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Measures air temperature, relative humidity, dew point temperature and wet bulb temperature
Temperature units displayed in degrees Celsius (°C) and degrees Fahrenheit (°F)
Minimum, maximum and hold functions
Easy-to-read backlit LCD screen
Low-battery indicator
Measuring range of temperature: -20 ... 70°C / -4 ... 158°F Measuring range of relative humidity (RH): 0 ... 100% RH Measuring range of dew point temperature: 20 ... 70°C / -4 ... 158°F Measuring range of wet bulb temperature: 20 ... 70°C / -4 ... 158°F Measuring accuracy of temperature: ± 1.0°C / 1.8°F Measuring accuracy of relative humidity: 45 ... 75%: ± 3.0% RH, otherwise: ± 4.5% RH Measuring accuracy of dew point temperature: ± 1.5°C / 2.7°F at 25°C / 77°F, 40 ... 70% RH Measuring accuracy of wet bulb temperature: ± 1.5°C / 2.7°F Resolution of temperature: 0.1°C / 0.18°F Resolution of relative humidity: 0.1% RH Resolution of dew point temperature: 0.1°C / 0.18°F Resolution of wet bulb temperature: 0.1°C / 0.18°F Automatic shutdown: After 15 minutes of inactivity (can be disabled) Operating temperature: -20 ... 60°C / -4 ... 140°F Storage temperature: -20 ... 60°C / -4 ... 140°F Power supply: 3 x 1.5V AAA batteries Battery life: Approx. 50 hours of continuous use at full charge Dimensions: 168 x 56 x 30.5 mm / 6.6 x 2.2 x 1.2 in Weight: 75 g /