Cut Sheet

Technical Data
The Fluke 971 has:
• Backlit dual display of humidity and temperature
• 99 record storage capacity
• Ergonomic design with belt clip and protective holster
• Quick-response capacitance sensor with protective cover
General Features
• Compact and lightweight (190 g/6.7 oz)
• Temperature range from -20 °C to 60 °C (-4 °F to 140 °F)
• Measures dew point and wet bulb
• Relative humidity from 5 % to 95 %
• Min/Max/Avg data hold
• Low battery indicator
Quickly take accurate humid-
ity and temperature readings
in the air. Temperature and
humidity are two important
factors in maintaining optimal
comfort levels and good indoor
air quality. The Fluke 971 is
invaluable for facility mainte-
nance and utility technicians,
HVAC-service contractors, and
specialists who assess indoor
air quality (IAQ). Lightweight,
rugged, and easy to hold, the
Fluke 971 is the perfect tool for
monitoring problem areas.
Fluke 971
Temperature Humidity Meter
Specifications
Temperature range -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 and 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
Resolution 0.1 °C / 0.1 °F
Temperature update rate 500 ms
Temperature sensor type NTC
Relative humidity range 5 % to 95 % R.H.
Relative humidity accuracy
10 % to 90 % R.H. @ 23 °C (73.4 °F) ± 2.5 % R.H.
<10 %, > 90 % R.H. @ 23 °C (73.4 °F) ± 5.0 % R.H.
Resolution 0.1 % R.H.
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