1. The function of different test conditions, such as high temperature, low temperature, constant temperature and constant humidity, can be used separately.
2. Full function fault indication contains overtemperature, low water level, test end, compressor overloading and so on.
3. The accurate timing and the accumulator can make the operator know the test time.
4. Including P.I.D value, lock, temperature bar fault detection, upper, lower, lower, limit alarm, touch type work.