Manufacturer: Fluke Mfr. Part No.: 2418208 Fluke 971 Humidity & Temperature Meter Quickly take accurate humidity and temperature readings in the air. The Fluke 971 is invaluable for facility maintenance and utility technicians, HVAC service contractors and specialists in indoor air quality. Lightweight rugged and easy to hold the 971 is the perfect tool for monitoring problem areas. FEATURES and BENEFITS: . New and improved digital sensor for faster response times . Simultaneously measure temperature and humidity . Measure dewpoint and wet bulb temperatures . 99 record storage . Backlit dual reading display f humidity and temperature . Low battery indicator . Compact and lightweight at 188 g (6 .6 oz) Fluke Thermohygrometer The Fluke 971 series Thermohygrometer quickly takes accurate humidity and temperature readings in the air. It has a temperature measurement range of -20°C and 60°C (-4°F and 140°F). It has an ergonomic design with a belt clip and a protective holster. This meter has a quick-response capacitance sensor for faster response time with a protective cover. Features and Benefits Lightweight, rugged and easy to use Maximum humidity measurement is 95%RH Temperature measurement accuracy is ±0.5°C Temperature measurement resolution is 0.1°C Humidity measurement accuracy is ±2.5%RH Backlit dual display of humidity and temperature 99 record storage capacity Measures dew point and wet bulb Min/Max/Avg. data hold Low battery indicator Applications Facility maintenance Utilities HVAC/R Indoor air quality measurement Specifications Attribute Value Absolute Maximum Temperature Measurement +60°C Maximum Humidity Measurement 95%RH Hygrometer Type Digital Hygrometer Best Temperature Measurement Accuracy ±0.5 °C Temperature Measurement Resolution 0.1°C Best Humidity Measurement Accuracy ±2.5 %RH Humidity Measurement Resolution 0.1%RH Dewpoint Measurement Yes Meter Type Handheld Functions Record Power Source Battery Battery Type AAA Battery Life 200 h Minimum Operating Temperature -20°C Model Number p 971 Weight 190g Maximum Operating Temperature +60°C