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.
971
971
971
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Specifications

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

Environmental Specifications

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

Mechanical and General Specifications

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