Service condition

a) Ambient air temperature:? -25℃- +40℃.

b) Altitude not exceed 2000m

c)Humidity:

-Relative humidity: daily mean not higher than 95℃,monthly mean not higher than 90℃;

-Aqueous vapor pressure: daily mean not exceed 2.2 KP, monthly mean not exceed 1.8 KP

Ambient air should not be obviously polluted by corrosive or flammable gas or vapor;

C)Free of frequent severe vibration; When running, angle of inclination between installation surface and horizontal plane should not exceed 5℃.