It used to record the ambient temperature and relative humidity in appointed time on a graphical chart. It is available to set recording through 1-7-31 days. 55 pcs of graphic papers, 3 pcs marking pen and 1 pcs of battery are given as a Standard.
Humidity Recording Range: 10…100 % rH
Humidity accuracy: 3%
Humidity resolution: 2
Temperature measuring gap: -30…40 °C
Temperature accuracy: ±1, 5 C°
Temperature resolution: 2