Extech 2-in-1 Psychrometer with Infrared Thermometer, -50 to 500�C, 30:1 Distance-to-Spot Ratio, includes 9V Battery and Pouch

Built-in InfraRed Thermometer for non-contact temperature measurement to 932�F (500�C). Min/Max, Data hold and Auto power off functions Built-in USB port IR Thermometer: 30:1 distance to target ratio. Type K Thermometer for contact temperature measurement to 2501�F (1372�C). Large triple LCD backlit display. 2% RH accuracy Specifications Dew Point -68 to 60 �C (-90.4 to 140 �F) Wet Bulb -6.88 to 140 �F (-21.6 to 60 �C) Temperature (Type K) -148 to 2501 �F (-100 to 1372 �C) Relative Humidity Accuracy �2% Temperature (Air) 14 to 140 �F (-10 to 60 �C) Certifications CE IR Temperature Range (Metric) -50 to 500 �C IR Temperature Range (Imperial) -58 to 932 �F IR Temperature Resolution �2% or �4�F/2�C Distance to Target Ratio 30:1 Targeting Dual Laser Temperature (Air) Accuracy �(2% �4�F/2 �C) Weight 350g Power 1 � 9V battery Relative humidity 0 to 100% Dimensions 255 � 75 � 50mm