ECOWITT WN35 Manual

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Leaf Wetness Sensor
Model: WN35
Contents
1. Getting Started ...................................................................... 4
1.1 Parts List ..........................................................................4
2. Overview ............................................................................... 5
2.1 Features ........................................................................... 6
3. Setup Guide ........................................................................... 9
3.1 Installing battery ..............................................................9
4. Sensor Placement ................................................................ 12
5.Wi-Fi Configuration with gateway ....................................... 20
5.1 Pair with Gateway ......................................................... 20
5.2 Wi-Fi Connection for the Gateway ................................23
6. View Online Data with WS View Plus/ Ecowitt APP ..........23
7. Set Email Alerts ...................................................................28
8.Specification .........................................................................30
9.Warranty Information ........................................................... 31

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QR perleggi il manuale italiano e
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Instruction manuals
https://www.ecowitt.com/support/download/122

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Help
Our product is continuously changing an-
d improving, particularly online services
and associated applications. To download
the latest manual and additional help, pl-
ease contact our technical support team:
[e-mail]
[e-mail] (EU/UK)

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1. Getting Started
1.1 Parts List
One Leaf Wetness Sensor
One Hose clamp for mounting to
crossbar (crossbar not included)
One User Manual

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2. Overview
Figure 1: Leaf Wetness Sensor

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2.1 Features
Leaf Wetness Sensor
This sensor can be simulated as a leaf
and detects the moisture level of the
nearby leaf or plant.
Long wireless range up to 300 feet
(100 meters) in open areas
Transmits readings every 79.5
seconds
LCD screen display for current
reading.

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When paired with a GW1000/GW1100
Wi-Fi Gateway:
View leaf wetness reading on the
Live Data page of the
WS View Plus/ Ecowitt APP
(requires the gateway and your phone
is using the same Wi-Fi network)
Up to 8 channels supported. Channel
names can be edited on the app.
Battery level information displayed
on the WS View Plus/ Ecowitt APP
When paired with a Weather Station

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Console (HP2551/HP3500/HP3501):
View leaf wetness data in real-time
on the Display
Up to 8 channels supported. Channel
names can be edited on the
console(for HP2551 only).
When uploaded to Ecowitt Weather
Server:
View current moisture data & history
records & graph on the website
Receive email alerts from the server
Remote monitoring with smart phone,

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laptop, or computer by visiting the
website
3. Setup Guide
3.1 Installing battery
1. Remove the battery door on the back
of the transmitter by removing of the
screw, as shown in Figure 2:( make sure
the rubber seal is intact when mount
or dismount the battery door )

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Figure 2: Battery installation

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2. Insert one 1.5V AA battery (be aware
of polarity: flat side of the battery go
to the spring side of the battery
compartment).
The moisture reading will display on the
LCD screen immediately and normally
update every 79.5 seconds (the sensor
transmission update period).

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Note: If no reading on the screen, make
sure the battery is inserted the correct
way or a proper reset happens. Do not
install the battery backwards. You can
permanently damage the sensor.
4. Close the battery door by installing the
screw.
4. Sensor Placement
This device can be mounted to a crossbar
(compatible diameter range: 19~29mm ;
not included) with the included hose

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clamp. If you need the crossbar and
installation set, please contact us at
[e-mail] or
[e-mail](EU/UK)

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To mount the unit on a vertical pole
(compatible diameter range:
25.4~50.8mm; not included):
Install the U-bolts set and crossbar
(optional) on a vertical pole as
shown on figure 2-1:

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Figure 2-1: Crossbar mounting

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When tight the nut: hand turn the nut
until no further turns to be turned,
then use a wrench to turn 1/3 ~ 1/2
turn and no more.
Mount the unit to the crossbar (not
included) with the included hose clamp:

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Figure 2-2: Sensor mounting to crossbar
Orientation or Tilt: Make sure the
sensing side ( PCB grid visible ) is facing
upwards, and adjust the sensor to have

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the sensor leveled same as the leaf to be
monitored. Usually it should be in the
range between 0 – 30 degrees. And this
will simulate the real wetness condition
matched against leaves.
The optimal sensor placement should be
with 60 degrees tilt with north facing to
simulate the condition in most ideal way:
https://cdnsciencepub.com/doi/10.4141/cj
ps78-027

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5.Wi-Fi Configuration with gateway
To view the sensor data on your mobile
application and receive email alerts on
our weather server, you need to pair this
device with our GW1000/GW1100 Wi-Fi
Gateway or HP2551/HP3500/HP3501
Weather Station (sold separately).
5.1 Pair with Gateway
If the GW1000/GW1100 has been in
operation, and you have never had any
WN35 sensor setup before, just power up
the sensor and GW1000/GW1100 will