Master Meter octave User manual

Octave Installation
Guide
Category: C & I Metering
Type: Installation Manual
Issue: Operation
Version 01.19

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Table of Contents
Octave Installation Manual
1 General Information Page
1. Introduction 3
2. Package Contents 3
3. General Safety 3
4. Unpacking Instructions 3
2 Technical Data
1. Measurement Method 4
2. Mechanical Data 4
3. Dimensions and Scaled Drawings 5
4. Performance Data 5
5. Pressure Loss Charts 6
3 Installation Requirements
1. Pre-Installation 7
2. Handling the Octave 7
3. Installation Notes 7
4. Installation Location & Position 8
5. Additional Installation Requirements 9
4 Register Display and Output
1. Digital Display 10
2. Pulse Output (Open Drain) 11
3. Pulse Output (SSR Dry Contact) 12
4. 4-20 mA (Analog) 13
5. Encoder Output (Serial) 14
6. No Output (Manual read) 14
7. Installation of Output Module 15
8. Wire Connectivity Chart 16

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Octave Installation Manual Chapter 1 – General Information
1.1 Introduction
Thank you for choosing Master Meter’s Octave Ultrasonic Meter. This unique design delivers precise flow
measurement without any moving parts for long life, sustained accuracy and exceptional performance. The
following information within this guide will help you gain a better understanding of the many features and
capabilities your new Octave Ultrasonic meter has to offer.
1.2 Package Contents and Documentation
• One complete Octave Ultrasonic Flow Meter (meter body with integral electronics), size as indicated on the
packaging box.
• Octave User Installation Guide
• Certificate of calibration data (adhered to the inside of the meter lid)
• (Optional) If specified at the time of order; one output module
1.3 General Safety
Prior to installation of your new Octave Ultrasonic Meter please consider the following;
• 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 instructions carefully before beginning installation and save them for future reference.
• Observe all warnings and instructions marked on the product.
• Consider handling and lifting instructions to avoid damage.
• If the product does not operate normally, refer to the service instructions or to a qualified Master Meter
representative.
• There are no operator-serviceable parts inside this product.
1.4 Unpacking Instructions and Inspection
This product has been thoroughly inspected and tested prior to shipment and is ready for operation. After
carefully unpacking the meter, inspect all contents for shipping damage before attempting to install. If here is
any indication of physical damage found, immediately contact the responsible transportation service and your
local Master Meter representative. Note: The LCD display remains active for the life of the meter. If the
display is not on, this may be an indication of damage during shipment.

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Octave Installation Manual Chapter 2 – Technical Data
2.1 Measurement Method
The Octave’s measurement method is based on an ultrasonic, transit time, dual beam sensor array which
determines the length of time it takes an ultrasonic sound wave to travel the distance between the two sensors
located in the meter’s body. The two sensors function as both the transmitter and the receiver, each one
alternating these functions so that the ultrasonic wave travels both with and against the direction of the flow.
Ultrasonic waves travel slower against the flow than with the flow, thus the time difference of two waves
traveling with and against the flow leads to determining the velocity and volume of the water.
Note: These sensors are ultra-sensitive; they are not designed to be modified by the user. Any
modifications void warranty on this product.
• The Octave ultrasonic flow meter is a battery-powered, precision flow meter designed for linear, bidirectional
flow measurement of water.
• Flow measurement data is communicated through the output module.
• The Octave can be set up for a wide range of applications.
2.2 Mechanical Data
Maximum Working Pressure 175 PSI
Liquid Temperature 32.1° F - 122° F (0.1° C to 50° C)
Referenced Standards Meets ANSI / AWWA Standard C715-18 & C750-10; ISO 4064 rev. 2005
Configuration Compact - Display built into unit
Power Source 2 x D size Lithium Thionyl Chloride batteries - 10 year warranted life time
Environmental Protection NEMA 6P (IP68), Ambient operation temperature -13° F to 131° F (- 25°
C to 55° C)
Data Units Multi-line 12 digit Liquid Crystal Display (LCD) - Programmable USG, Imperial Gallons, Cubic Feet, Cubic Meters, Barrels, Acre Feet or Acre
Inch for Volume and GPM, Lt/s,Lt/m or M3/h for rate of flow.
Volume Display Options 1. Net Volume (Forward measurement minus reverse) 2. Forward Only
3. Alternating Flow (Forward and Reverse flow displayed separately)
Flanges
ANSI / AWWA C702
•2” Oval Type – Cast Iron Floating Flange
•3” – 8” Round Type – Cast Iron Floating Flange
•8 – 12” Round Type – Cast Iron Fixed Flange
Meter Body Construction 2” – 8” Grade 316 Stainless Steel
10” – 12” Ductile Iron Epoxy Coated
Output (optional)
1. Dual Digital Pulses (Open Drain or Dry Contact)
2. 4-20 mA (Powered loop)
3. Encoder Output (up to 8 digit encoded readings)
Certifications/Listings
•UL Certified – Safety US EX29710 on 2” – 8” Stainless Steel Floating
Flange
•FM Approved on 2” – 12” Stainless Steel and Ductile Iron
•ANSI / NSF 372 (AB1953 or NSF61G)

