China manufacturer Rainfall WS-601ABS2 (MTI.RR.TB.BT.ABS) Economical Type Rain Precipitation Sensor The Model WS-601ABS2 tipping bucket rain Gauge was designed for the National Weather Service to provide a reliabl, low-cost tipping bucket rain sensor. It has been update and improved with the additionof an inner funnel to even the flow of the railfall into the gauge, providing better accuracy at higher rainfall rates. It simplicity of esign assures trouble-free opertaion , yet provide accurate rainfall measurement . And this kind of rain gauge also can provide you the data logger feature and temperature.