Separate Amplifier Type Air Flow SensorFD-V40 series


Sensor Head, Air/Nitrogen Detection Type, 600 L/min


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For air or nitrogen (N2)

Detection range

18 to 600ℓ/min (std)*1

Zero-cut flow rate

18ℓ/min (std)

Fluid type

Air, nitrogen (N2)

Detectable fluids

Clean gas that does not contain dust or oil mist (When compressed air is used, air that conforms to ISO class of 1.1.2 through 1.6.2 is allowable)*2

Detectable fluid temperature

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

Connection bore diameter

Rc (PT) 1/2

Display power

Flow rate indicator --- Green LED (x4). Output indication --- Red LED

Environmental resistance

Pressure resistance

1.0 MPa

Withstand pressure

-0.07 to 0.7 MPa

Ambient temperature

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

Relative humidity

10 to 85 % RH (No condensation)

Vibration resistance

10 to 55 Hz, Double amplitude 0.75 mm 0.03", 3 hours in each of the X, Y, and Z axis*3

Shock resistance

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


Measuring pipe section : Aluminum, SUS303, SUS304, polyetherimide, Fluorocarbon rubber, SiliconPiping section : Diecasting aluminum alloy, Case: Polysulfon, PBT


Head connector x 1


Approx. 190 g (including 3-m connector cable)

*1 Converted value assuming the integrated flow quantity under the conditions of 20°C 68°F at 1 atmospheric pressure 101.3 kPa.
*2 Quality grade of compressed air based on the ISO8573-1Water content values shown in the bracket indicates the dew point temperature at atmospheric pressure.E.g. The “Class 1.2.3” indicates the rating of 0.1 µm 0.004 Mil of the solid particle. –40°C -40°F of dew point under the pressure and 1 mg/m3 oil density.
*3 While the FD-B03 is used, is 0.45 mm 0.02".

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Process Controls / Process Sensors