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Octave Installation Manual Chapter 2 – Technical Data
2.3 Dimensions
2.4 Performance Data
Model
2" x 10"
2"x13" 2"x15.25" 2"x17" 3" 4" 6" 8" 10" 12"
(50 mm)
(50 mm) (50 mm) (50 mm) (80 mm) (100 mm) (150 mm) (200 mm) (250 mm) (300 mm)
10"
13" 15.25" 17" 12" 14" 18" 20" 17 3/4" 19 3/4"
(250 mm)
(330 mm) (390 mm) (432 mm) (305 mm) (356 mm) (457 mm) (508 mm) (451 mm) (502 mm)
5 3/4" 5 3/4" 5 3/4" 5 3/4" 7 1/2" 9" 11" 13 1/2" 16" 19 3/4"
(146 mm) (146 mm) (146 mm) (146 mm) (190 mm) (229 mm) (280 mm) (343 mm) (406 mm) (502 mm)
6 3/4" 6 3/4" 6 3/4" 6 3/4" 8 1/2" 9 7/8" 10 7/8" 12 7/8" 16 1/2" 19 3/4"
(172 mm) (172 mm) (172 mm) (172 mm) (216 mm) (250 mm) (276 mm) (327 mm) (419 mm) (502 mm)
2 1/8" 2 1/8" 2 1/8" 2 1/8" 3 1/2" 4 1/2" 5 1/8" 6 3/8" 8" 9 7/8"
(54 mm) (54 mm) (54 mm) (54 mm) (90 mm) (115 mm) (130 mm) (162 mm) (203 mm) (251 mm)
150 lbs. 210 lbs.
(68 kg) (96 kg)
15 lbs 20 lbs 22 lbs 24 lbs 23 lbs 35 lbs. 51 lbs. 78 lbs.
(7 kg) (9 kg) (10 kg) (11 kg)
(10.5 kg) (16 kg) (23 kg) (35 kg)
2" Octave is offered in 10" length with an optional add-on of a 3", a 5.25" or a 7" spool. Gaskets, nuts, bots, & washers are included in weights of 13", 15.25" and 17".
Octave
-
-
C - Center Pipe
Height
Weight -
StainlessSteel
Weight -
Ductile Iron
-
-
-
-
-
-
-
-
W - Width
H - Height
Nominal Size
L - Length
Solid Flange
Floating Flanges
Octave Extended Low Flow Normal Flow Range ‡ Continuous Linearity Range
Nominal Size 95% - 105% Accuracy 98.5% - 101.5% Accuracy Safe MaxFlow +/- 0.5% Maximum Deviation
inch (mm) GPM (Lt/s) GPM (Lt/s) GPM (Lt/s) GPM (Lt/s)
2"
(50mm) 1/4 (.016) 1/2 - 250
(.032 - 15.77) 250 (15.77) 4 - 200
(.25 - 12.62)
3"
(80 mm) 1/2 (.032) 1 - 500 (.06 - 31.54) 500
(31.54) 5 - 350 (.32 - 22.08)
4"
(100 mm) 3/4
(.047) 1-1/2 - 1,000 (.09 - 63.09) 1000 (63.09) 15 - 700
(.94 - 44.16)
6"
(150 mm) 2 (.13) 3 - 1,600 (.19 - 100.94) 1,600
(100.94) 20 - 1,150 (1.26 - 72.55)
8"
(200 mm) 4
(.25) 5 - 2,800 (.32 - 176.65) 2,800 (176.65) 50 - 2,000
(3.15 - 126.18)
10"
(250 mm) 8 (.50) 14 - 5,500
(.88 - 346.99) 5,500 (346.99) 400 - 4,000 (25.24 - 252.36)
12"
(300 mm) 8 (.50) 14 - 5,500 (.88 - 346.99) 5,500 (346.99) 400 - 4,000 (25.24 - 252.36)
‡ Continuous Safe Max Flow ranges listed for the Octave are for accurate flow measurement only and do not limit the Octave from meeting the Short-term Deluge Flow for fire services.

