Leaf Wetness, Air Temperature And Rh Recorder

The system consists of a weatherproof enclosure which
contains the data logger and power supply, and comes
complete with a solar panel, tripod stand and Leaf
Wetness, Air Temperature and Humidity sensors (one
each). For the most accurate disease prediction the leaf
wetness sensor, designed to mimic the surface area of a
leaf, use electrical resistance to measure the level of
surface moisture on foliage, whether caused by rainfall,
dew, or spray. The leaf wetness sensor enables the data
logger to detect the presence of surface moisture on
foliage and calculate the duration of wetness. When
moisture is present, the sensor detects an electrical
resistance change between the gold plated elements of
the grid. This is displayed and record by the data logger as
a value between 0% to 100% moisture on foliage and
calculate the duration of wetness. When moisture is
present, the sensor detects an electrical resistance
change between the gold plated elements of the grid.

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