Davis Instruments Leaf Wetness Sensor, 6420 Connection Manual

Leaf Wetness Sensor

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FOR THE VANTAGE PRO WIREL ESS LEAF & SOIL MOISTURE/TEMPERATURE STATION

ADDENDUM

Use this Addendum in conjunction with the “Leaf Wetness Sensor Standard
and Industrial Installation Manual” (#7846 and #7848).

• The leaf we tness sensor (#6420) conne cts to the Wir e l es s Leaf & Soil Mois­ture/Tem perature Station (#6343).

• Please refer to the “Leaf & Soil Moisture/Temp erature Station Installatio n
Manual” f or instructions on how to test and use the leaf wet ness sensor.

Connecting Leaf Wetness Sensors

1. Run the sensor cables up through the grommets on the bottom of the station
housing.

2. Insert the sensor cable modular plug into the Leaf 1 or Leaf 2 modular con­nector.

Grommets

Leaf Wetness Sensor Cables Run

Through Grommets

Finishing the Sensor Connections

1. S e cure sensor cable s to the cable
tie mounts located next to the
grommets.

Connecting Leaf Wetness Sensor

When tightening
cable tie, make sure
cables are on top of
cable tie mount.

Cable Tie

Cable Tie
Mount

Securing Sensor Cables in the Station

Product # 6420

2. To prevent fraying or cutting of cables,

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secure them so they will not whip about in
the wind. Secure a cable to a metal pole by
wrapping e lectric al tape aro und them both .
Make sure cables are secu re by placing
clips or ties approximately every 3 – 5' (1 –

1.6 m)

Note: Do not u s e metal staples or a stapl e gun to secure cables. Meta l staples —

especially when installed with a staple gun — have a tendency to cut the cables.

Securing Cables with Clips and Tie

Cable Clip

Contacting Davis Technical Support

If you have questions about your leaf wetness sensor, or encounter problems
installing or operating the station, please contact Davis Technical Support.

Note: Pleas e do not retu r n items to the fac tor y for repa ir w ith out pr io r aut ho riz at io n.

[phone] – Mo nday – Friday, 7: 00 a.m. – 5:30 p.m. Pacific Time.
[e-mail] – E-mail to Technical Support.
[phone] – For callers outside the USA or Canada.

Cable Tie

[phone] – Fax.
www.davisnet.com – Copies o f Us e r Manuals are av ailable on the “Support”

page. Watch for FAQs and other updates. Subscribe to the e-newsletter.
[e-mail] – General e-mail.

Product Number: 6420
Davis Instruments Part Number: 7395.110A
Leaf Wetness Sensor
Rev A Manual (8 May 2002)

This product complies with the essential protection requirements of the EC EMC Directive 89/336/EC.
The term "IC:" before the radio certification number only signifies that Industry of Canada technical

specifications were met.
Copyright © 2002 Davis Instruments Corp. All rights reserved.

3465 Diablo Avenue, Hayward, CA 94545-2778

510-732-9229 • Fax: [phone]

E-mail: [e-mail] • www.davisnet.com