Digital All-in-one Air Flow Meter With Cfm- Btu- Temp-humidity- Dp- Fpm- Mph- Kph- Mps- Knots And Wet Bulb

HVAC Environment, Exhausts, Blowers.
-Features & Benefits :

One-handed airflow measurement
Handy recessed service grip
Single and multi-point average
RS-232 computer interface
Min/Max memory
Data hold
?F/?C switch
CE and RoHS approved

Specifications :
Airflow Volume Measurement Range:0 to 99,999 CFM or CMMAirflow Velocity Measurement Range:1 to 6840 ft./min (0.3 to 35 m/sec)Airflow Measurement Accuracy: ?5%Temperature Measurement Range:-4? to 140?F (-20? to 60?C)Temperature Measurement Accuracy:?1?F (?0.6?C)Relative Humidity Measurement Range:10 to 90%RH Measurement Accuracy: ?3% of readingDew Point/Wet Bulb TemperatureMeasurement Resolution: 0.1?F (0.1?C)Dimensions of Meter:Vane: 6.7 x 3 x 1.6 in. (170 x 77 x 40mm)Meter: 6.9 x 2.8 x 1.3 in. (175 x 70 x 33mm)Weight of Meter: 10.4 oz. (295 g)Power Source: 4 ?AA? batteries (included) or9V AC adapter
Includes :
Hard case
Batteries
User?s manual- SKU: GTWDCFM8912