Ambient air temperature: upper limit +40℃ lower limit -15℃;
Altitude: ≤2000m (if the altitude needs to be increased, the rated insulation level will be increased accordingly);
Amplitude: earthquake intensity does not exceed 8 degrees;
The daily average relative humidity of the air is not more than 95%, and the monthly average is not more than 90%;
There is no fire and explosion danger, serious pollution, chemical corrosion and severe vibration.