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1139_0 Differential Gas Pressure Sensor 100 kPa, 1139


This differential air pressure sensor plugs into an Analog Input or VINT Hub port and measures pressure from 0 kPa to 100 kPa.


The 1139 Differential Pressure Sensor is a dual ported air pressure sensor that measures the pressure difference between the two ports. It can measure pressure from 0 kPa to 100 kPa.

Sensor Properties

Sensor Type

Gas Pressure (Differential)

Sensor Output Type


Pressure Differential Min

0 Pa

Pressure Differential Max

100 kPa

Case Pressure Max

400 kPa

Pressure Resolution

111 Pa

Measurement Error Max

± 2.5 %

Warm-up Time

20 ms

Response Time Max

1 ms


Electrical Properties

Supply Voltage Min

4.8 V DC

Supply Voltage Max

5.3 V DC

Current Consumption Max

10 mA

Output Impedance

1 kΩ

Output Voltage Min

250 mV DC

Output Voltage Max

4.8 V DC


Physical Properties

Operating Temperature Min

-40 °C

Operating Temperature Max

125 °C

Recommended Tubing Size




This sensor is designed to measure the pressure of clean, non-condensing air. Contact with moist air (i.e, human breath), dusty air, or other gases can damage the sensor.