HR202 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, tobaccos, pharmaceutical field, meteorology, etc

Features:
Excellent linearity, low power consumption, wide measurement range, quick response, anti pollution, high stability, high performance price ratio.

Technical Specification:

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
Dimensions: with case 12*15*5mm, without case 8*10*0.7mm

Performance parameter(at 1KHz) Unit: ohm

Impedance performance ( at 1V AC  1 kHz)

Cautions:
(1) Avoid polarization, driving voltage or current should be 100% alternative.
(2) Please measure the sensor with LCR alternative current bridge, don’t use multimeter.
(3) Avoid dew condensation.
(4) Recommended storage conditions: temperature 0 – 60 Celsius; humidity <80%RH