Fluke 971

Overview:
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.

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)
(< 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
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)