Extech Dual Backlit Display Precision Psychrometer, -30 to 100�C, 0 to 100%RH

Fast response time (<30 seconds) Dual backlit display Simultaneous display of: Humidity/Temperature, Humidity/Dew Point or Humidity/Wet Bulb Data Hold and Min/Max functions Specifications Max Resolution 0.1%RH, 0.1�F/�C Wet Bulb 32 to 176 �F (0 to 80�C) Dewpoint 22 to 199�F (-30 to 100�C) Temperature -22 to 199�F (-30 to 100�C) Humidity 0 to 100%RH Accuracy �2%RH, �1.8�F/1�C Weight 7oz (200g) Dimensions 7.8x1.7x1.3in(200x45x33mm) Items Included carrying case 9V battery