Digital Wind Speed Meter TESTO405 Testo

Can measure inside duct and duct outlet.Equipped with a duct holder and multi-purpose clip that makes it convenient to install wind speed meter.A sensor probe extendable type(150 to 300mm).Measures wind speed at vent outlet.Measuring Wind Speed Range (m/s):0 to 10Resolution (m/s):0.1Wind speed measurement precision: ?}(0.1m/s+ measured value of 5%(0 to 2m/s)), : ?}(0.3m/s+ measured value of 5%(2.1 to 10m/s))Measurement Method: Hot Wire TypePower Supply: AAA Dry Battery x 3 (accessory)W x D x H: 37 x 36 x 490mm