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Davis 6420 Leaf Wetness Sensor

Davis 6420 Leaf Wetness Sensor
Davis 6420 Leaf Wetness Sensor
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Rp.7,778,0650
Ex Tax: Rp.7,778,0650
  • Brand: Davis Instruments
  • Part Number: 6420
  • Availability: 2 - 4 WEEKS
  • Last Updated: 26 Apr 2024
Davis Instruments Davis Instruments
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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.

The sensing grid is a gold-plated etched circuit on an epoxy-glass substrate; the excitation and sense circuits are encapsulated in black epoxy. The included mounting bracket holds the sensor at a 45° angle to simulate a typical leaf position and to permit runoff of excess moisture; it may be mounted on a vertical post, pipe, or stake, or on the Sensor Mounting Arm