FLUKE 971 Temperature Humidity Meter

Fluke 971 Temperature Humidity Meter
Features
a) Backlit dual display of humidity and temperature
b) Measures dew point and wet bulb temperatures
c) 99 record storage capacity
d) Ergonomic design with belt clip and protective holster
e) Quick-response capacitance sensor with protective cover
f) Compact and lightweight ( 188 g/ 6.6 oz)
g) Temperature range from -20 ° C to 60 ° C ( -4° F to 140 ° F)
h) Relative humidity from 5 % to 95 %
i) Min/ Max/ Avg Data hold
j) Low battery indicator

Specification :
Temperature Range : -20° C to 60° C ( -4° F to 140° F)
Temperature Accuracy :
a) 0° C to 45° C: ± 0.5° C
b) -20° C to 0° C and 45° C to 60° C: ± 1.0° C
c) 32° F to 113° F: ± 1.0° F
d) -4° F to 32° F and 113° F to 140° F: ± 2.0° F
Resolution : 0.1° C / 0.1° F
Response Time ( temperature) : 500 ms
Temperature Sensor Type : NTC
Relative Humidity Range : 5% to 95% R.H.
Relative Humidity Accuracy :
a) 10% to 90% R.H. @ 23° C ( 73.4° F) ± 2.5% R.H.
b) 90% R.H. @ 23° C ( 73.4° F) ± 5.0% R.H.
Resolution : 0.1% R.H.
Response Time ( Humidity) : For 90% of total range - 60 sec. with 1 m/ s air movement
Humidity Sensor : Electronic capacitance polymer film sensor
Data Storage : 99 points
Operating temperature : Temperature -20° C to 60° C ( -4° F to 140° F)
Humidity : 0° C to 55° C ( 32° F to 131° F)
Storage temperature : -20° C to 60° C ( -4° F to 140° F) at < 80% R.H. ( with battery removed)
Weight : 190 g ( 6.7 oz)
Dimensions ( H x W x D) : 194 mm x 60 mm x 34 mm ( 7.6 in x 2.4 in x 1.3 in)
Battery type : 4 AAA alkaline batteries
Battery life : 200 Hours
Safety approval : Electromagnetic compatibility: Complies with EN 61326-1
Warranty : 12 months
* Humidity sensor hysteresis ( excursion of 10% to 90% to 10% R.H.) : ± 1% R.H. with 1 m/ s air movement
* Temperature coefficient: 0.1 times the applicable accuracy specification per ° C from 0° C to 18° C and 28° C to 50° C ( 32° F to 64° F and 83° F to 122° F)

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