Your Source for Process Measurement & Control
Product Groups
Electromagnetic Low Flow Meter
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers
  • No Moving Parts
  • No Flow Obstructions
  • Maintenance-Free
  • Fast Response Time (< 500 ms)
  • Minimal Straight Pipe Requirements
 Manuals (contact with email : [email protected])


The FMG70B Series from trodeksis a trio of extremely compact, lowcost, inductive magnetic flowsensors. This product lineallows a unique and highly reliablemeasuring technique to beintroduced into areas of processcontrol previously considered notpossible.

Changes of temperature, density,viscosity, concentration or electricalconductivity (minimum conductivityof 50 µs/cm) of the fluid do notaffect the output signal.

FMG70B series can be used inareas where flow sensors withmoving parts e. g. paddle wheelsensors, cannot be applied due tocontamination/particulate in themedia. The sensor is intended forcontinuously measuring of flowrates or for dosing/batching ofelectrically conductive liquids(minimum conductivity 50 S/cm).The output signal frequency (orcurrent) is proportional to the flow.Two options are available foroutput signals, frequency oranalog (-A models).

Materials of Construction
Electrodes and Process Connection:Stainless steel 316 TI
Measuring Pipe: PEEK-GF30
Gasket: EPDM
Housing: Cast Aluminum
Accuracy: ±1.5% of reading ±0.3% range
Repeatability: 1%
Minimum Conductivity: 50 µs/cm
Maximum Liquid Temperature:90°C (194°F)
Ambient Temperature: 5 to 70°C(41 to 158°F)
Maximum Pressure: 16 bar (232 psi)
Flow Indication: LED green, flowproportional blinking
Frequency: Square wave signal NPN,internal pull-up resistor 2 kΩ pulse dutyratio 50:50
Signal Current Maximum: 20 mA,current limited
Response Time: <500 mS
Electrical Connection: Plug connectorM12 x 1
Power Supply: 24 Vdc ±10%
Current Consumption:Maximum 150 mA
Electrical Protection: Measuresshort-circuit proof (up to 30V) andpolarity protection (up to -30V)
Protection Class: NEMA 4X (IP65)
Flow Range:
    FMG71B: 0.5 to 30 LPM(0.13 to 7.93 GPM)
    FMG72B: 1 to 60 LPM(0.26 to 15.85 GPM)
    FMG73B: 5 to 250 LPM(1.32 to 66 GPM)
Analog Output Signal (“-A” Models)4 to 20 mA (0 to Full Scale):
    Current Limitation: 26 mA approx.
    Maximum Load: 250 Ω to GND
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