Separate-amplifier type digital flow sensor

FD-V70 series

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Sensor Head, PFA Type, 20 L/min FD-F20

FD-F20 - Sensor Head, PFA Type, 20 L/min

*Please note that accessories depicted in the image are for illustrative purposes only and may not be included with the product.

Data Sheet (PDF)


CAD Data

360°view (3D PDF)

  • CE Marking




Display power

Flow indicator: Green LED, Error indication: Red LED

Detecting area

2 to 20 L/min

Detection fluids

Liquid (liquid that does not corrode PFA)*1

Detection fluid temperature

0 to +100°C 32 to 212°F (No freezing, no boiling)*2

Connection port

ø1/2 inch (12.7 mm)

Environmental resistance

Enclosure rating


Pressure resistance

0.7 MPa

Ambient temperature

0 to +60 °C 32 to 140 °F (No freezing)

Relative humidity

5 to 80 % RH (No condensation)

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm 0.06", 3 hours in each of the X, Y, and Z directions

Shock resistance

300 m/s2, 10 times in each of X, Y and Z axis, 60 times in total


Piping: New PFA Case: Polysarfun


Sensor head connector: 1, mounting brackets: 2


Approx. 140 g (including 3-m connector cable)

*1 If the viscosity of the liquid is too high, measurement cannot be performed. Refer to the "Accuracy warranted detection range" table as shown below.
*2 If freezing occur inside piping, the sensor head will possibly become damaged.

Data Sheet (PDF) Other Models