EXTECH RHT510 Hygro-Thermometer Psychrometer

Temperature (Air): 0 to 50°C; 0.1°; ±1.2°C
Temperature (Type K): -100°C to 1300°C; 0.1°; ±0.4% + 1°C
Relative Humidity: 10 to 95%RH 0.1%RH ±4%RH
Wet Bulb: -5.4 to 49.0°C; 0.1°; calculated
Dew Point: -25.3 to 49.0°C; 0.1°; calculated
Dimensions: 6 x 2.3 x 1" (153 x 58 x 25mm)
Weight: 5.6oz (160g)
Unit included: wrist strap, general purpose Type K bead wire Temperature probe, three AAA batteries, Manual
Optional: TR100 Tripod

Datasheet