EXTECH RH401 Digital Psychrometer + InfraRed Thermometer

Humidity: 10 to 90%RH /0.1% RH /±3% RH

Temperature (air): -20 to 50°C /0.1° /±1°C

Temperature (IR) : -40 to 932°F (-40 to 500°C)

Dew Point: -90.4 to 122°F (-68.0 to 49.9°C)

Wet Bulb: -6.9 to 122°F (-21.6 to 49.9°C)

Dimensions 9 x 2.2 x 1.7" (230 x 57 x 44mm)

Weight 5.3oz (153g)

complete with 4 AAA batteries and carrying case

Manufacture: Extech USA

Datasheet

Manual