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Master Meter, Inc. 101 Regency Parkway, Mansfield, TX 76063 T: 817-842-8000 MasterMeter.com Page 6of 16
Octave Installation Manual Chapter 2 – Technical Data
2.5 Pressure Loss Charts

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Octave Installation Manual Chapter 3 – Installation Requirements
3.1 Pre-Installation
Prior to installation check the following:
• Flow rate and volume units are correctly programmed.
• The flow meter is correctly installed per the installation location and position recommendations.
• Output modules are correctly attached.
3.2 Handling of Octave
IMPORTANT:
•DO NOT use chains or wire cable to lift the Octave. To protect the epoxy coating, only
use a nylon lifting strap with appropriate weight capacity.
• DO NOT lift the Octave by the electronic housing unit.
• DO NOT carry the Octave by its lid.
• DO NOT use bolt holes for grip when carrying the Octave.
• DO NOT position the flow meter on its electronic housing unit.
• When bolting the meter to pipe flanges, use washers on both nuts and bolts to
protect the epoxy coating of the Octave.
• When handling the flow meter avoid hard blows, jolts or impact.
3.3 Installation Notes
The measuring tube should be completely full at all times for proper flow measurements. When sensors are not
wet this will show a loss of signal. Though this will not cause damage to the meter, it will however not measure
flow.
FLOW DIRECTION: The Octave is a bi-directional flow meter. Note the indicating arrow for forward and
backward flows.
Master Meter recommends keeping the lid closed in case of direct sunlight exposure. However, no direct
damage will occur while the lid is open temporarily.
Do not expose the meter to excessive vibration. To prevent this from occurring, support the connection pipe
spools on both ends of the flow meter.
To avoid measuring errors due to air or an empty pipe, please observe the following precautions:
• Installation of the flow meter should be at the lowest point of the system, if possible, since air will be
collected at the highest point of a system.
• If possible, maintain positive back pressure in meter outlet piping.
• In order to avoid cavitation, always install control valves downstream of the flow meter and never install the
flow meter on a pump suction side.

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Octave Installation Manual Chapter 3 – Installation Requirements
3.4 Installation Location & Position
Proper Installation
Improper Installation Conditional Installation
Recommended: If this is not the highest point in the system or a
hydraulic jump has been installed to keep the flow meter full. The
system has back pressured.
Not recommended:If this is the highest point in a system or if pipeline
and/or flow meter is subject to being emptied between uses avoid this
installation.

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Octave Installation Manual Chapter 3 – Installation Requirements
3.5 Additional installation requirements
Two (2) pipe diameters before & after elbows (90°)
Minimum of two (2) pipe diameters before or after isolation valves
Open bore valves, such as resilient wedge gate valves can be
bolted directly to the meter.
Minimum of ten (10) pipe diameters after pump discharge.
Minimum of two (2) pipe diameters before tee connections,
including test tees.
Minimum of two (2) pipe diameters before or after strainers for
ISO version Octaves (primarily sold outside North American
Market). AWWA length Octaves (primarily sold in North
American markets) may be bolted directly to a strainer.
Two (2) pipe diameters before and after elbows (90°) in
vertical installations

