Optimum reference value of ambient temperature for pointer-type dry-wet thermometer.

1, the most suitable environment for human body: temperature 15-25 degrees, relative humidity 45%RH-75%RH.

2. Living environment: 40%RH-70%RH.

3. Libraries, art galleries and museums: 40%RH-60%RH.

4. Computer room and communication room: the relative humidity is 45%-60%.

5. Storage of clothes and cotton and wool textiles: 40%RH-60%RH.

6. Storage of dairy products: 50%RH-60%RH

7. Fruit storage: 60% relative humidity -70% relative humidity

8. The most favorable environment for disease prevention and control: 30%RH-50%RH.