Temperature and humidity are two importantfactors in maintaining optimal comfort levels and good indoor air quality.Quickly and conveniently take accurate humidity and temperature readings withthe Fluke 971. The Fluke 971 is invaluable for facility maintenance and utilitytechnicians, HVAC-service contractors, and specialists who assess indoor airquality (IAQ). Lightweight and easy to hold, the Fluke 971 is the perfect toolfor monitoring problem areas. With a rugged holster and protected sensor, theFluke 971 is built to perform and made to last.