• Temperature range: -4° to 140°F (-20° to 60°C)
  • Relative humidity range: 5% to 95%
  • 0.1°F resolution
  • ±1.0 °F accuracy 32° to 113°F
  • 500 ms temperature update rate
  • 0.1% R.H. resolution
  • 99 point data storage
  • Dew point and wet bulb measurement


The Fluke 971 temperature / humidity meter quickly takes accurate humidity and temperature readings in the air. Temperature and humidity are two important factors in maintaining optimal comfort levels and good indoor air quality.

Fluke 971 temperature / humidity meters are invaluable for facility maintenance and utility technicians, HVAC-service contractors, and specialists who assess indoor air quality (IAQ). Lightweight, rugged, and easy to hold, the Fluke 971 temperature / humidity meter is the perfect tool for monitoring problem areas.

The Fluke 971 temperature / humidity meter features a backlit dual display of humidity and temperature. The meter has a 99 record storage capacity and a quick-response capacitance sensor with twist-open protective cover. Fluke 971 temperature / humidity meters ship complete with belt clip and protective holster.

Fluke 971 Temperature Humidity Meter Specifications
Temperature Range: -4 to 140°F (-20 to 60°C)
Temperature Accuracy: ±0.5°C for 0 to 45°C
±1.0°C for -20 to 0°C and 45 to 60°C
±1.0°F for 32 to 113°F
±2.0°F for -4 to 32°F and 113 to 140°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: 10% to 90% RH @ 23 °C (73.4 °F)
Humidity Accuracy: ±2.5% RH
Resolution: 0.1% RH
Response Time (humidity): For 90% of total range - 60 sec with 1 m/s air movement
Humidity Sensor: Electronic capacitance polymer film sensor
Data Storage: 99 points