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Humidity sensor HR31


We recommend you to place the order in our new online store:


HR31 is a new kind of humidity-sensitive resistor made from organic macromolecule materials, it can be used in
occasions like: hospitals, storage, workshop, textile industry,  etc.

Operating range:               humidity(20-95%RH)  temperature(0-60Celsius)

Power supply:                 1.5V AC(Max sine)

Operating frequency:            500Hz-2kHz

Rated power:                  0.2mW(Max sine)

Central value:                 31kΩ(at 25Celsius, 1kHz ,1V AC, 60%RH)       

Impedance range:              19.8-50.2kΩ (at 25Celsius, 1kHz ,1V AC, 60%RH)    

Accuracy:                    +-5%RH

Hysteresis:                    +-1%RH

Long-term stability:             +-1%RH/year

Response time:                 <10s




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  • Model: SEN023
  • Shipping Weight: 10g
  • 0 Units in Stock