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Davis Instruments 6420 Leaf Wetness Sensor for Weather Stations

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Davis Instruments, 6420, Leaf Wetness Sensor for Vantage Pro2 & Vantage Pro Weather Stations

Use to monitor the level of surface moisture on foliage, with range from 0 (completely dry) to 15 (saturated). Add up to 2 sensors to a single Wireless Leaf & Soil Moisture/Temperature Station. Includes 40' (12 m) cable.

Compatible with both original Vantage Pro and Vantage Pro2. The Leaf Wetness Sensor must be connected via a Leaf & Soil Moisture/Temperature Station (#6345).

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Declaration Due to recent government-imposed tariffs, all pricing is subject to change based on the manufacturer updates.
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All sales are final
  • These are made-to-order items.
  • This product is not eligible for return or exchange unless defective.
  • The average lead-time is 1 or 2 weeks.

Technical Details

Reviews
General
Sensor TypeArtificial leaf electrical resistance
ExcitationBipolar (3V nominal) built - in
Time Constant2 seconds
Attached Cable Length40' (12 m)
Cable Type4 - conductor, 26 AWG
ConnectorModular connector (RJ - 11)
Recommended Maximum Cable Length200' (61 m) using 4 - conductor 26 AWG cable
MaterialSubstrateGlass - reinforced, ceramic - filled laminate
Grid 1 oz. copper, nickel, and 50 μ inch gold plate
Mounting BracketWhite powder - coated aluminum
Dimensions (length x width x height)Leaf Wetness Sensor4.00" x 2.25" x 2.25" (102 mm x 58 mm x 58 mm)
Sensor Area4.4 in2 (28 cm2 )
Weight13 oz. (.4 kg)
Sensor Output
Resolution1
Range0 to 15
Dry/Wet ThresholdUser - selectable
Accuracy±0.5
Update Interval46 to 54 seconds
Input/Output
Supply Voltage and Current100 μA (typical) @ 3 VDC
Output2.5 to 3 VDC
ConnectionsYellow3 VDC
RedGround
GreenOutput
Notes

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Product Details
General
Sensor TypeArtificial leaf electrical resistance
ExcitationBipolar (3V nominal) built - in
Time Constant2 seconds
Attached Cable Length40' (12 m)
Cable Type4 - conductor, 26 AWG
ConnectorModular connector (RJ - 11)
Recommended Maximum Cable Length200' (61 m) using 4 - conductor 26 AWG cable
MaterialSubstrateGlass - reinforced, ceramic - filled laminate
Grid 1 oz. copper, nickel, and 50 μ inch gold plate
Mounting BracketWhite powder - coated aluminum
Dimensions (length x width x height)Leaf Wetness Sensor4.00" x 2.25" x 2.25" (102 mm x 58 mm x 58 mm)
Sensor Area4.4 in2 (28 cm2 )
Weight13 oz. (.4 kg)
Sensor Output
Resolution1
Range0 to 15
Dry/Wet ThresholdUser - selectable
Accuracy±0.5
Update Interval46 to 54 seconds
Input/Output
Supply Voltage and Current100 μA (typical) @ 3 VDC
Output2.5 to 3 VDC
ConnectionsYellow3 VDC
RedGround
GreenOutput
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Note

Note: Please read description carefully. Do not base your order on the picture presented.

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