Dew Point Meter HD600 Widely used in workshops, offices, factories, libraries, computer stations, laboratories and warehouses. Applicable to pharmaceutical, packaging, textile, cigarette, electronic manufacturing and other industries. Features Adopt digital signal sensing technology, good measurement repeatability, fast response and high sensitivity . Digital display with back light gives exact and clearly reading although you stay at the somber conditions. Able to measure Humidity, Temperature, Wet Bulb Temperature, Optional USB or Blue Teeth Data hold function. Low battery alert. SPECIFICATION Display:10mm Dispaly Parameters Measured: Humidity and Temp, Wet Bulb Temp, Dew Point Temperature Dew Point Temp. range: -40 C~40 C (-40 F~104 F) Dew Point Temp. resolution: 0.1 C Dew Point Temp. accuracy: ±1 C R.H range: 5-98% R.H resolution: 0.1RH% R.H accuracy: 2.5RH% Temp range: -20 ~60 (-4~140 ) Temp resolution: 0.1 /0.1 Temp accuracy: 0.5 Wet Bulb Temp range:-20 ~60 (-4~140 ) Wet Bulb Temp resolution: 0.1 /0.1 Wet Bulb Temp accuracy: 0.5 Sampling Time: less than 0.5s Power supply: 4x1.5 AAA size (UM-4) battery Dimensions: 185mm 70mm 30mm Weight: 125g (not including batteries)