Features & Applications :

The Fluke 971 Relative Humidity & Temperature Meter is a battery powered, dual-function meter that measures relative humidity and temperature, as well as ambient, wet bulb and dew point temperatures. Use this meter help maintain optimal comfort levels and good indoor air quality. The Relative Humidity & Temperature Meter also features min./ max./ avg., data hold and low battery a low battery indicator.

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
Compact and lightweight ( 6.6 oz/ 188 g)
Temperature range from -4 to 140 ° F ( -20 to 60° C)
Relative humidity from 5 to 95 %
Min/ Max/ Avg Data hold
Low battery indicator

Spec Summary :
Specifications
Temperature range : -4 to 140° F ( -20 to 60° C)
Temperature accuracy : 32 to 113° F ( ± 1.0° F) -4 to 32° F & 113 to 140° F ( ± 2.0° F) 0 to 45° C ( ± 0.5° C) -20 to 0° C & 45 to 60° C ( ± 1.0° C)
Resolution : 0.1° F/ 0.1° C
Response Time ( Temperature) : 500 ms
Temperature Sensor type : NTC
Relative Humidity Range : 5 to 95% RH
Relative Humidity Accuracy : 0 to 90% RH @ 73.4° F ( 23° C) ( ± 2.5% RH) ( 90% RH @ 73.4° F ( 23° C) ( ± 5.0% RH)
Humidity Sensor : Electronic capacitance polymer film sensor
Data Storage Capacity : 99 points
Response Time ( Humidity) : For 90% of total range - 60 sec. with 1m/ s air movement
Environmental Specifications
Operating temperature : Temperature: -4 to 140° F ( -20 to 60° C)
Humidity : 32 to 131° F ( 0 to 55° C)
Storage temperature : -4 to 140° F ( -20 to 60° C) at < 80% R.H. ( with battery removed)
Mechanical & General Specifications
Weight : 6.7 oz ( 190 g)
Dimensions : 7.63 " x 2.36 " x 1.33 " ( 194 x 60 x 34mm)
Battery type : 4 AAA alkaline batteries
Battery life : 200 hours