! Ambient temperature: -10ºC to +40ºC
! Relative humidity: Daily average ≤ 95%, Monthly average ≤ 90%
! Earthquake intensity: Not exceeding 8 degrees
! Saturated vapor pressure: Daily average ≤ 2.2kPa, Monthly average ≤ 1.8Kpa
! Height above sea level: ≤ 1000m (except special requirements)
! Installation: Areas without fire, explosion, serious filth, chemical erosion, or violent vibration.