Spectrum WatchDog 3000 Series User manual

3000 Series
Wireless Stations
PRODUCT MANUAL
Model #’s
3210MU, 3220MU, 3240MU, 3250MU

2
Thank you for purchasing a WatchDog 3000 Wireless Weather
Station. With internal modem/radio, integrated solar power, and
Bluetooth connectivity to smartphones running the free Watch-
Dog Mobile app to configure the station and check current condi-
tions, the 3000 Series stations are easy to install and operate.
Contents
General overview
Installation 3
Initial Power-Up 6
Configuration Using Bluetooth 7
Using WatchDog Mobile with Bluetooth 7
Setting North for the Wind Vane 9
Configuration Using SpecConnect 10
External Sensors 11
Rain Collector Adjustment 13
Specifications 14
Warranty, CE Certificate 16

3
Installation
Preparation
The weather station should be located in an open, unobstructed,
grassy area to ensure accurate measurement of wind, rainfall,
sunlight, and evapotranspiration.
Mounting hardware is provided to attach the weather station to a
mast/pole with a 1.25 to 1.66” (32 to 42mm) outside diameter and
a wall thickness of at least 0.13” (3.3mm). The mounting pole
should be securely anchored perpendicular to the ground.
For mounting at an approximately 6 foot (1.8m) height, a 1.5 inch
(40mm) OD or larger pole should be used for any station with a
rainfall sensor. If that size is not available, then the station should
be mounted on a tripod, such as Spectrum Technologies item #
3396TPS. Mounting the station at a greater height requires both
the 1.5 inch (40mm) OD or larger pole and guy wires to keep the
station from swaying in the wind.
If you are using the mounting tripod, open it and place it where the
weather station is to be located. The tripod feet can also serve as
mounting brackets if the unit is located on a solid surface. Slide
the 3’ post through both center screw clamps, adjust the height as
desired and tighten the screws so that the post is perpendicular to
the ground.
Assembly
Tools Required: 1/2 inch (13mm) wrench
#2 Phillips screwdriver
The majority of the assembly of each 3000 Series Wireless Sta-
tion is completed prior to shipment. Some parts are not attached
to protect them from damage in shipping. The final assembly can
be done either at the installation site or on a table for conven-
ience.
If final assembly is being done at the installation site, mount the
station to the pole with the provided U-bolts. Use a 1/2 inch
(13mm) wrench to tighten the nuts. Face the solar panel south in
the Northern Hemisphere or north in the Southern Hemisphere.

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Installation
Assembly — Continued
1. Attach the paddle antenna to the top of the bracket by twist-
ing it into the SMA connector. Tighten finger tight so that the
antenna does not unscrew. See images below.
2. For Weather and ET Stations: Attach the anemometer arm to
the front of the bracket using the provided screws (see image
on facing page). The arm should extend parallel to the brack-
et (see images above). Attach the wind cups and wind vane
using the included Allen wrench.
Temperature Alert Station
ET Station. The Weather Station and Rain Station have the
same design with different sensor sets.

5
Installation
3. For ET Stations: Slightly loosen the
left screw and remove the right
screw from the Solar Radiation
Sensor bracket, then rotate the
sensor into position and replace
the right screw.
4. For Rain, Weather, and ET Sta-
tions: Open the Bird Guard pack-
aging and follow the included in-
structions.
5. Unlatch the enclosure latches and
open the front door of the enclo-
sure. The sensor connection re-
quirements are as follows:
• Temperature/RH: Already connected on all models.
• Rain: Already connected on Rain, Weather, and ET
Stations.
• Wind: For Weather and ET Weather Stations, con-
nect the cable from the anemometer.
• Solar Radiation Sensor: For ET Weather Stations,
connect the cable from the sensor to the EXT port
after station is deployed.
• Optional external sensor. If one was purchased, con-
nect it to the EXT port (the ET Station does not have
an available external sensor port).
6. Confirm that all sensor cable connectors are securely pushed
into their sockets.
7. If not already installed onsite, mount the station to the pole
with the provided U-bolts. Use a 1/2 inch (13mm) wrench to
tighten the nuts. Face the solar panel south in the Northern
Hemisphere or north in the Southern Hemisphere.

6
Installation
Initial Power-Up
1. Open the door and turn the power switch “ON”.
2. Monitor the LED. You should see the following signals. The
LED will be off for several seconds between these.
• Long Green to indicate startup is occurring.
• Fast Green/Amber/Red to indicate startup is com-
plete.
• Short Amber flash when initial data is sent to Spec-
Connect.
• Short Green flash indicating the transmission was
successful, or a short Red flash to indicate that it
failed.
3. Configure the device with one of the two options: Bluetooth
with the WatchDog Mobile app on a smartphone (see page 7)
or SpecConnect with computer (see page 10). Please note
that for the Weather and ET Stations, the Wind Vane can on-
ly be configured (to identify “North”) using WatchDog Mobile.

