The GMX100 optical rain sensor is from the MaxiMet range of compact weather stations. The GMX100 features an integrated optical rain gauge and heater. The rain sensor automatically senses precipitation hitting its surface and uses algorithms based on the size and number of drops to determine rainfall and intensity. The GMX100 then provides readings for rainfall intensity, 24Hr rainfall totals and rainfall Y/N via RS232, RS485, RS422, SDI-12, NMEA and MODBUS serial outputs, or an optional analogu
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