This easy to read analog hygrometer helps you control the room climate and maintain optimal humidity balance for healthy living! Maintains an accurate measure of humidity. This analog hygrometer is mechanically operated and doesnt require any batteries. Metal bezel, polycarbonate ...This easy to read analog hygrometer helps you control the room climate and maintain optimal humidity balance for healthy living! Maintains an accurate measure of humidity.
This analog hygrometer is mechanically operated and doesnt require any batteries. Metal bezel, polycarbonate lens, metal pointer, plastic housing and calibration screw in back. (4.5 cm) Made in Germany Spiral hygrometers are the most commonly used hygrometers.
The measuring element consists of a spiral shaped metal strip that reacts to changes in the humidity.