• Monitor indoor air quality to maintain optimal comfort

An invaluable instrument for facility maintenance and utility technicians, HVACservice contractors, and specialists who assess indoor air quality (IAQ). Quickly takes accurate temperature and humidity readings to maintain optimal comfort levels and good indoor air quality. This easy-to-use, lightweight, ergonomic device is perfect for monitoring problem areas. Backlit dual display simultaneously shows humidity and temperature. Temperature range: -4° to 140°F (-20° to 60°C). Relative humidity range: 5 to 95%. Also measures dew point and wet bulb temperature. Rugged holster and twist-open sensor cover protect the quick-response capacitance sensor. Features 99-record storage capacity, min/max/average data hold, belt clip and low battery indicator. Comes with (4) AAA batteries.