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Octave Installation Manual Chapter 4 – Register & Output Mode
4.1 Digital Display
The Octave meter comes with a factory programmable digital display built to your specifications. At the time
of order you can select:
•Volume units in US gallons, Imperial gallons, Cubic Feet, Cubic Meters, Barrels, Acre Feet or Acre
Feet
oUS Gallons will display a constant GAL on the LCD
oImperial Gallons will display a constant IGAL on the LCD
•Rate of flow measurement in US Gallons per Minute, Imperial Gallons per Minute, Liters per
Second, Liters per Minute or Cubic Meters per Hour
•A programmable decimal with flow measurement as low as 1/1000th of a measurement unit.
•Single output mode in either encoder (UI1203), digital pulse (open drain or dry contact), 4-20 mA,
or no output mode
•Dual output mode (optional) in encoder + open drain digital pulse
•Volume Display Option in either Net Flow, Forward Only, or Alternating.
oNet Volume – The meter measures both forward and reverse flow. If backward flow is
detected, the totalizer will begin to decrease.
oForward Flow Only – The meter measures forward flow only. Reverse flow is disregarded.
oAlternating Flow – The totalizer will display only forward flow, then toggle to display only
reverse flow. The timing of the how long each measurement is displayed is programmable with
this software version.
Flow Direction
Communication
Volume Units
Flow Rate Units
Empty Pipe / Error
Pulse Resolution
Accumulation Mode
Water Temperature
Alarms / Alerts
Additional Output Modes
Sleep Mode – After 24 hours of an empty
pipe the meter will switch to sleep pipe.
Checksum – After 1 minute of no flow, the
meter will flash a series of letters and numbers
in place of the rate of flow to show the
checksum of the software version.

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Octave Installation Manual Chapter 4 – Register & Output Mode
4.2 Pulse Output (Open Drain)
Pulse Type: Open Drain that allows current loading of 200 mA, and up to 30 VDC.
Output Type Open drain
Cable Length - Supplied 9 feet
Maximum Cable Length* 1,640 feet
Maximum Supply Voltage 30 VDC
Wire Color
Function
Long cable
Red
Pulse Out #1
Green Pulse Out #2
Black Common
Bare Wire Shield
Pulse Module Wire Colors
Output Characteristics
Warning: Signal connection polarity is mandatory
* The maximum cable length depends on: cable
type, controller, and electrical noise level.

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Octave Installation Manual Chapter 4 – Register & Output Mode
4.3 Pulse Output (SSR Dry Contact)
Pulse Type: Dry Contact that allows current loading of 120 mA, and up to 35 volts.
Output Type SSR Dry Contact
Cable Length - Supplied 9 feet
Maximum Cable Length* 1,640 feet
Output Voltage max. + 400 (V)
Output Current max. 120 mA (.12 A)
Supply Voltage 3-35 VDC
Wire Color
Function
Long cable
Red
Output #1
Orange
Output #1
Black
Output #2
Brown Output #2
Short cable Red 24V + Black 24V -
Yellow GROUND
Pulse Module Wire Colors
Output Characteristics
Warning: Signal Polarity is mandatory on Short Cable
wires but is not mandatory on Long Cable wires.
* The maximum cable length depends on: cable
type, controller, and electrical noise level.

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Octave Installation Manual Chapter 4 – Register & Output Mode
4.4 4-20 mA Output (Analog Communication)
The current output is a passive 4-20 mA. Power must be provided by the customer. 4 mA is always “0”
(zero) flow and the 20 mA is factory programmable according to the customer’s requirements. (If the
customer has not specified the 20 mA at the time of order, the Octave will be programmed with the 20 mA at
the max flow of the meter.)
Output Type
4-20 mA passive
current output
Cable Length - Supplied 9 feet
Maximum Cable Length* 1,640 feet
Loop Supply Voltage 12 - 24 VDC
Output Impedance 25 (mΩ)typ.
Wire Color
Function
Long cable
Red
Current loop +
Black
Current loop -
Bare Wire
Shield
Warning: Signal connection polarity is
mandatory
4-20 Module Wire Colors
Output Characteristics
* The maximum cable length depends on: cable
type, controller, and electrical noise level.

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Octave Installation Manual Chapter 4 – Register & Output Mode
4.5 Encoder Output
•UI1203 encoder open communication, with a maximum reading up to 8 digits, depending on the
programming of the attached output module
•Encoder digits are represented by lines above each digit transmitted to an AMR or AMI on the
volume totalizer.
•Serial communication collector
•Data output line is a solid state switch requiring external pull-up
•AMI Type for Encoder is : 0
Wire Function
Red Power
Green Data
Black
Ground
4.6 No Output (Manual Read)
The Octave meter can be programmed to not send a communication signal at the customer’s request;
however Master Meter recommends selecting a communication mode for future migration to AMR or AMI.
Output Type Encoder
Cable Length - Supplied 9 feet
Maximum Supply Voltage 15 Vdc
Maximum Power Load .04 Vdc
Output Characteristics
Encoder Module Wire Colors

