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Leaf Wetness

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. Conductivity across the grid is measured and this results in a moisture level, scaled from 0 to 100. 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.

Specifications

  • Sensor Type: Artificial leaf electrical resistance
  • Excitaion: Bipolar (3V nominal) built-in
  • Time Constant: 2 seconds
  • Update Interval: 46 to 54 seconds

All Sensors work with our STS-Node, allowing for easy connection to our IoT Platform.

Price
CA$49.00
Image
Leaf Wetness