2.1.height above sea level:≤3000m
2.2.Air temperature: -40℃~+50℃
Maximum diurnal temperature difference:≤25 ℃
2.3.Relative humidity:Daily mean 95% monthly average 90%
2.4.Maximum wind speed:≤34m/s
2.5.Earthquake intensity:<8 degree
2.6.Icing thickness: <10mm
2.7.Thickness of snow: <35mm
2.8.Irradiance: <0.1W/cm2
2.9.Pollution grade:Ⅲ class、Ⅳclass
2.10.Installation site:No fire disaster, explosion danger, chemical corrosion and frequent
strenuous vibration places
Hydropower station #1
Factory and mining enterprises #2
Ring network power supply #3
Petrochemical Enterprises #4