Possibility to visualize Celsius or Fahrenheit temperature valuesBattery operation life over 1 yearLow battery charge indicationDifferential 0. 5KDifferential values are referred to a thermal gradient of 4K/h. Maximum ambient temperature 45 °CDimensions 135 x 83 x 21mmProtection degree IP20Display lock function for cleaningPollution degree 2Software A ClassDouble insulationElectric featuresPower supply with two 1,5V AAA alkaline long life batteriesMicro disconnection 1BVoltage-free switching contactContact rating 5(3)A 250V~Max impulse voltage 4000V
