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Digital Pressure Sensor with 2-Color DisplayAP-C40 series

Amplifier Unit, Main Unit, PNP


[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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Amplifier Unit, PNP

Applicable sensor head

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


4 1/2-digit, 2-color, 7-segment LED (Character height: 4.5 mm 0.18"), AI indicator (green) Display cycle: 10 times/s

Operation indicator

Red LED × 2 (corresponding to control output 1 and control output 2)

Display resolution

AP-41M/41/44: Standard mode 0.1 inchHg, High-resolution/Focus mode 0.01 inchHg
AP-43: Standard mode 0.01 kgf/cm2, High-resolution/Focus mode 0.02 Psi

Power consumption


12 V: 840 mW (70 mA) max., 24 V: 1,200 mW (50 mA) max.

Display temperature characteristic

±1 % of F.S. or less


Standard mode: 0.5 % of F.S., high-resolution mode: 0.1 % of F.S., hysteresis variable mode (F-2): variable

Response time (Chattering prevention function)

1/2.5/5/100/500 ms (selectable; 1 ms is used when high-speed mode is selected)


Analog output

1 to 5 V, output impedance: 1 kΩ or less (switchable with zero shift input)

Zero-shift input

Input time: 2 ms or more (switchable with analog output)

Control output

Maximum PNP open-collector output: 100 mA (30 V or less), residual voltage: 1 V or less, 2 outputs (N.O./N.C. switchable)*1


Power voltage

12 to 24 VDC ±10 %, Ripple (P-P) 10 % or less

Power consumption

Eco mode

12 V: 600 mW (50 mA) max., 24 V: 960 mW (40 mA) max.

Environmental resistance

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




Mounting bracket, head connection connector


Approx. 80 g (with 2 m cable)

*1 20 mA or less when extended

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Process Controls / Process Sensors