Ultra-compact Digital Pressure Sensor

AP-C30 series

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Main Unit, Negative-pressure Type, -101.3 kPa, PNP AP-C31WP

AP-C31WP - Main Unit, Negative-pressure Type, -101.3 kPa, PNP

*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
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Negative pressure

Rated pressure

0 to -101.3 kPa

Fluid type

Air or non-corrosive gases

Type of pressure

Gauge pressure


3 1/2-digit, 2-color, 7-segment LED (Character height: 11 mm), Display cycle: 10 times/s

Operation indicator

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

Display resolution

Normal mode: 0.1 kPa, Focus mode: 0.01 kPa

Power consumption


12 V: 720 mW (60 mA) or less, 24 V: 960 mW (40 mA) or less*1

Display temperature characteristic

±1 % of F.S. max.


Variable (Standard: 0.5 % of F.S.)*2

Response time (Chattering prevention function)

2.5, 5, 100, or 500 ms (selectable)


Analogue output

1 to 5 V with load impedance of 1 kΩ max. (or zero-shift input selectable)

Zero-shift input

Input time: 2 ms or more. (or analog output selectable)

Control output

PNP open collector 100 mA max. (at 30 V or below) with max. residual voltage of 1 V, 2 outputs (NO or NC selectable)

Pressure port

Rc (PT) 1/8 180 ° rotation


Power voltage

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

Power consumption

Eco mode

12 V: 480 mW (40 mA) or less, 24 V: 720 mW (30 mA) or less*1

Environmental resistance

Pressure resistance

500 kPa

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 directions


Front housing: Polysulfone, Rear housing: PBT, Front seat: Polycarbonate, Pressure port: Zinc die-casting


Power supply cord (2-m with connector)


Approx. 30 g (without cable) /Approx. 85 g (with 2-m cable)

*1 Excluding the current for analog output Including the current for the sensor head
*2 A standard of 0.2 % of FS applies while in focus mode.

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