Rugged Unit Measures Temperature, Humidity and Dew Point
The thermistor of DICKSON Model TH802 Chart Recorder gives you accurate temperature readings. The digital humidity sensor provides pinpoint humidity and dew point data. It’s all easy to read on the 8"-dia. chart, which offers 84% more readable area than 6"-dia. charts. Display shows temperature, humidity and dew point so you can get information at a glance. You choose the temperature range and recording times you need. Flip-up pen arm allows easy chart and pen changes. Each unit is powered by a 120V AC adaptor and 9V battery for back-up power. A large digital display can be read from up to 25' away.