DT-321S Temperature & Humidity Meter 1).Humidity: 0%~100%RH Temperature: -30~100C 2).Resolution:0.01% RH,0.01C DT-321S Temperature and Humidity Meter + Free Shipping The digital Humidity & Temperature Meter & Wet Bulb Temperature Dew Point temperature has been designed to combine the functions of Humidity Meter, Temperature Meter, Wet Bulb Temperature and Dew point temperature.It is an ideal ...