Dial Hygrometer & Thermometer: Mounts inside room to constantly monitor Relative Humidity (RH%) and Temperature (ºF or ºC)

This certified Hygrometer-Thermometer combination is certified to be accurate within ± 3% RH. The dial indicates the complete range of 0 to 100% relative humidity. Each instrument has been tested at three different positions of the dial at temperatures ranging from 32°F to 230°F. The calibration and certification are done under ISO-9001 control. The bi-metallic thermometer on the thermo-hygrometer is accurate to ±1% of scale with a range of 0°F to 210°F.

This is the only humidity indicator that we know of that has a 1-year guarantee and a 5-year warranty. Both the humidity and temperature are directly read without any calculations whatsoever.

To order this or other hygrometers, including digital models, simply click here. This link will take you to the web site of QA Supplies, LLC, who carries a full line of Quality Assurance Instruments, and you can order online!