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          5. Separate Amplifier Type Pressure Sensor
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          7. Amplifier Unit NPN

          Separate Amplifier Type Pressure SensorAP-40 series

          Amplifier Unit NPN


          [Discontinued model]

          This model has been discontinued.

          Compliance with the certification standard is ensured as of the time of shipment from our company.

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          Zero shift type, NPN

          Applicable sensor head

          AP-41, AP-41M, AP-43, AP-44, AP-48

          Rated pressure

          -15 to +110 % of F.S.


          3 1/2-digit, 2-color, 7-segment LED (Character height: 11 mm 0.43"), 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-44/48: 0.2 kPa, 2 mmHg, 0.1 inchHg, 0.002 bar

          Display temperature characteristic

          ±1.0 % 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 open-collector: 100 mA max. (40 V max.),
          Residual voltage: 1 V max. 2-output (N.O./N.C. selectable)

          Analog voltage output

          1 to 5 V*2


          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 32 to 122 °F (No freezing)

          Relative humidity

          35 to 85 % RH

          Vibration resistance

          10 to 55 Hz, Double amplitude 1.5 mm 0.06", 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 6.6' 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)
          *2 The AP-48 is only compatible with the AP-40RA. It cannot be used with an analog output amplifier.

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          Process Controls / Process Sensors