Separate Amplifier Type Pressure SensorAP-40 series


Amplifier Unit NPN


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Zero shift focus type


NPN output


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

Applicable sensor head

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

Detectable pressure range

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

Display resolution

0.1 kPa [AP-41/41M], 0.001 Mpa [AP-43], 0.2 kPa [AP-44/48]*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)

Analogue voltage output

1 to 5 V*2

Temperature fluctuation for display

±1.0% max. of F.S.


With supplied mounting bracket (2 types) or optional panel mounting bracket*3

Current consumption

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

Power supply

12 to 24 VDC ±10%, Ripple (p-p): 10% max.

Environmental resistance

Ambient temperature

0 to 50°C

Relative humidity

35 to 85%

Shock resistance

100 m/s2 in X, Y, and Z directions, 3 times respectively


10 to 55 Hz, 1.5 mm double amplitude in X, Y, and Z directions, 2 hours respectively

Housing material

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 Refer to the following table for the resolution in the zero-shift focus mode of the AP-40RA.
Display range: ±19.9% from the middle of the shift input value (within the sensor head rating)
Display resolution: 0.01 kPa [AP-41/41M], 0.1 kPa (0.0001 Mpa) [AP-43], 0.02 kPa [AP-44/48]
*2 The AP-48 is only compatible with the AP-40RA. It cannot be used with an analogue output amplifier.
*3 Optional panel mounting brackets: OP-31357 (black), OP-32808 (gray) and OP-42192 (for a 5 mm-thick panel)

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