MR 42 Rain Sensor

• Selectable Sensitivity

• Less Maintenance

• Affordable Price



MR 42 Rain Sensor detects rain with capacitive measurement principle and is very suitable for your applications in building automation, agriculture and green houses. The selectable sensitivity can be adjusted against your requirements. The MR 42 Rain Detector is supplied with an embedded heater to keep the surface free of dew.

The MR 42 Rain Sensor combines relaible measurement of rainfall periods and an affordable price.

Product Specification

Operating principle Capacitive
Operating range PRECIPITATION / NO PRECIPITATION
Power supply 12 VDC
Power consumption 400 mA max
Response time < 5 minutes s
Output 0V or 12V / Open Collector
Operating temperature range -20...+50 °C °C
Dimensions 80 x 80 x 55 mm