DICKSON® Model TH8 Chart Recorder

Rugged Units Measure Temperature, Humidity and Dew Point

The thermistor 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 a 9V battery for back-up power. Nos. 138594 and 138595 add a large digital display that can be read from up to 25' away. No. 138595 also includes high and low audio/visual alarms plus a remote probe.