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Fluke 971: Temperature Humidity Meter


33 in stock

  • 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 
  • 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

26,820.00  29,800.00 

33 in stock


Product Description

Maintaining optimal comfort levels and ensuring good indoor air quality are critical, necessitating precise temperature and humidity control. The Fluke 971 stands out as a premier solution, adeptly serving as both a temperature humidity meter and a dedicated humidity tester. This device is indispensable for professionals focusing on facility maintenance, utility technicians, HVAC service contractors, and indoor air quality (IAQ) specialists. Its ability to quickly and accurately measure humidity and temperature makes it a crucial tool for monitoring environments where air quality is paramount.

The Fluke 971 excels as a humidity measurement tool, offering a comprehensive approach to assessing environmental conditions. As a meter for humidity, it provides detailed insights into the moisture content of indoor environments, aiding in the prevention of mold growth and ensuring comfort. This humidity gauge integrates seamlessly into maintenance routines, offering reliable data with advanced humidity-measuring device capabilities.

The Fluke 971 is more than just a humidity reader designed for the field. It incorporates a temperature and humidity meter into a single, user-friendly device. Its lightweight design makes it exceptionally easy to carry and use over extended periods, ensuring that professionals can easily monitor problem areas. The humidity thermometer feature of the Fluke 971 allows for a dual reading of both temperature and humidity, facilitating a thorough understanding of the environmental conditions.

Built to last, the Fluke 971 features a rugged holster and a protected sensor, safeguarding the device from the rigors of daily use in challenging environments. This design ethos ensures that the Fluke 971 is a powerful tool for immediate measurements and a durable investment for future assessments.

Whether for diagnosing HVAC issues, ensuring proper air quality, or maintaining environmental conditions, the Fluke 971 Temperature Humidity Meter is essential for professionals demanding accuracy, reliability, and durability in their humidity and temperature measurement solutions.

Technical data

General Specifications

General Specifications



-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 and 113°F to 140°F (±2.0°F)


0.1°C / 0.1°F

Temperature update rate

500 ms

Temperature sensor type


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 densor

Electronic capacitance polymer film sensor.

Data storage capacity

99 points

Response time (humidity)

For 90% of total range - 60 s with 1 m/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 and General Specifications


190 g (6.7 oz)


194 x 60 x 34 mm

Battery type

4 AAA alkaline batteries

Battery Life

200 Hours


Datasheet : Fluke 971: Temperature Humidity Meter

Instruction Manual : Fluke 971: Temperature Humidity Meter