... Also the evaporation absorbs the heat and decreases the temperature, improves the relative humidity and reduces the dust. 2. Work EnvironmentVoltage ... please limited at the ±10% range on the nameplate.Ambient temperature --- -0 °C~ 50 °CHumidity --- 85% maximum ... heat treatment, casting glass, mist plating, electronics, chemical and metallurgical, leather toys, home appliances, as well as Tobacco ...