7
Configuration
WatchDog Mobile (Bluetooth)
1. If you have not already done so, go to the app store on your
phone (Apple or Google Play) and download the free Watch-
Dog Mobile app. If it has been installed for a while, check if
you have the latest version installed.
2. Turn Bluetooth on in the station by pressing and holding the
red “Select” button until the Status LED lights (less than 1
second). The LED will repeatedly quick flash until it connects
to a smartphone. The flash will be green if the battery level is
80% or above, amber if it is below 80%, and red if it is below
20%.
3. Open the WatchDog Mobile app and log in with SpecConnect
credentials.
4. Tap the menu button (3 parallel lines) on the top left corner
and select “BLUETOOTH” from the list of options.
5. Tap “Start Scan” and select the station’s serial number once
it appears.
6. Click on the settings (gear-shaped) icon. This will take you to
the configuration page.

8
WatchDog Mobile - Continued
7. Click the “General” tab located on the top left of the screen.
8. Set Latitude and Longitude by clicking the “Use My Location”
button. Alternatively, the “Locate on Map” button can also be
used for setting Latitude and Longitude.
9. Set the Time Zone using the drop-down menu at the bottom
of the page.
10. If an additional sensor is connected to the “EXT” port, config-
ure it by tapping the “Ports” tab at the top of the page.
11. Once complete, tap the Save icon in the top right corner.
Changes will appear in SpecConnect within 5 minutes.
Configuration

9
Set North for the Wind Vane
The Wind Vane on the Weather and ET Stations senses where it
is pointing with respect to the anemometer arm, not the Earth.
You must use the WatchDog Mobile app to configure the station
to “know” which way is North.
1. If you configured your station using SpecConnect, please fol-
low all the instructions on page 7 to use the WatchDog Mo-
bile app with Bluetooth connectivity.
2. Click the “Other” tab located on the top right of the configure
page. A button will appear to “Set North”.
3. Tap the “Set North” button.
4. Point the wind vane in the north direction. When the “Are you
ready?” prompt appears, tap “Yes”.
5. You should see “Success—North Set”. Tap OK, then tap the
Save icon in the top right corner.
Configuration

10
SpecConnect
1. Open a web browser and navigate to www.specconnect.net.
Log in with credentials.
2. Click on the “Equipment” tab on
the left side of the screen.
3. Navigate to the device on the equipment page and click the
“Configure” button.
4. Set the time zone.
5. If an additional sensor is
connected to the “EXT”
port, configure it in Port D.
6. Make any other desired
changes including station
or sensor .
7. Once complete, tap the
save button in the bottom
left corner.
8. The device is now set up,
except that North needs to
be set for the wind vane.
This must be done at the
installation site using a
Bluetooth connection to
the WatchDog Mobile app
on a smartphone (see
page 9).
Configuration

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External Sensors
Item # Description Measurement
Range Accuracy
3665RTipping Bucket Rain
collector N/A ±2%
3666 Leaf Wetness
Sensor 0(Dry) - 15(Wet) N/A
3667,
3667-20
External (Soil)
Temperature Sensor
-40 to 185ºF
-40 to 85ºC
±1.1°F
±0.6°C
3670i Silicon Pyranometer 1-1250 W/m2±5%
3668i,
3668i3,
3668i6
Quantum Light
Sensor and Sensor
Bars
0-2500 µmol m-2s-1±5%
3676i UV Light Sensor 0-200 µmol m-2s-1±5%
6460,
6460-20
WaterScout SM 100
Soil Moisture
Sensor
0% to saturation
(typically 50%) ±3%
6470, 6470-
20
WaterScout SMEC
300 Soil Moisture/
EC/Temperature
Sensor
VWC: 0% to sat.
EC: 0 to 10 mS/cm,
Temp: 0 to 122 °F
(-18 to 50 °C)
VWC” ±3%
EC: ±2%
Temp: ±1.4 °
F (0.8 °C)
3669 Soil Moisture
Transducer 0-100 kPa ±2%
6450WD
6450WD20
Watermark Soil
Moisture Sensor 0 - 200 cbars N/A
6451 Irrigation Sensor Switches at 5 psi ±1 psi
3673
3674
Input Cables for us-
er-supplied sensor
0-2.5V
4-20mA
±0.005V
±1%
The WatchDog 3000 Wireless Stations have an external port for
additional sensor input. The following table lists some of the
available optional sensors. See www.specmeters.com for a com-
plete list. Most sensors include a 6-foot cable with pin-type
connector. Items 3667-20, 6460-20, 6470-20 and 6450WD20
have 20 foot cables.

