The entire instrument is placed in an independent plastic case, which is easy to open and carry out hand-cranked temperature and humidity tests. The instrument is equipped with three sets of conversion rulers. After obtaining stable temperature and humidity values, you can query the Relative Humidity and dew point temperature through the comparison ruler. Instrument configuration Celsius and Fahrenheit temperature conversion.
- Easy to operate
- Kerosene thermometer is mercury-free
- °C or °F
- The instrument can test dry bulb temperature, wet bulb temperature, Relative Humidity (RH%) and dew point temperature

A: cover
B: Cotton core
C: Wet bulb thermometer
D: dry bulb thermometer
E: Hand pump body
F: Pump tube
G: inner window
H: outer window