Electromagnetic Digital Flow SensorFD-80 series


Main Unit 100 L/min NPN

[Discontinued model]

This model has been discontinued.

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Connection port

Rc1 (25A)

Detecting area

10 to 100ℓ/min

Zero-cut flow rate


Detection fluids

Water and non-corrosive fluid (conductivity 100 µs/cm or more)

Detection fluid temperature

0 to 60°C 32 to 140°F (no freezing)

Pressure loss

Max. 0.01 MPa

Display power

3-digit 2-color, 7-segment LED (character height: 14 mm 0.55")

Display resolution

Instantaneous flow: 0.1, integrated flow: 1

Display unit

Instantaneous flow: l/min, integrated flow: 1 l, 10 l, 100 l, 1 m3 (selectable)

Display range

5 to 110% of F.S.


Response time: 0.5 s, selection time: ±5.0% of F.S.; response time: 2 s, selection time: ±2.5% of F.S.; response time: 1 s, selection time: ±3.5% of F.S.; response time: 5 s, selection time: ±1.6% of F.S.


Instantaneous flow display: 2 s (fixed), instantaneous flow analog output/switch output: 0.5, 1, 2, 5 s (variable)

Memory backup

EEPROM (10 years or more, rewritable 100,000 times or more)

Control output/integration pulse output

Maximum NPN open-collector output: 100 mA (40 V or less), residual voltage: 1 V or less, 2 outputs (N.O./N.C. switchable)

Instantaneous flow analog output

4 to 20 mA, maximum load resistance: 350 Ω (reflects the 0-point adjustment)

Power voltage

24 VDC ± 10%, ripple (P-P): ±10% or less

Current consumption.

90 mA or less

Environmental resistance

Enclosure rating

IP65 (when the display is fixed)

Pressure resistance

1.75 MPa

Applied pressure range

0 to 0.7 MPa

Ambient temperature

0 to +50 °C 32 to 122 °F (No freezing)

Relative humidity

35 to 85 % RH (No condensation)

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z directions*2


Liquid end materials

Bore: SCS13, body: PPS, electrode: SUS316L, O-ring: fluoro-rubber

Material properties

Other parts

Case: PBT, cable: PVC


Approx. 1,311 g

*1 Flow below this number value cannot be detected. Values up to the detectable range lower limit from the value are detectable but accuracy cannot be guaranteed.
*2 When using the mounting brackets, use 10 to 55 Hz, 0.15 mm 0.006" 1 G or lower, double amplitude.

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Process Controls / Process Sensors