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Attention:

If signal from RHT02 is always high-voltage-level, it means RHT02 is not working properly, please check

the electrical connection status.

7. Electrical Characteristics:

Items

Condition

Min

Typical

Max

Unit

Power supply

DC

3.3

5

6

V

Measuring

1

1.2

1.5

mA

Current supply

Stand-by

40

Null

50

uA

Collecting

period

Second

2

Second

8. Attentions of application:

(1) Operating and storage conditions

We don't recommend the applying RH-range beyond the range stated in this specification. The RHT02 sensor

can recover after working in abnormal operating condition to calibrated status, but will accelerate sensors' aging.

(2) Attentions to chemical materials

Vapor from chemical materials may interfere RHT02's sensitive-elements and debase RHT02's sensitivity.

(3) Disposal when (1) & (2) happens

Step one: Keep the RHT02 sensor at condition of Temperature 50~60Celsius, humidity <10%RH for 2 hours;

Step two: After step one, keep the RHT02 sensor at condition of Temperature 20~30Celsius, humidity

>70%RH for 5 hours.

(4) Attention to temperature's affection

Relative humidity strongly depend on temperature, that is why we use temperature compensation technology

to ensure accurate measurement of RH. But it's still be much better to keep the sensor at same temperature when