The capacity value of the sensitive element, on an alumina rest, changes according to the surface dampened by raindrops.
An integrated heater keeps it dry, evaporates water and prevents false signals caused by fog or dew.
This heater also activates at low temperatures, melting the snow and allowing to detect snow precipitations.
An external circular dome acts as a windshield for the sensor, preventing false indications.
The instrument is equipped with three different outputs:
1- “Rain ON/OFF” output, which detects whether it is raining/ snowing (ON) or not (OFF), also used to control a relay coil or similar devices;
2- 0…1V voltage analogue output (calibrated)
3- 1,5…6KHz frequency output (not calibrated), which provide an accurate indication of current precipitation
Connector is included, but you can also order a complete cableset of 5 meters.
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