<p>This instrument can be widely used for laboratory, industrial, technical testing and other applications; and exclusively for measuring humidity, air temperature, wet bulb temperature and dew point temperature.</p> <p>Features:</p> <p>Measure temperature and humidity, wet bulb and dew point temperature.</p> <p>Large LCD display with backlight, easy and clear for reading.</p> <p>High accuracy and fast response time.</p> <p>Maximum minimum. data and data storage functions.</p> <p>Auto power off and sleep mode.</p> <p>Specifications:</p> <p>Color: Black / Red (Optional)</p> <p>Material: ABS</p> <p>Humidity Range: 0 ~ 100% RH</p> <p>Humidity Resolution: 0.01% RH</p> <p>Humidity Accuracy: ± 2% RH (at 25°C / 20°F, 20% to 80% RH); ± 2.5% RH (at other)</p> <p>Temperature Range: -40 ~ 105°C / -40 ~ 221°F</p> <p>Temperature Resolution: 0.01°C / 0.01°F</p> <p>Temperature Accuracy: ± 0.5°C / ± 0.9°F (at 25°C / 77°F); ±0.8°C / ±1.5°F (at other)</p> <p>Dew bulb temperature: -40~105°C / -40~221°F</p> <p>Wet bulb temperature: 0~80°C / 32~176°F</p> <p>Response time: 0.5s</p> <p>Display: LCD with backlight</p> <p>Operating temperature: 0~50°C / 32~122°F</p> <p>Storage temperature: -10~60°C / 14~140°F</p> <p>Power supply: 1 * 9V battery (not included)</p> <p>Size: 215 * 80 * 45mm / 8.46 * 3.15 * 1.77in</p> <p>Weight: 122g / 4.3oz</p> <p>Package Size: 26 * 10 * 5cm / 10.24 * 3.94 * 1.97in</p> <p>Package Weight: 186g</p> <p>Package List:</p> <p>1 * Thermo-Hygrometer</p> <p>1 * User Manual (English)</p>