Octave Flow Meter Installation & User Guide

FLOW METERS
OCTAVE®
ULTRASONIC FLOW METER
INSTALLATION & USER GUIDE
2 • OCTAVE ULTRASONIC FLOW METER INSTALLATION & USER GUIDE
TABLE OF CONTENTS
General Information..............................................................................................................4
Warranty.................................................................................................................................4
Included Items.......................................................................................................................4
Operation................................................................................................................................5
Specifications........................................................................................................................5
Dimensions & Weight .........................................................................................................5
Installation
Handling the Flow Meter....................................................................................6
Installation Position & Location........................................................................6
Installation Examples..........................................................................................7
Installation Notes.................................................................................................8
Pipe Flanges..........................................................................................................8
Start-Up . ...............................................................................................................8
Display ....................................................................................................................................8
Outputs
Electrical Outputs.................................................................................................9
Pulse Output Module . ........................................................................................9
Analog Output Module .....................................................................................10
Grounding Instructions......................................................................................................11
Grounding Parts .................................................................................................................12
OCTAVE ULTRASONIC FLOW METER INSTALLATION & USER GUIDE •
3
GENERAL INFORMATION
• Do not install, operate or maintain this flow meter without reading, understanding and following the factory-supplied instructions. Otherwise, injury or damage may result.
• Read these instructions carefully before beginning installation and save them for future reference.
• Observe all warnings and instructions marked on the product and in this guide.
• Consider handling and lifting instructions to avoid damage.
• If the product does not operate normally, refer to the service instructions or call your Netafim Representative.
• There are no operator-serviceable parts inside this product.
WARRANTY
Octave flow meters are warranted to be free from original defects in materials and workmanship for a period up to
five (5) years. If the meter encounters a problem, Netafim USA will choose to cover the cost of repair or replacement
based on a five (5) year pro-rated schedule as follows:
Year 0 through Year 2: 100%
Year 2 through Year 3: 75%
Year 3 through Year 4: 50%
Year 4 through Year 5: 25%
All Octave flow meters must be installed with a Netafim branded Combination Air/Vacuum or Continuous Acting Air
Vents to qualify for the five (5) year pro-rated product warranty.
INCLUDED ITEMS
• One Octave Ultrasonic Flow Meter, size as indicated on the packaging box, pieced together into a complete compact system (flow tube plus electronics).
• One pre-installed Output Module, either Digital or Analog (if ordered).
• Documentation includes: Installation and User Manual, Report of Factory Meter Settings and Certificate of Calibration Data.
• This product has been thoroughly inspected, tested and calibrated before shipment and is ready for operation.
• After carefully unpacking the meter, inspect for shipping damage before attempting to install. If any indication of damage is found, immediately contact the responsible transportation company and Netafim USA.
4 • OCTAVE ULTRASONIC FLOW METER INSTALLATION & USER GUIDE
OPERATION
•
The Octave's measurement method is based on an ultrasonic, transit-time, dual-beam sensors that determines the length of time it takes an ultrasonic wave to travel the distance between the two sensors located in the meter's body. The sensors function as both sender and receiver, each one alternating these functions so that the ultrasonic wave travels both with and against the direction of the flow. Because the ultrasonic wave travels slower against the flow than with the flow, the time difference of the two waves allows the meter to determine the flow rate.
• The Octave is a battery-powered precision flow meter designed for linear, bidirectional flow measurement of water.
• Flow measurement values can be transferred through the standard digital or analog output.
• The Octave display can be set up for a wide range of outputs.
SPECIFICATIONS
• Maximum Working Pressure: 175 psi
• Liquid Temperature: 32° to 122° F
• Precision Class: ISO 4064 rev.2005, Accuracy Class 2
• Configuration: Compact - display is built into the unit
• Power Source: 2 ‘D’ size Lithium Batteries (not serviceable by user)
• Environmental Protection: IP-68, Ambient operation temperature for display: -13° to 131° F (-25° to 55° C)
• Display Units: Multi-line, programmable 9 digit LCD display
• Volume Display Options: 1. Net (Forward less Reverse), 2. Forward Only, 3. Forward and Reverse Alternating
• Outputs (optional): Programmable single/dual open collector pulse output our externally powered 4-20 mA loop
• Connections: Flanges ANSI ISO for AWWA connection standard
• Severity Levels: Environmental class C, mechanical class M1, Electromagnetic environment class E1
• Pressure Loss: ∆P 16
DIMENSIONS & WEIGHT
DIMENSIONS & WEIGHT
LENGTH (L)
7.9”
WIDTH (B)
6.5”
HEIGHT (H)
7.5”
HEIGHT (h)
1.6”
WEIGHT
19.8 LBS.
3”
8.9”
7.9“
8.3“
3.5“
28.7 LBS.
4”
9.8”
8.7”
8.8”
4.1”
33.1 LBS.
6”
11.8”
11.2“
11.1“
5.5“
70.5 LBS.

H

13.4”
13.1”
6.5”
99 LBS.
h
17.7”
15.9”
15.9”
8.0”
150 LBS.

