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Monitor indoor air quality effectively with the FLUKE-971, a compact temperature and humidity meter with dual backlit display, fast response time, and 99-record memory.

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Fluke 971 Temperature/Humidity Meter

The FLUKE-971 Temperature/Humidity Meter is a reliable handheld device designed to measure and log ambient temperature and relative humidity quickly and accurately. Ideal for HVAC professionals, IAQ specialists, and facility technicians, this rugged tool features a dual backlit display, compact design, and ergonomic handling with belt clip and protective holster. It also calculates dew point and wet bulb measurements, making it essential for maintaining indoor comfort and safety in professional environments.

• Dual backlit display for temperature and humidity readings
• Temperature range from -20 °C to 60 °C (-4 °F to 140 °F)
• Relative humidity range from 5% to 95% R.H.
• Quick-response capacitance sensor with protective cover
• Stores up to 99 data records
• Min/Max/Avg data hold functionality
• Measures dew point and wet bulb values
• Low battery indicator and fast 500 ms temperature update rate
• Compact and lightweight design (190 g / 6.7 oz)

• Temperature Range: -20 °C to 60 °C (-4 °F to 140 °F)
• Temperature Accuracy: ±0.5 °C (0 °C to 45 °C), ±1.0 °C for other ranges
• Humidity Range: 5% to 95% R.H.
• Humidity Accuracy: ±2.5% R.H. (10% to 90%), ±5.0% outside that range
• Humidity Sensor: Electronic capacitance polymer film sensor
• Response Time (Humidity): 60 seconds with 1 m/s airflow
• Data Storage: 99 points
• Battery: 4 x AAA alkaline (200 hours typical battery life)
• Dimensions (HxWxD): 194 mm x 60 mm x 34 mm (7.6 in x 2.4 in x 1.3 in)
• Weight: 190 g (6.7 oz)
• Operating Temp: -20 °C to 60 °C (humidity operation up to 55 °C)
• Storage Temp: -20 °C to 60 °C (with battery removed)
• Safety Approval: EN 61326-1 compliant for electromagnetic compatibility