Digital hygrometer sense humidity by means of non-moving sensors whose electrical resistance is affected by moisture.
The Weather Store offers a great selection of fine digital hygrometers for precisely measuring humidity. Digital hygrometers offer memory for high and low readings, don't fall out of calibration, and offer very good accuracy.
The Weather Store 146
Main Street. Sandwich, MA 02563 Tel.:1-800-646-1203 Fax: 1-508-888-6398 E-mail:pmadden@theweatherstore.com Open: Showroom by Chance or Appointment only