–Unit)
Pressure Sub Menu: PrES – INWC
PrES – INWC: Pressure – inches of water column
With the LCD reading PrES – INWC, press the E key; the display will blink. Press
the ▼ key to change the pressure unit then press the E key to save the desired unit.
For pressure measurement, the following units are available:
INWC – Inches of water column
MBAR – Millibar
PSI – Pounds per square inch
INHG – Inches of mercury
KPA – Kilopascals
MMHG – Millimeters of mercury
PA – Pascals
FS – % of full scale
MMWC – Millimeters of water column
TABLE 1 PRESSURE RANGE VS. AVAILABLE UNITS
in w.c. psi
kPa
Pa
mbar mm
in Hg mm
% of Resolution
w.c.
Hg
FS
(in w.c.)
0.250
–
0.062 62.20 0.622 6.35 –
0.467 100.0 0.001
0.500
–
0.124 124.5 1.245 12.70 –
0.934 100.0 0.001
1.000
–
0.249 249.1 2.492 25.40 –
1.868 100.0 0.001
2.000
–
0.498 498.2 4.982 50.80 –
3.736 100.0 0.001
5.000
0.181 1.245 1245 12.45 127.0 0.368 9.34
100.0 0.002
10.00
0.361 2.491 2491 24.91 254.0 0.736 18.68 100.0 0.010
15.00
0.543 3.738 3738 37.38 381.0 1.104 28.02 100.0 0.010
25.00
0.903 6.227 6227 62.27 635.0 1.839 46.71 100.0 0.010
50.00
1.806 12.45 –
124.5 1270 3.678 93.42 100.0 0.020
100.0
3.613 24.91 –
249.1 2540 7.355 186.8 100.0 0.100
Note: OFL (over flow) or UFL (under flow) will appear when the low and high range
levels have been exceeded by 10% F.S.
DISPLAY MENU: diS – MENU
With the gage reading a numerical value (home position), press and hold the MENU
key until the Security MENU is displayed. Press the ▼ key until the LCD shows diS
– MENU. Press the E key to show the Display SUB MENUS.
FILTER TYPE SETTING
With the LCD reading FILt – OFF, press the E key; the display will blink. Press the ▼
key to change the filter type then press the E key to save the desired filter type.
FILt – OFF: Filter type = OFF. The filter function is disabled.
FILt – HIGH: Filter type = HIGH. The display blinks when pressure is greater than the
filter point.
FILt – LOW: Filter type - LOW. The display blinks when pressure is less than the filter
point.
FILTER POINT SETTING
With the LCD reading 0.00 – SPPT, press the E key; the display will blink. Press the
▼ key to change the filter point then press the E key to save the desired filter point.
0.00 – SPPT: Filter point = 0.00. The filter point may be set to anywhere within the
range of the instrument.
DAMPING SETTING
With the LCD reading 1 – DAMP, press the E key; the display will blink. Press the ▼
key to change the damping level then press the E key to save the desired damping
level.
1 – DAMP: Damping level = 1. The damping level can be adjusted from 1 to 15.
Damping stabilizes the display from instabilities due to things such as vibration and
excessive pressure fluctuations. The damping function adjusts the amount of readings
that are averaged for each display update.
DISPLAY UPDATE SETTING
With the LCD reading rAtE – NORM, press the E key; the display will blink. Press
the q key to change the display update rate then press the E key to save the desired
display update rate.
rAtE – NORM: Display update = Normal (1 second).
The gage reads the process pressure and updates the LCD every second.
rAtE – 10: Display update = 10 minutes.
The gage reads the process pressure and updates the LCD every 10 minutes.
rAtE – KEY (On-Touch mode): Display update is disabled.
The gage reads the process pressure and updates the LCD whenever the ▲ key
is pressed. If the ▲ key is released, the LCD will hold and display the last pressure
reading.
NOTES:
1.Depending on the Display Update setting, the battery life is shown below:
-150 hours (typical) if Display Update is set for “Normal” 1 second update.
rAtE-NORM
-9 months (typical) if Display Update is set for 10 minutes. rAtE-10
-1.5 years (typical) if Display Update is disabled. rAtE-KEY
2.If the Display Update is set for 10 minutes or disabled (On-Touch mode), the
process pressure value can be read instantly by pressing and holding the ▲ key on
the front panel. Also the LCD will automatically show “ALAr” if the filter point has
been exceeded.
PEAK AND VALLEY SETTING
100.0 – PEAK: Peak value = 100.0
The peak feature stores the highest pressure reading the instrument has measured
since the last reset or power up. At power up PEAK is reset to the present
pressure reading. To manually reset the PEAK value, press the E key while in the
PEAK SUB MENU.
0.0 – VALY: Valley value = 0.0
The valley feature stores the lowest pressure reading the instrument has measured
since the last reset or power up. At power up VALY is reset to the present
pressure reading. To manually reset the VALY value, press the E key while in the
VALY SUB MENU.
ADVANCED MENU: AdU – MENU
With the gage reading pressure (home position), press and hold the MENU key until
the Security MENU is displayed. Press the ▼ key until the display shows the AdU
– MENU. Press the E key to show the advanced function SUB MENUS.
Auto ZERO: auto-zero
Note: For accurate calibration, DO NOT apply any pressure when performing this
function.
With the display reading Auto ZERO, release pressure to Zero then press the E key;
the display will blink. Press the E key again to complete the auto-zero.
CAL – SPAN: full-scale calibration
With the display reading CAL – FS, apply full-scale pressure then press the E key; the
display will blink. Press the E key again to save the full-scale calibration or press the
MENU key to cancel the calibration.
MAINTENANCE
This model is not field-serviceable and should be returned if repair is needed (field
repair should not be attempted and may void warranty). Be sure to include a brief
description of the problem plus any relevant application notes. Contact customer
service to receive a return goods authorization number before shipping.
This symbol indicates waste electrical products should not be disposed
of with household waste. Please recycle where facilities exist. Check with
your Local Authority or retailer for recycling advice.
(3) SURFACE MOUNTING
HOLE LOCATIONS
13/32 [10.16]
&Oslash;5/8 [15.88]
THRU HOLE FOR
CONDUIT CONNECTION
OUTSIDE DIAMETER
OF A-286 FLANGE
1-1/4 [31.75]
3-15/32 [88.12]
1-51/64 [45.72]
(3) FLANGE MOUNTING
HOLE LOCATIONS
2X30&deg;
1
[25.44]
STANDARD MOUNTING HOLE
DIMENSION FOR DIGIMAG GAUGE
&Oslash;4-9/16 [115.89]
MOUNTING HOLE DIMENSION
FOR A-286 FLANGE
&Oslash;5-1/8 [130.18]
2x&Oslash;13/32 [10.32]
THRU HOLES FOR
PRESSURE PORTS
&Oslash;5-17/32 [140.49]
BOLT CIRCLE
3-5/64
[78.27]
NOTES
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&copy;Copyright 2019 Dwyer Instruments, Inc.
DWYER INSTRUMENTS, INC.
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A.
Printed in U.S.A. 2/19
FR# 443779-00 Rev. 6
Phone: 219/879-8000
www.dwyer-inst.com
Fax: 219/872-9057
e-mail: [email protected]
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