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.com

Specifications*

GENERAL INFORMATION

Modbus

®

 is a registered trademark of Schneider Electric.

* Specifications subject to change. Please consult our website for the most current data (www.seametrics.com).

1

   If forward and reverse flow data needs to be sent to another device, either the Digital or Modbus

®

 output is required.

2

   Rate Time Unit is available in Day only.

  Forward and reverse flow totals are non-resettable. Batch forward and batch reverse totals can be reset.

Pipe Sizes

2”, 3”, 4”, 6”, 8”, 10”, 12”    

Flanges

150 lb. ANSI Pattern

Pressure

150 psi (10.3 bar) line pressure

Temperature Operating

 10˚ to 140˚ F (-12˚ to 60˚ C)

Storage

-40˚ to 158˚ F (-40˚ to 70˚ C)

Accuracy

±0.75% of reading

 

(±1.0% 

FMG470

), ±0.025% of full-scale flow from low flow cutoff to maximum flow 

rate of 10 m/sec

Low Flow Cutoff

0.5% of maximum flow rate

Material

Body 

(2”-12”)

Welded steel, epoxy-coated

Liner 

(2” & 3”)

Polyurethane/Noryl

®

Liner 

(4”-12”)

Santoprene flange/Polypropylene liner body

Electronics Housing

Powder-coated diecast aluminum

Electrodes

316 stainless steel

Display

Type

128x64 dot-matrix LCD

Digits

5 Digit Rate

8 Digit Total

Units

Please Note:

All meters are factory 

set 

for gallons per minute 

(GPM) rate and gallons 

total.  If other units are 

required, they can be set in 

the field.

Rate Volume Units

Rate Time Units Total Volume Units

Gallons

Liters

Barrels(42 gal)

Cubic Feet

Cubic Meters

Million Gallons

2

Mega Liters

2

Imperial Gallons 

Million Imperial 

   Gallons

2

Second

Minute

Hour

Day

Gallons

Gallons x 10

Gallons x 100

Gallons x 1000

Million Gallons

Liters

Kilo Liters

Mega Liters

Barrels (42 gal)

Cubic Meters

Cubic Meters x 1000

Cubic Feet

Cubic Feet x 100

Cubic Feet x 1000

Second Foot Day

Million Cubic Feet

Acre Feet 

Acre Inches

Imperial Gallons

Imperial Gallons

     x 1000

Million Imperial  

     Gallons

Fluid Ounces 

Bidirectional

1

Forward Total, Reverse Total, Net Total, Batch Forward Total, Batch Reverse Total

3

Power

DC Power

9-36 Vdc @ 250 mA max, 30 mA average

Battery Backup

(Not for use as primary power)

DC powered units: One lithium 7.2V ‘D’ size battery pack, replaceable. 

AC powered units: One 9V alkaline battery, replaceable. 

AC Power

85-264Vac, 50/60Hz, 0.12A

Battery

One lithium 7.2V ‘D’ size battery pack, replaceable. 

Scaled Pulse 

Output

Signal

Current sinking pulse, isolated, 36 Vdc at 10 mA max

Pulse Rates

User-scalable from 0.1 to 99,999.9 volume units/pulse. Pulse width is one-half of pulse period with 

minimum pulse width of 2.5 ms, 200 pulses/sec max.  For battery option meters, pulse width varies with 

frequency, 150 pulses/sec max.

Options

4-20mA Current Loop

Isolated, passive, 24Vdc, 650 Ω maximum current loop

High Speed Digital

Isolated, open collector, 24 Vdc

Serial Communications

Isolated, asynchronous serial RS485, Modbus

®

 RTU protocol

Cable

Power/Output Cable

20ft (6m) standard length polyurethane jacketed cable—for power and outputs (lengths up to 200’ 

available). 

Remote Display Cable

20ft (6m) standard length polyurethane jacketed cable—for connection between meter and remote 

display (lengths up to 200’ available). 

Conductivity

>20 microSiemens/cm

Empty Pipe Detection

Hardware/software, conductivity-based

Regulatory

  (EN 61326), certified to NSF/ANSI standard 61 60°C (140°F)

Environmental

NEMA 6P, IP68 (10ft (3m) depth, continuously)

FMG470 Series

Summary of Contents for FMG470 Series

Page 1: ...PROUDLY MADE IN THE USA C e rtified Compa n y ISO ISO 9001 FMG470 Series Municip Municipal Industrial Magmet al Industrial Magmeter er...

