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LEAF WETNESS SENSOR 06420

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Listing Details

Model
06420
Telephone
021-72791867
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Description

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.





Overview

Sensor Type Artificial leaf electrical resistance
Excitation …Bipolar (3V nominal) built-in
Time Constant …2 seconds
Attached Cable Length …40' (12 m)
Cable Type …4-conductor, 26 AWG
Connector …Modular connector (RJ-11)
Recommended Maximum Cable Length (see Note 1)200' (61 m) using 4-conductor 26 AWG cable Material
Substrate ……..Glass-reinforced, ceramic-filled laminate
Grid …….1 oz. copper, nickel, and 50 μ inch gold plate
Mounting Bracket ……White powder-coated aluminum
Dimensions (length x width x height) :
Leaf Wetness Sensor 4.00" x 2.25" x 2.25" (102 mm x 58 mm x 58 mm)
Sensor Area 4.4 in2 (28 cm2)
Weight 13 oz. (.4 kg)
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