Compatible with both original Vantage Pro and Vantage Pro2. The Leaf Wetness
Sensor must be connected via a Leaf & Soil Moisture/Temperature Station.

The leaf wetness sensor (#6420) connects to the Wireless Leaf & Soil Moisture/
Temperature Station (#6343).

The Leaf Wetness Sensor detects the presence of surface moisture.
The sensor is an artificial-leaf electrical-resistance type. It consists of
a sensing grid, low-voltage bi-polar excitation circuit, and conductivity-
sensing circuit. The Vantage Pro2 console measures the conductivity
across the grid and displays the result as a moisture level, scaled from
0 to 15. The user may select the threshold level at and above which
moisture-hour totals are accumulated.