Page 2: ...notice omega com info omega com Servicing North America U S A Omega Engineering Inc 800 Connecticut Ave Suite 5N01 Norwalk CT 06854 Headquarters Toll Free 1 800 826 6342 USA Canada only Customer Serv...

Page 3: ...alog 4 20mA Current Loop Output Application Page 12 Cable Shield Page 13 Pulse Output Page 13 Analog 4 20mA Output Page 14 Modbus Output Page 14 Operation Changing Flow Meter Settings Home Screen and...

Page 4: ...nd total units and pulse scaling can be set via the front panel touch key pad by the user Bidirectional flow reading is standard with totals available in forward reverse net flow batch forward flow an...

Page 5: ...llion Gallons Liters Kilo Liters Mega Liters Barrels 42 gal Cubic Meters Cubic Meters x 1000 Cubic Feet Cubic Feet x 100 Cubic Feet x 1000 Second Foot Day Million Cubic Feet Acre Feet Acre Inches Impe...

Page 6: ...8 1 206 62 15 7 2 68 68 30 13 6 4 10 12 257 8 3 211 62 15 7 3 12 79 33 15 6 12 09 307 9 1 231 69 17 5 5 05 128 49 22 8 14 14 359 10 1 257 69 17 5 6 44 164 70 32 10 18 08 459 11 2 284 69 17 5 8 61 219...

Page 7: ...off min Flow Rate Gallons Minute 1 61 3 61 6 43 14 46 25 70 40 15 57 82 Max Flow Rate Liters Second 20 25 46 81 182 324 507 730 Cut off min Flow Rate Liters Second 0 13 0 23 0 41 0 91 1 62 2 54 3 65 M...

Page 8: ...ter Partially Open Butterfly Valve 1X 1X 1X 1X Swirling Flow INSTALLATION NOTE These configurations are to be used as general guidelines and do not cover every possible installation A combination of t...

Page 9: ...er Intermittent air bubbles miss electrode Electrodes free from sediment build up Not Ideal Allows air pockets to form at meter Recommended Keep pipe full at meter for accuracy Not Ideal Post valve ca...

Page 10: ...lange bolt tightening torque specifications Calibration The FMG470 Series is factory calibrated before shipping The frequency of recalibration will depend on the needs of each application and local re...

Page 11: ...nstalled in a plastic piping system or when externally powered the piping system must be grounded to meet national and local electrical safety codes Failure to do so can result in electrocution Equali...

Page 12: ...POWER SOURCE OUTPUT S BXX BATTERY POWER PULSE SCALED BXS BATTERY POWER PULSE SCALED MODBUS D1X D2X DC POWER PULSE SCALED D1L D2L DC POWER PULSE SCALED AND 4 20mA D1S D2S DC POWER PULSE SCALED AND MOD...

Page 13: ...alog 4 20mA Current Loop Output Application Minimum resistor value is 100 x Vs ohms Higher resistances maybe used depending on frequency and cable length Longer cables and high frequencies require low...

Page 14: ...gallons per minute GPM the table below applies Pulse Units The units of measure of SETP are independently selectable and are not tied to rate or total Upon change of the SETP unit the pulse output may...

Page 15: ...Modbus Serial Communication Configuration factory configured These connections provide a half duplex isolated RS485 serial communications port using the Modbus messaging protocol The TXD connection is...

Page 16: ...making changes When you are finished making changes move to the EXIT tab using the right button To return to the HOME screen perform the hold and tap sequence TAP TAP 1 2345678 100 TOTAL CU FT X1000 R...

Page 17: ...olling average T UNIT R UNIT SET P DAMP SET 4 SET 20 SET F EXIT TOTAL GALLONS PRESS TO SET TOTAL UNITS FOR DISPLAY T UNIT R UNIT SET P DAMP SET 4 SET 20 SET F EXIT FLOW RATE GALLONS MIN PRESS TO SET R...

Page 18: ...return to the THIRD MENU screen Tab to EXIT and then hold and tap to return to the SUBMENU To change the number of decimal places in the total To set the decimal point hold and tap on SETD and then us...

Page 19: ...nding on the settings selected Battery Life Sample Period For battery BX powered meters only Sensor sample period s Seconds Expected battery life 1 5 0 2 7 months 1 3 0 33 1 year 1 2 25 years 3 4 year...

Page 20: ...pulse frequency output is low erratic or absent Wiring incorrect Compare wiring with appropriate wiring recommendations External device input impedance too low Use sourcing rather than sinking interfa...

Page 21: ...nation by OMEGA if the unit is found to be defective it will be repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser including but no...

Page 22: ...Flow Computers Air Velocity Indicators Turbine Paddlewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Si...

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