The sensor is a self-emptying tipping bucket collector. This means that for each 0.011" (0.2794 mm) of rain that falls in the sensor, the bucket will tilt, dumping the water out and closing a momentary contact. The rain gauge is a self-emptying tipping bucket type. Each 0.011" (0.2794mm) of rain causes one momentary contact closure that can be recorded with a digital counter or microcontroller switch input. The Gauge's switch is connected to the two center conductors of the attached RJ11-terminated cable.
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