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Fluke 971 Temperature Humidity Meter,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 protected sensor, 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
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
 -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)
 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 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
 190 g (6.7 oz)
 194mm x 60mm x 34mm
Battery type
 4 AAA alkaline batteries
Battery Life
 200 Hours
Model Name Description
Fluke 971 Temperature Humidity Meter 
Operation manual
4 AAA alkaline batteries
Cases and Holsters
C1600 C1600 Gear Box for Meter and Accessories
C23 C23 Soft Carrying Case
C550 C550 Tool Bag
LVD1 LVD1 Volt Light