Temperature and humidity are two important factors in maintaining optimal comfort levels and good indoor air quality. Quickly and conveniently take accurate humidity and temperature readings with the Fluke 971.The Fluke 971 is invaluable for facility maintenance and utility technicians, HVAC-service contractors, and specialists who assess indoor air quality (IAQ). Lightweight and easy to hold, the Fluke 971 is the perfect tool for monitoring problem areas. With a rugged holster and twist-open protective sensor cover, the Fluke 971 is built to perform and made to last.

Backlit dual display of humidity and temperature Measures dew point and wet bulb temperatures 99 record storage capacity Ergonomic design with belt clip and protective holster Quick-response capacitance sensor with twist-open protective cover Compact and lightweight (188 g/6.6 oz) Temperature range from -20 °C to 60 °C (-4°F to 140 °F) Relative humidity from 5 % to 95 % Min/Max/Avg Data hold Low battery indicator

Specifications
Temperature	-20°C to 60°C (-4°F to 140°F)
Temperature accuracy	0°C to 45°C (±0.5°C)  -20°C to 0°C & 45°C to 60°C (±1.0°C)  32°F to 113°F (±1.0°F)  -4°F to 32°F & 113°F to 140°F (±2.0°F)
Resolution	0.1°C / 0.1°F
Temperature Update Rate	500 ms
Temperature Sensor Type	NTC
Relative Humidity Range	5% to 95% RH
Relative Humidity Accuracy	10% to 90%RH @ 23 °C (73.4°F) (±2.5%RH)  (<10%, > 90%RH @23°C (73.4°F) (±5.0%RH)
Humidity Sensor	Electronic capacitance polymer film sensor.
Data storage capacity	99 points
Response Time (Humidity)	For 90% of total range - 60 sec. with 1m/s air movement

Environmental Specifications
Operating Temperature	Temperature: -20°C to 60°C  Humidity: 0°C to 55°C
Storage Temperature	-20°C to 60°C at < 80% R.H. (with battery removed)

Mechanical & General Specifications
Weight	190 g (6.7 oz)
Dimensions	194mm x 60mm x 34mm
Battery type	4 AAA alkaline batteries
Battery Life	200 Hours