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omega
.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.
3
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