EXTECH HD500 Psychrometer with InfraRed Thermometer

The EXTECH HD500 Psychrometer with InfraRed Thermometer combines the functions of a humidity meter, Type K thermometer, and IR thermometer with laser spot for non-contact surface temperature readings. Measurements are displayed on a large triple LCD backlit display. EXTECH HD500 Psychrometer with InfraRed Thermometer Additional Features: This 3-in-1 meter measures Relative Humidity (0 to 100 percent RH), Dew Point (-90.4 to 140 degrees F/-68 to 60 degrees C), and Wet Bulb (-6.88 to 140 degrees F/-21.6 to 60 degrees C). The HD500 also has an IR thermometer with laser spot for non-contact temperature scans -58 to 932 degrees F (-50 to 500 degrees C) with 30:1 distance to target ratio. A built-in Type K Thermometer measures air and contact surface temperature from -148 to 2501 degrees F (-100 to 1372 degrees C). Auto Power Off to conserve battery life. EXTECH HD500 Psychrometer & Thermometer Specifications: Specifications Range Basic Accuracy InfraRed Thermometer -58 to 932°F (-50 to 500°C) ±2% or ±4°F/2°C Distance to Target Ratio 30:1 Type K Temperature -148 to 2501°F (-100 to 1372°C) ±(1% 1°C) Air Temperature 14 to 140°F (-10 to 60°C) ±(2% ±4ºF/2°C) RH Range 0 to 100%RH ±2%RH Dew Point -90.4 to 140°F (-68 to 60°C) Wet Bulb -6.88 to 140°F (-21.6 to 60°C) Dimensions 10 x 2.9 x 2″ (255 x 75 x 50mm) Weight 12.3oz (350g)