Fluke 971: Temperature Humidity Meter

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.

Key features:

• 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

Specifications:

Temperature	-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)
Resolution	0.1°C / 0.1°F
Temperature update rate	500 ms
Temperature sensor type	NTC
Relative humidity range	5% to 95% RH
Relative humidity accuracy	10% to 90% RH @ 23°C (73.4°F) (±2.5% RH)
Relative humidity accuracy	(< 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