12”
19.7”
19.2”
19.3”
9.6”
216 LBS.


L
B
OCTAVE ULTRASONIC FLOW METER INSTALLATION & USER GUIDE •

13.8”

8”
10”

SIZE
2”
5
INSTALLATION
HANDLING THE FLOW METER
Important handling Information:
• Do not lift the Octave by the electronic housing.
• Do not carry the Octave by the lid.
• Do not place the Octave on the electronic housing.
• When handling the Octave, avoid hard blows, jolts or impacts.
INSTALLATION POSITION & LOCATION
Installation requirements for position and location are illustrated below.
PROPER INSTALLATION
EXAMPLES
FL
OW
DIR
EC
TIO
N
N
CTIO
IRE
WD
FLO
N
CTIO
IRE
WD
FLO
6 • OCTAVE ULTRASONIC FLOW METER INSTALLATION & USER GUIDE
N
CTIO
IRE
WD
FLO
FLOW DIRECTION
WRONG INSTALLATION
EXAMPLES
INSTALLATION
INSTALLATION EXAMPLES FOR ACHIEVING TOP PERFORMANCE
• Two (2) diameters of straight pipe are required when installing a 90° elbow before or after the meter. (See Figure 1)
• Two (2) diameters of straight pipe are required when installing the meter upstream or downstream of a valve, tee connection or other source of significant turbulence. (See Figures 2 and 3)
NOTE: The installation of the meter upstream of a pump or large valve is not recommended due to potential cavitation issues.
• Five (5) diameters of straight pipe downstream of a pump (before the meter) and Two (2) diameters of straight pipe downstream of the meter are required. (See Figure 4)
• Meter can be installed horizontally or vertically with the water flowing up. It is not recommended for installation where the direction of flow is below the horizontal plane. (See Figure 5)
• Install a pressure breaker after the meter - pipe length should be at least Two (2) diameters and the longer the better.
• To eliminate air in the pipeline and maintain accuracy, install Netafim branded Combination Air/Vacuum or Continuous Acting Air Vents right before the Octave flow meter.


