Designed to meet the guidelines of the World Meteorological Organization, this
self-emptying tipping-bucket design is exceptionally accurate. Used to display
daily and accumulated rainfall on Weather Monitor II (plus rate of rainfall
on GroWeather, Energy EnviroMonitor, and Health EnviroMonitor). Includes a 40
ft. (12m) standard cable. Can be user-calibrated for 0.01" or 0.2mm.