CALL: A.WIHARTA 081294124885 085778084789 087784022201   Info Produk General Specification : Measuring Range: 0 C~ 45 C Wind Speed Measuring Range: 0.3~ 45m/ s Wind volume Range: 0~ 9999m3/ s Accuracy of Wind speed: 3% 1dgts Wind Speed Unit Selection: M/ s, Ft/ min, Knots, Km/ hr, Mph Resolution: 0.1m/ s 0.2 C Air Velocity/ Air Flow Selection:  C/ F Selection:  Auto / Manual Power Off:  Back Light Display:  Max/ Min wind speed measuring:  Average And current wind speed:  Data hold function:  USB Transmission:  Air Flow Measuring Function: