The Ultimeter TB Rain Gauge features a proven tipping bucket design. Inside each rain gauge is a balanced "see-saw" bucket mechanism. The bucket has a divider wall across the middle, separating it into two halves, each shaped like a miniature coal shovel, with high sides and an open end. The rain gauge's funnel top feeds rain water into one of the half-buckets. As soon as the correct amount of water has been collected, the "see-saw" tips the other way, automatically emptying the water and positioning the other half-bucket for collecting rainfall. Each time the bucket tips, .01" of rainfall is added to the accumulated total on the Ultimeter weather station. 8-inch diameter collector funnel, for superior rainfall sampling.
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