ANENG GN401 Mini Temperature Humidity Meter

A NENG GN401 Digital Mini Temperature Humidity Meter hand no contact precision air thermometer hygrometer measure test Feature: High precision digital temperature and humidity sensor, high sensitivity, high response speed HD color LCD display Temperature unit selectable: ℃/℉ Maximum and minimum measurement: MAX, MIN Screen lock: hold Dew point temperature measurement Wet bulb temperature measurement Over range prompt Low battery meets prompt Specification: Humidity range: 0 ~ 100% RH range: 45 ~ 75% RH accuracy ± 3.0% RH others ± 4.5% RH Ambient temperature range: -20 ℃ ~ 70 ℃ accuracy ± 1 ℃ -4 ℉ ~ 158 ℉ accuracy ± 1.8 ℉ Dew point remperature range: -20 ℃ ~ 70 ℃ accuracy ± 1.5 ℃ -4 ℉ ~ 158 ℉ accuracy ± 2.7 ℉ Wet bulb remperature range: -20 ℃ ~ 70 ℃ accuracy ± 1.5 ℃ -4 ℉ ~ 158 ℉ accuracy ± 2.7 ℉ Digital update 0.5S Auto power off: 15 minutes auto power off under no operation Operating temperature and humidity: -20 ℃ ~ 60 ℃/-4 ℉ ~ 140 ℉ 10% RH ~ 90% RH Storage temperature and humid