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Octave Installation Manual Chapter 4 – Register & Output Mode
2 Allen Screws 3mm x
20mm
Washer
Pic. 1
3mm Allen Key
Octave
Module
Pic. 2
Pic. 3
Pic. 4
Pic. 5
Pic. 6
Pic. 7
Pic. 8
Pic. 9
4.7 Output Module Installation (Optional)
All Octave water meters are shipped with either a cover plate or communication module installed on the side
of each meter. Even if the meter is not going to be read by radio or some other electronic unit, it is important
to leave one of these devices installed on the Octave to prevent damage to the communication port.
Installing an Octave without a cover plate or communication module would void any warranty.
If you received an Output Module separate from your Octave meter, please follow the steps below to ensure
proper installation of the module. Read through these instructions before attempting to remove the cover
plate. Your module came as a complete installation kit with the supplies shown in Pic. 1.
Octave Output Module Installation Parts
Step 1: Remove the Sealing Cap from the cover plate (Pic. 2).
Step 2: Using the 3mm Allen Key provided, remove the cover plate (Pic.
3). Keep the cover plate and 3mm x 15mm screws for future use. The
communication port is now exposed. (Pic. 4)
Step 3: Place washer around the 4-prong plug of the output module. (Pic.
5 & 6)
Step 4: Insert Output Module into the communication port (Pic. 7), with the
cable pointing down. This will allow the slot inside the communication port to
align with the groove on the module. Do not force the module into the
communication port. This may cause damage to the pins. Secure into place
using the 3mm x 20mm screws provided. Tighten until the screws stop. (Pic.
8)
Step 5: Push the Sealing Cap into the lower screw hole (Pic. 9). Lock the
Sealing Cap in place by firmly pushing in into place or gently tapping it in with
a small hammer.
Note: If at any time the module needs to be removed, take caution not to
allow dirt or water into the communication port. If the module is going to be
removed for an extended period of time, reinstall the cover plate and the 3mm
x 15mm screws.

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Master Meter, Inc. 101 Regency Parkway, Mansfield, TX 76063 T: 817-842-8000 MasterMeter.com Page 16 of 16
Octave Installation Manual Chapter 4 – Register & Output Mode
4.8 Wire Connectivity Chart
The following chart is designed to assist in wiring the Octave module to various AMR/AMI Radios. The
Octave transmits up to 8 digit output encoder output. Pulse output resolution is available in resolutions of
x0.1, x1, x10, x1,000, or x10,000.
By default Octave encoder modules are provided with Nicor connectors, however you may also select Itron
Connectors, magnetic inductor coils for wall or pit mount, for bare wire. Nicor connectors are factory potted.
All other connectors are spliced with water resistant heat shrink wrap.
Manufacturer Model Communication
Type Octave Red Wire Octave Green Wire Octave Black Wire
Aclara
Star 3000 Series
Encoder
Red
White
Black
Star 3000 Series Pulse Red N/A Black or White
Badger
Orion
Encoder
Red
Green
Black
Datamatic Firefly Encoder Red White Black
Mosaic Encoder Red Green Black
Elster MTU Encoder White Red Black
MTU Pulse Red White Green
Hersey Hot Rod Encoder Red Green or White Black
Itron
60w
Encoder
Green
Red
Unshielded
60wp Pulse Red N/A White
100w Encoder Grey Brown Yellow
Kemp Meeks Visu-Link VL-9S Pulse
Polarity does not matter - Connect Red and Black Wires to either
terminal, disregard green wire
Visu-Link VL-9
Encoder
Red
Green
Black
Master Meter Allegro PT Encoder Red Green Black
Universal XTR Encoder Red Green Black
Fast Pulse XTR
Pulse
Red
N/A
Black
Metron Farnier
(T2)
T2 M2w Encoder Red Green Black
Neptune
R900
Encoder
Black
Red
Green
Sensus
MXU Pit Unit
Encoder
Red
Green
Black
MXU Wall Unit Encoder Red Green Black
Touch Pad Encoder Red Green Black
*Note – when connecting to Master Meter’s Allegro PT or 3G XTR, the Octave will typically output an 8 digit
reading, unless otherwise specified. When connecting to another manufacturer’s radio or read device, it is
recommended to confirm with that provider what the actual reading resolution of the connecting device is.