This product is a portable humidity and temperature indicator that can accurately measure humidity and temperature.
The document serves as an instruction manual for the Rotronic GT-Series of portable instruments, which were used to measure humidity and temperature. The series includes three specific models: the GT-L for ambient conditions, the GT-S for measuring equilibrium relative humidity in paper stacks, and the GT-P for granulated and powder products. The text notes that this entire series was discontinued in 1991.
| Power Source | Standard 9-volt battery or rechargeable battery |
|---|---|
| Display Type | 3 digit, LCD type |
| Temperature Element | Pt100 |
The indicators are ready to use 10 seconds after turning on.
The use of alkaline batteries is recommended for longest operation between battery replacement.
It is recommended to check calibration at least once a year.