Separate Amplifier Type Pressure Sensor

AP-40 series

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This model has been discontinued.

Amplifier Unit NPN AP-40Z

AP-40Z - Amplifier Unit NPN

  • CE Marking





Amplifier, NPN

Applicable sensor head

AP-41, AP-43, AP-44

Rated pressure

-15% to +110% of F.S.


3 1/2-digit, 2-colour, 7-segment LED (Character height: 11 mm), Display cycle: 5 times/sec.

Display resolution

AP-41: 0.1 kPa, 1 mmHg, 0.1 inchHg, 0.001 bar
AP-43: 0.001 MPa, 0.01 kgf/cm2, 0.2 Psi, 0.01 bar
AP-44: 0.2 kPa, 2 mmHg, 0.1 inchHg, 0.002 bar

Display temperature characteristic

±1.0 % max. of F.S.


With supplied mounting bracket (2 types) or optional panel mounting bracket*1

Response time (Chattering prevention function)

2.5/5/100/500 msec


Zero-shift input

Input time: 20 ms or more

Control output

NPN: 100 mA max. (40 V max.),
Residual voltage: 1 V max. 2-output (N.O./N.C. selectable)


Power voltage

12 to 24 VDC ±10 %, Ripple 10 % or less

Current consumption

105 mA (12 V), 55 mA (24 V) (including sensor head)

Environmental resistance

Ambient temperature

0 to +50 °C (No freezing)

Relative humidity

35 to 85 % RH (No condensation)

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each of the X, Y, and Z axis

Shock resistance

100 m/s2, 3 times in each of X, Y and Z axis


Front housing: Polyamide, Front panel sheet: PET, Rear housing: Polysulfone, Cable: Oil-proof cabtyre cable


80 g (including 2 m cable) (28 g without cable)

*1 Optional panel mounting brackets: OP-31357 (black), OP-32808 (gray) and OP-42192 (for a 5 mm-thick panel)

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