- Record temperature and humidity on 1 or 3 month rotation
- Quartz-controlled strip chart drive consistently rotates chart drum even when batteries are weak
The Oakton WD-37250-20 Long Cycle Hygrothermograph features a corrosion-resistant acrylic plastic case with tinted cover for easy viewing. Operates on one C battery for up to six months continuous use. Built-in battery test indicates battery condition with a button press. Unit includes red and blue pens, battery, and one roll of 1-month chart paper.
|WD-08368-80||Oakton WD-08368-80 Red felt tip pens, 6/pack||
|WD-37250-50||Oakton WD-37250-50 Optional Axial Fan||
|WD-37250-60||Oakton WD-37250-60 Chart paper roll, °C, 1 month rotation||
|WD-37250-62||Oakton WD-37250-62 Chart paper roll, °C, 3 month rotation||
|WD-17030-20||Oakton WD-17030-20 NIST-Traceable Thermohygrometer Calibration Report, 1 Temp/3 Humidity Test Points||