Battery Powered Insertion Magnetic flow meters EX90

The EX90-series battery-powered, insertion electromagnetic flow meter is designed for use with conductive fluids in 4”–12” pipe. The EX90’s stainless steel body allows the meter to operate in a wide range of temperatures, pressure, and corrosive or dirty environments.

The EX90 is highly suitable for difficult applications. With no moving parts, these meters can be used in “dirty water” applications where debris would foul a mechanical meter. If the EX90 meter is used with a programmable controller, the output signal can be fed direct, with no other conditioning required.

Rate and total units can be set via the front panel touch keypad by the user. Bidirectional flow is standard with totals available in forward, reverse, net, batch forward and batch reverse. The EX90 is battery powered and an output cable is available for transmitting the pulse signal to remote devices.

The EX90 includes a Seametrics saddle that has been designed to accommodate a wide range of pipe sizes and types while ensuring correct placement in the pipe. In addition, an optional internal data logger allows local storage of flow history.


  • Direct replacement for propeller meters
  • Easy to install
  • Less pipe obstruction
  • No moving parts or bearings to replace
  • No routine maintenance
  • Pulse Output Standard
  • 4-year battery life
  • Economical


  • Municipal water
  • Water/Wastewater treatment
  • Reuse/Reclaim water
  • Industrial processes
  • Cooling towers
  • Pump towers
  • Dewatering


Pipe Size 4” to 12”
Materials Sensor Body 316 SS
Electrodes Hastelloy
Housing Powder-coated diecast aluminum
Electrode Cap PVDF (Kynar®)
Temperature Operating 10˚ to 140˚ F (-12˚ to 60˚ C)
Storage -40˚ to 158˚ F (-40˚ to 70˚ C)
Fluid Temp. 32˚ to 200˚ F (0˚ to 93˚ C)
Pressure 200 psi (14 bar)
Flow Rate 0.5 – 4.5 m/sec (1.64 – 14.8 ft/sec) (Low flow cutoff .15 m/sec; .49 ft/sec)
0.5 – 4.5 m/s
(1.64-14.76 ft/sec)
 +/- 2% of reading
0.3 – 0.5 m/sec
(0.98 – 1.64 ft/sec)
+/- (2% of reading + 0.25% of full scale)
Display Type 128×64 dot-matrix LCD
Digits 5 Digit Rate 8 Digit Total

Please Note:
All meters are factory
set for gallons per
minute (GPM) rate and
acre foot total. If other
units are required, they
can be set in the field.

Rate Volume Units Rate Time Units Total Volume Units
Barrels (42 gallons)
Cubic Feet
Cubic Meters
Million Gallons1
Mega Liters1
Imperial Gallons
Million Imperial Gallons1
Gallons x 10
Gallons x 100
Gallons x 1000
Million Gallons
Kilo Liters
Mega Liters
Barrels (42 gallons)
Cubic Meters
Cubic Meters x 1000
Cubic Feet
Cubic Feet x 1000
Million Cubic Feet
Imperial Gallons
Imperial Gallons x 1000
Million Imperial Gallons
Acre Inch
Acre Foot
Fluid Ounce
Bidirectional Forward Total, Reverse Total, Net Total, Batch Forward, Batch Reverse2
Power 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 varies with output frequency, 150  pulses/sec max
Cable Optional Output
20ft (6m) standard length polyurethane jacketed cable—for power and outputs. (Lengths up to 200’ (60 m) available.)
Conductivity >20 microSiemens/cm
Empty Pipe Detection Hardware/software, conductivity-based
Regulatory Certified to NSF/ANSI standard 61 and NSF 372 (Stainless only with EPDM O-ring. Viton pending).
Environmental IP 67

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