Digital Wind Speed Meter WS-05 CUSTOM

A large vane is used, making it optimum for measuring wind speed of large duct, etc.Use of an optional exclusive air flow adapter enables air flow measurement of large duct.Equipped with a backlight that makes it easy to see in dark places.For wind speed and air flow measurement on site.Measuring Wind Speed Range (m/s):0.20 to 30.00Resolution (m/s):0.01Wind speed measurement precision: ?}(1.5%rdg+0.3m/s)/0.2 to 20.00m/s, ?}(3%rdg+0.3m/s)Measuring Method: Vane TypePower: AAA Dry Battery x 4 (sold separately)W x D x H: 106 x 51 x 269mm