FIEDLER > Meteorological sensors > Rain gauges and rain detectors > Rain detector with capacitive output

Rain detector with capacitive output

A rain detector with a capacitive output is used for precise precipitation detection and for converting the information into an analog signal. It provides reliable data for meteorological monitoring, process control, and environmental applications.

RDH11 – Rain Sensor with Controlled Heating

RDH11 – Rain Sensor with Controlled Heating

The RDH11 detector is designed to detect rain or snowfall using a durable capacitive ceramic sensor. During precipitation, a binary output is activated, which can control, for example, automated systems (roller shutters, awnings) or be processed by a data logger. Thanks to the RS485 interface, the data logger can also record approximate precipitation intensity (0–100%), the sensor’s surface temperature, and the ambient temperature.

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RDH11-T – Rain detector with controlled heating and sky temperature sensor

RDH11-T – Rain detector with controlled heating and sky temperature sensor

The RDH11-T is an enhanced version of the RDH11 detector that, in addition to detecting rain and snowfall, also measures sky temperature. The device uses a capacitive ceramic sensor for reliable precipitation identification and simultaneously provides information important for advanced meteorological applications (e.g., icing risk assessment or cloud monitoring). The binary output signals the presence of precipitation, while the RS485 interface can be used to transmit approximate precipitation intensity (0–100%), sensor temperature, and sky temperature.

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