FIGURE 2
FIGURE 1

(2) PIPE DIAMETERS
BEFORE & AFTER METER
(2) PIPE DIAMETERS
BEFORE & AFTER 90°
ELBOWS

N
CTIO
IRE
WD
FLO
2

FIGURE 3
(2) PIPE DIAMETERS
BEFORE TEE CONNECTION

2
ION
FIGURE 4

2
(5) PIPE DIAMETERS AFTER
PUMP (BEFORE METER) & (2) PIPE
DIAMETERS AFTER METER

FLOW DIRECTION
ECT
DIR
W
FLO

FIGURE 5
IRE
WD
FLO
2
2
N
CTIO
(2) PIPE DIAMETERS BEFORE &
AFTER 90° ELBOWS IN VERTICAL
INSTALLATIONS
5
2



F
N
CTIO
IRE
D
LOW



FLO
N
CTIO
IRE
WD

2

2
2

2
FIGURE 6
(2) PIPE DIAMETERS AFTER
STRAINERS
OCTAVE ULTRASONIC FLOW METER INSTALLATION & USER GUIDE •
7
INSTALLATION
INSTALLATION NOTES
• For proper flow measurements, the Octave’s measuring chamber should be completely full at all times. Non-wetted
sensors show loss of signal. Though this will not cause damage to the meter, it will however, not measure flow and
display zero.
• Flow direction: the Octave is a bidirectional flow meter. Note the indicating arrow on the Octave display for forward and
backward flow.
• Leave the lid closed except when reading the meter.
• Do not expose the Octave to excessive vibration. To avoid vibration, support the pipeline on both sides of the meter.
• Ambient working temperature: -13° to 131° F
• Water working temperature: 32° to 122° F
• To avoid measuring errors due to air in the flow tube, observe the following precautions:
- Since air collects at the highest point in the system, installation of the flow meter should be at the lowest point
- Always install control valves downstream of the meter in order to avoid cavitation
- Neve install the meter on a pump suction side in order to avoid cavitation
• It is required to install Netafim branded Combination Air/Vacuum or Continuous Acting Air Vents right before the Octave
flow meter.
PIPE FLANGES
• Refer to the standard dimensional drawings for flange spacing, accommodating for the thickness of gaskets.
• Install meter inline with the pipe axis. The pipe flange faces must be parallel to each other.
• Permissible length deviation: Lmax - Lmin 0.5mm (0.02”).
START-UP
• Check that the meter has been installed correctly.
• Check that the flow rate and volume units are correctly pre-programmed on the display.
• Check that the output module is correctly attached.
DISPLAY
Each Octave will be pre-programmed before shipment for
an instantaneous flow rate in Gallons per Minute (GPM)
and the specified user's requirements for:
• Volume Totalizer Units (Gallons or Acre Feet)
• Output Resolution for Optional Pulsed Output
NOTE: Programming software is not available to the
end user. Once the meter is programmed by the Netafim
prior to shipment, it can only be reset by Netafim. When
changing between totalizer options (US Gallons to Acre
Feet), the totalizer memory can not be reset so vital data
will not be lost.
8 • OCTAVE ULTRASONIC FLOW METER INSTALLATION & USER GUIDE
VOLUME UNITS
FLOW DIRECTION
FLOW RATE UNITS
ALARM/ERROR
LEAK DETECTOR
OUTPUT MODE
BATTERY LEVEL
OUTPUTS
ELECTRICAL OUTPUTS
• The Octave has several output options:
- Dual pulse output for volumes
- Analog output (4-20mA) for flow
PULSE OUTPUT MODULE
• Open collector that allows current
loading of 200mA and up to 50 VAC or
50VDC
Long
Cable
Octave Pulse v5.1
100ohm
EMI / RFI /
Over Voltage
PROTECTION
PULSE MODULE
OUTPUT DIAGRAM
100ohm
RED
GREEN
BLACK
SHIELD
1
Pulse#1
1
Pulse#2
1
GND
Read-out
Instrument
1
GROUND
Ground Cable
1
Short
Cable
PULSE OUTPUT CABLES
CABLE
LONG
CABLE
SHORT CABLE
PULSE OUTPUT CHARACTERISTICS
WIRE
RED
FUNCTION
PULSE OUT #1
OUTPUTS TYPE
CABLE LENGTH - SUPPLIED
DRAIN
5 FEET
GREEN
PULSE OUT #2
MAXIMUM CABLE LENGTH*
1,640 FEET
BLACK
GROUND
MAXIMUM APPLIED VOLTAGE
OPEN
GROUND / SHIELD
RING TERMINAL
GROUND
30 VDC
* The Maximum cable length depends on the cable type,
controller and electrical noise level
WARNING: Signal connection polarity is mandatory.
OCTAVE ULTRASONIC FLOW METER INSTALLATION & USER GUIDE •
9
OUTPUTS
ANALOG OUTPUT MODULE (4-20mA)
• The current output is a passive 4-20mA.
• 4mA is always ‘0’ zero flow and the 20mA is factory programmed
according to customer requirements. If the customer does not specify,
20mA will be the maximum flow rate.
Long
Cable
(+)
ANALOG MODULE
OUTPUT DIAGRAM
(-)
Read-out
+
Instrument
Octave
4-20mA
Module
Shield
GROUND
GROUND
Short
Cable
ANALOG MODULE OUTPUT CABLES
CABLE
ANALOG OUTPUT CHARACTERISTICS
LONG
CABLE
WIRE
RED
FUNCTION
CURRENT LOOP +
OUTPUTS TYPE
CABLE LENGTH - SUPPLIED
4-20mA OUTPUT
5 FEET
BLACK
CURRENT LOOP -
MAXIMUM CABLE LENGTH*
1,640 FEET
OPEN
GROUND / SHIELD
LOOP SUPPLY VOLTAGE
12 - 24 VDC
SHORT CABLE
RING TERMINAL
GROUND
OUTPUT IMPEDANCE
25 [M] TYP
WARNING: Signal connection polarity is mandatory.
10 • OCTAVE ULTRASONIC FLOW METER INSTALLATION & USER GUIDE
GROUNDING INSTRUCTIONS
STEP 1
Insert the M5 screw through the
pre-assembled Ring Terminal Lug.
STEP 2
Insert the flat washer on top of the
Ring Terminal Lug.
STEP 3
Insert the serrated washer on the
flat washer.
STEP 4
Attach to the Fork Terminal Lug and tighten (as shown in all three pictures).
STEP 5
Insert flat washer and serrated washer
on bolt - use the correct washers per
bolt size (M16 or M20 respectively).
Insert the bolt in the hole of the pipe’s
flange - do not insert on meter’s flange.
STEP 8
STEP 6
Slide the Fork Terminal Lug between
the flat washer and serrated washer.
Add the flat washer on top of the
serrated washer.
STEP 7
Add serrated washer to the other side
of the bolt (on meter’s flange side).
STEP 9
Add nut and tighten. Make sure the
Fork Terminal Lug is in position.
OCTAVE ULTRASONIC FLOW METER INSTALLATION & USER GUIDE •
11
GROUNDING PARTS
PARTS KIT FOR RING TERMINAL LUG
PARTS KIT FOR FORK TERMINAL LUG
CONNECTION TO PIPE
PICTURED LEFT TO RIGHT
PICTURED TOP TO BOTTOM
- Fork Terminal Lug
- Flat Washer
- M5 Screw
- Serrated Washer
- M16 or M20 Bolt (not included in kit)
- Flat Washer in M16 and M20 size (2 each included in kit)
- Serrated Washer in M16 and M20 sizes (2 each included in kit)
- M16 or M20 Nut (not included in kit)
NETAFIM USA
5470 E. Home Ave.
Fresno, CA 93727
CS 888 638 2346
www.netafimusa.com
MN-OCT-MAN 8/13
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