رطوبت سنج ، دما سنج WT83 این دستگاه رطوبت سنج قابلیت اندازه گیری نقطه شبنم را نیز دارد . Features: Humidity & Temperature Meter designed with fashion, small and portable appearance With safe and reliable performance stability, a low power consumption and high precision Technical Parameter: Ambient temperature range:-20~ 70℃(-4158℉） Environment temperature accuracy:±1℃ Humidity range:0%~100%H Accuracy humidity:±4%RH Dew point range:-20℃~50℃ Precision dew point:±2°C Wet bulb range:-20℃~50℃ Wet bulb accuracy:±2°C Working current:13mA , 17mA(Backlight) Record 999 groups data:√ ℃/℉ Selection:√ Keep data display:√ MAX/MIN:√ Auto power-off:√ Power supply:3*1.5V AAA batteries(Not Inclued) Package Includes: 1pc WT83 Temperature and Humidity Meter 1pc User Manual