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1125_0 Phidget Humidity/Temp. Sensor, 1125


This board combines an ambient temperature sensor and a humidity sensor and connects to two Analog Inputs or VINT Hub ports.


Measures Relative Humidity from 10% to 95% with a typical error of ±2%RH at 55% RH.

Measures Ambient Temperature in the range of -30°C to +80° C with a typical error of ±0.75°C in the 0°C to 80°C range.

The temperature sensor component is rated at -40°C to +100°C, but the other components on the board, the connector and the cable are rated at -30°C to +80°C. In a fast prototyping environment the temperature sensor board can be pushed to the ratings of the sensor component, but you should use the lower temperature ratings if you plan to use the 1125 in a commercial application.

Includes two 60cm sensor cables.


Sensor Properties

Sensor Type

Temperature/Humidity (Ambient)

Controlled By

VoltageRatio Input

Sensor Output Type


Temperature Sensor

Ambient Temperature Min

-30 °C

Ambient Temperature Max

80 °C

Ambient Temperature Resolution

0.2 °C

Temperature Error Typical (At 25°C)

± 0.5 °C

Ambient Temperature Error Max

± 2 °C

Humidity Sensor

Humidity Min

10 %RH

Humidity Max

95 %RH

Humidity Resolution

0.4 %RH

Humidity Error Typical

± 3 %RH

Humidity Error Max

± 5 %RH

Humidity Response Time Max

10 s

Electrical Properties

Supply Voltage Min

4.8 V DC

Supply Voltage Max

5.3 V DC

Current Consumption Max

3.9 mA

Output Impedance

1 kΩ

Physical Properties

Operating Temperature Min

-30 °C

Operating Temperature Max

80 °C