Ambient temperature Do Not exceed 40 oC and the average temperature, measured over a period of 24 hours, Do Not exceed 35 oC. 1.Working ConditionsAmbient temperature Do Not exceed 40°c and the average temperature, measured over aperiod of 24 hours, Do Not exceed 35°c.Ambient temperature should not be below -5°c.Should not be installed above 2000m above sea level.The humidity should not exceed 50% ...