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Leaf Wetness Sensor

Rain Bird® ClimateMinder™ System Sensors

The CM-SP-LWS Leaf Wetness Sensor (LWS) determines the presence and duration of canopy wetness, allowing you to forecast disease and protect the plant canopy. Because the Leaf Wetness Sensor measures the dielectric constant, droplets do not need to bridge electrical traces for the sensor to detect moisture. The presence of water or ice anywhere on the surface of the sensor will be detected. The sensor measures leaf surface wetness by measuring the dielectric constant of the sensor’s upper surface.

Sensor technical specifications:

  • Output: 320-1000 mV @ 3V excitation
  • Operating Environment: -20 to 60°C
  • Probe Dimensions: 11.2cm x 5.8cm x .075 cm

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