The use of small vacuum freeze drier conditions

The use of small vacuum freeze drier conditions:
1, the normal working conditions of ambient temperature: 10 ℃ ~ 30 ℃
relative humidity: & le; :
70% supply voltage single-phase 220 v & plusmn; 10% of 50 hz
working environment should be: horizontal, without conductive dust, explosive, corrosive gas and strong electromagnetic interference.
2, transport, storage conditions: temperature: - 35 ℃ ~ 50 ℃
relative humidity: & le;
93% storage environment should be well ventilated, no corrosive gas.
3, safety classification of class B type I.