Product packaging: color box 

Product weight: 34G(with package)

Product size: diameter 7.5cm * 1.8cm

Product color: white, yellow and green

Temperature and humidity meter is widely used in family, laboratory, breeding industry, instrument workshop, library, hospital, computer room, etc. Especially with the continuous improvement of people's living standards, air conditioning heating into the family, hotels, restaurants, measurement of environmental temperature and humidity is more important.

Measuring range:

   The temperature - 20 ℃ to 50 ℃
   humidity 10% RH to 90% RH
Technical indicators:

   The temperature Under 10 ℃ plus or minus 1.5 ℃     Below 10 ℃ and 25 ℃ + / - 1 ℃    More than 25 ℃ plus or minus 1.5 ℃
   humidity Below 40% RH + / - 7% RH   Below 40% RH to 75% RH + / - 5% RH   More than 75% RH + / - 7% RH

Reference value of environmental temperature and humidity:

★ suitable environment for human body: temperature 15℃~25℃, relative humidity 40%RH~75%RH

★ living environment: 40%RH~70%RH

★ library, art gallery, museum: 40%RH~60%RH

★ computer room, communication room: 45%RH~60%RH

★ clothing, cotton and wool textiles storage: 40%RH~60%RH

★ dairy storage: 50%RH~60%RH

★ fruit storage: 60%RH~70%RH

Tuning method (suitable for pointer type thermohygrometer series)

Cover the back of the hygrometer with a wet towel or cover the entire hygrometer for about 30 minutes. The hygrometer should show a humidity reading of 95 h. If the pointer fails to point to 95 h, use a suitable screwdriver on the back or open the rear cover.

 Iii. Precautions and maintenance:

 1. The temperature and humidity clock should be placed in a well-ventilated place, avoid installing it on the wall with direct sunlight and the air outlet of the air conditioner. It can indicate the correct reading after 30 minutes. 2. The temperature and humidity meter shall not be exposed to rain and shall not be installed in the gas environment that corrodes the copper body 4. Suitable humidity for crops: 22℃~32℃ 5. Users can compare the temperature and humidity data displayed by this product with the temperature and humidity data of various commodities provided below, so as to provide scientific basis for your storage.