Battery Powered Insertion Magnetic flow meters EX90

Description

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.

Features

  • 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

APPLICATIONS

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

Specificaition

Pipe Size4” to 12”
MaterialsSensor Body316 SS
ElectrodesHastelloy
HousingPowder-coated diecast aluminum
Electrode CapPVDF (Kynar®)
O-RingEPDM
TemperatureOperating10? 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)
Pressure200 psi (14 bar)
Flow Rate0.5 – 4.5 m/sec (1.64 – 14.8 ft/sec) (Low flow cutoff .15 m/sec; .49 ft/sec)
Calibration
Accuracy
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)
DisplayType128×64 dot-matrix LCD
Digits5 Digit Rate8 Digit Total
Units

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 UnitsRate Time UnitsTotal Volume Units
Gallons
Liters
Barrels (42 gallons)
Cubic Feet
Cubic Meters
Million Gallons1
Mega Liters1
Imperial Gallons
Million Imperial Gallons1
Second
Minute
Hour
Day
Gallons
Gallons x 10
Gallons x 100
Gallons x 1000
Million Gallons
Liters
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
BidirectionalForward Total, Reverse Total, Net Total, Batch Forward, Batch Reverse2
PowerOne lithium 7.2V ‘D’ size battery pack, replaceable.
 Scaled Pulse OutputSignalCurrent sinking pulse, isolated, 36 Vdc at 10 mA max
Pulse RatesUser-scalable from 0.1 to 99,999.9 volume units/pulse. Pulse width varies with output frequency, 150  pulses/sec max
CableOptional Output
Cable
20ft (6m) standard length polyurethane jacketed cable—for power and outputs. (Lengths up to 200’ (60 m) available.)
Conductivity>20 microSiemens/cm
Empty Pipe DetectionHardware/software, conductivity-based
RegulatoryCertified to NSF/ANSI standard 61 and NSF 372 (Stainless only with EPDM O-ring. Viton pending).
EnvironmentalIP 67

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author

Rudy Wiratama

rudywinoto.com/wmablog.com/flowmasonic.com

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