The improved RSA precipitation detector, produced by Wittich & Visser (The Netherlands) has a direct switch contact output, alarm on/off delay time and switch sensitivity. The on/off delay time of the new RSA can now be programmed based on client specifications.
The resistance variation of the gold plated electrodes is sensed and the surface temperature is maintained 10°C above ambient. With the IP65 housing and the reliability of the electrodes proper operation is guaranteed for many years. The RSA is an ideal instrument for detection of rain and snowfall, e.g. for building and greenhouse automation and irrigation planning. This sensor is very well suited for OEM purposes or can easily be combined with many other sensors from the Wittich & Visser Meteo M&R program to a complete weather station. Wittich & Visser produces high quality and affordable weather sensors in the Netherlands since 1924 and is looking for distributors worldwide.
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