specification :

 

Wind velocity measurement
Unit	Measurement range	Resolution	Threshold	Accuracy
m/s	0~30	0.01	0.3	±5% ±0.1
ft/min	0~5860	1.968	60	±5% ±20
knots	0~55	0.019	0.6	±5% ±0.2
km/h	0~90	0.036	1	±5% ±0.4
mph	0~65	0.022	0.7	±5% ±0.2

 

Wind temperature measurement
Unit	Measurement range	Resolution	Accuracy
℃	-10℃~+45℃	0.1	±2℃
℉	14℉~113℉	0.2	±3.6℉
Battery	9V battery（6F22）
Temperature sensor	Negative Temperature Coefficient Resistance
Operation temperature	-10℃~+45℃(14℉~113℉)
Operation humidity	Less than 90%RH
Storage temperature	-10℃~+50℃(14℉~122℉)
Current consumption	About 6mA
Weight	184g(including battery)
Size	165x85x39mm