Met One Rain Gauge Pairs

The tipping bucket rain gauge is the Model 380 made by MetOne Instruments, Inc. This rain gauge has a 30.5 cm diameter funnel and is calibrated such that 0.2 mm of liquid water will cause the bucket to tip.  The rain gauge is used to provide a measurement of rainfall amount. 

More information can be found at http://metone.com/documents/370%20-%20380%20Precipitation%20Gauges.pdf