Fluke 971 – Compact Indoor Air Quality Tester Overview The Fluke 971 is a handheld meter for monitoring indoor environment conditions. It displays temperature and relative humidity simultaneously, supports dew point and wet bulb readings, and stores up to 99 readings. Designed for HVAC technicians, facility maintenance and indoor air quality specialists. Lightweight, rugged with a protective holster, and suited for job-site use. Key Features Dual backlit display showing temperature and humidity at once Measures dew point and wet bulb temperature Stores up to 99 records for temperature and humidity readings Min, Max, Average data hold functions Quick-response capacitance sensor with protective cover Compact ergonomic design with belt clip and protective holster Low battery indicator Lightweight (~ 190 g) for easy carrying Technical Specifications Model: 971 Temperature Range: −20 °C to +60 °C (−4 °F to +140 °F) Temperature Accuracy: ±0.5 °C for 0 °C to 45 °C; ±1.0 °C outside that range Temperature Resolution: 0.1 °C / 0.1 °F Relative Humidity Range: 5 % to 95 % RH Relative Humidity Accuracy: ±2.5 % RH for 10 %-90 % RH at 23 °C; ±5.0 % RH outside that span Humidity Resolution: 0.1 % RH Response Time (for humidity): 60 seconds for 90 % of full scale with 1 m/s air flow Temperature Update Rate: 500 ms Operating Conditions: temperature −20 °C to +60 °C; RH up to 95 % at moderate temperatures; storage −20 °C to +60 °C with battery removed under < 80 % RH Weight: ~190 g Dimensions: ~194 × 60 × 34 mm Power: 4 AAA alkaline batteries Battery Life: up to ~200 hours Applications Monitoring indoor air quality (IAQ) in buildings and facilities HVAC system diagnostics and set-ups Verifying environmental conditions to prevent mold or comfort issues Data center monitoring, clean rooms or libraries where humidity control matters Why Choose the Fluke 971 Dual display offers simultaneous humidity and temperature for quick readings Includes dew point and wet bulb functionality for more effective environmental assessment Data logging of 99 points helps tracking over time without extra tools Order Now The Fluke 971 is part of Fluke’s indoor air quality tools. Available for purchase. Ships worldwide.
