Altitude up to 2000m;
Ambient medium temperature should be within -5℃ to +40℃ (+45℃ for marine products);
It can withstand the effect of damp air;
It can withstand the effect of salt fog or oil mist;
It can withstand the effect of moulds;
It can withstand the effect of nuclear radiation;
The max inclination is 22.5℃.
It still can work reliably when the ship subjects to normal vibration;
It can still work reliably if the product subjects to the earthquake (4g).
Places where the surrounding medium is free from explosion danger, and far away from gas or conductive dust that would erode
the metal or destroy the insulation;
Keep away from rain or snow.