... plant, electric power, harbor, factories and mines, wind generator etc large mechanical equipments,IP65 Major functions ... wind ability, up to 16 scale.Convenient installation and adjustment free.Specification Supply voltageDC12V~DC28VWind speed ... 4+0.05 actual wind speed)m/sToggle speed<0.5m/sAnti-wind strengthMax. wind resistance:≥60m/sSensor output4mA~ ... is less than 400Ω. Wind Speed Transmitter