Portable Digital AH-192D Humidity Meter High Resolution Dew Point Meter   Product Description   Widely used in workshops, offices, plantes, libraries, computer stations, laboratories and warehouses.   Product Feature   * Used the exclusive MICRO-COMPUTER LSI circuit and crystaltime base to offer the high accuracy measurement & fast measuringtime. * Digital display gives exact reading with no guessing or errors. * Wide measuring range & high resolution. * The  Last Values / Max. Values / Min. Values  of  both  Humidity  andTemperature will be  automatically  stored  in  memory  and  can  bedisplayed by turn. * The use of  durable,  long-lasting  components,  including  a  strong,light weight ABS-plastic housing assures maintenance free performance  for many  years.  The housing has been carefully shaped to fit comfortably in either hand. * Use USB data output with connection PC. * Provide Bluetooth dataoutput choice.   Product Parameters   Measuring Range Dew Point Temperature: -40°C~40°C (-40°F~104°F) Temperature: -10~60 °C (14~140 °F) Wet Bulb Temperature: -10°C~60°C (14°F~140°F) Humidity: 10~95 %RH Resolution Dew Point Temperature: 0.1°C Temperature: 0.1°C / 0.1°F Wet Bulb Temperature: 0.1°C / 0.1°F Humidity: 0.1%R.H Accuracy Dew Point Temperature: ±1°C Temperature: ±0.5°C Wet Bulb Temperature: ±0.5°C Humidity: 2.5 %±1%R.H Sensor Type Humidity: Capacitor Temp. Resistance Sampling Time 0.4 Seconds Memory Last Value, Max. Value, Min Value Time Base Quartz Crystal Operating Conditions Temperature : 0~50°C Humidity: below 90% RH Power Supply 4X1.5v AAA  ( UM-4 Battery ) Size 140x70x30mm Weight 145g / 0.32lb (Not including Batteries)     Standard Accessories Main Unit Carrying Case Operation Manual Operation Accessories USB data output Bluetooth data output Price Terms︰ FOB Shenzhen Payment Terms︰ TT/Western Union/Paypal Packing︰ Export carton Lead Time︰ 3 days Product Image