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13
Rain Collector Adjustment
If rain collector is not reading correctly (or at all):
1. Check the inside of the rain bucket for debris such as leaves that
may be blocking the grid at the bottom of the bucket. Remove the
rain bucket from the base by loosening the four screws, rotating the
bucket slightly counter-wise, and lifting it off. Check for any obsta-
cles (spider webs, debris, etc.) that may be preventing the tipping
spoon from moving freely. If the hole beneath the grid gets clogged
with dirt, the cotter key can be removed to allow it to be cleared.
2. Using the WatchDog Mobile app, connect to the station via Blue-
tooth using steps 1 through 5 of the instructions on page 7. Then
tap the current conditions (thermometer) icon.
3. Note the current rainfall value. Manually move the tipping spoon
back and forth several times. Wait up to 20 seconds for the rainfall
value to change. Check that these tips have been recorded. Do this
several times.
4. If the tips are being counted, skip to step 6.
5. If the app is not showing any or all of the manual tips of the spoon,
it may be that the magnetic sensor on the tipping spoon is too far
from the read switch or that the sensor cable is bad. There are two
cams holding the axle of the tipping spoon that can be rotated to
move the tipping spoon closer to or further away from the read
switch. Make this adjustment and repeat step 3. If the app shows
that the station recorded the manual tips of the spoon, proceed to
step 6. If not, the sensor may need to be sent in for service.
6. If all the tips are being counted, replace the rain bucket and trickle a
known amount of water into the bucket. 84 ml of water should regis-
ter 0.1 inches of water (2.5 mm). This is equivalent to 10 tips of the
tipping spoon. The best results are attained when the water is add-
ed slowly. It is recommended that the water be put in a ziplock bag
which is then punctured with a pin to allow the water to slowly enter
the rain bucket.
7. If the reading is slightly high or slightly low, the sensor can be cali-
brated. When the spoon tips, it lands on screws on either side. If
sensor is reading high, lower the screws. If it is reading low, raise
the screws. It is recommended to adjust the screws a quarter turn
and again run a known amount of water through the bucket to de-
termine if additional adjustment is necessary.

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Included Sensors by Model
Specifications
3210
Temp
Alert
3220
Rain
Station
3240
Weather
Station
3250
ET
Station
Air
Temperature    
Relative
Humidity    
Rainfall Optional   
Wind Speed    
Wind Direction    
Solar
Radiation
Opt. (ext.
port)
Opt. (ext.
port)
Opt. (ext.
port) 
Available
External
Sensor Ports
1110
Measurement
Range Accuracy
Air
Temperature
-40° to 257°F
(-40 to 125°C)
±0.54°F (-40 to 194°F)
±0.3°C (-40 to 90°C)
Relative
Humidity 10% to 100% ±2% @ 77°F (25°C)
Rainfall 0.01” (.0.254mm)
resolution ±2% at <2" (5 cm) /hr
Wind Speed 0, 1 to 200 mph
(0, 1 to 322 km/h)
±2 mph (±3 km/h),
±5%
Wind Direction 0 to 359°, 1° increments ±3°
Solar
Radiation 0 to 1500 W/m2±5%

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Specifications
Modem/Radio Cellular LTE-M (CAT-M1, NB-IoT)
Bluetooth 5.2 For WatchDog Mobile app on smartphones
External Interfaces: USB Type A Port, for Flash Drive
AUX Port, Modular connector (RS-232 9600bpi,
6VDC Power out )
Power In, 5.5/2.1mm Barrel, 12VDC
LED 3-color (Red, Amber, Green)
External Sensor Port 1 x 2.5mm stereo jack , 0 to 3.0VDC analog
input
Data Capacity 30,000 records (312 days at 15 minute inter-
vals)
Power Integrated 3.5W solar panel, optional 12VDC,
Rechargeable 6V/4.5AH SLA battery
Battery Life 14 days minimum with no solar power
Waterproof IP65
Operating
Temperature
-22° to 130°F (-30° to 55°C)
Dimensions
(HxLxW)
12x19.5x11.25in (30.5x49.5x28.6cm)
(Without 7.25 in (18.4 cm) antenna)
Weight 9.90 lbs. (4.49 kg)

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DECLARATION OF CONFORMITY
Spectrum Technologies, Inc.
3600 Thayer Court
Aurora, IL 60504 USA
Model Numbers: 3210MU, 3220MU, 3240MU, 3250MU
Description: WatchDog 3000 Wireless Station
Type: Electrical Equipment for Measurement, Control, and
Laboratory Use
The undersigned hereby declares that the above referenced product is in
conformity with the provisions of:
Directive: 2014/30/EU
Standards: EN 55032: 2015
EN 55035: 2017
EN 61000-6-1: 2019
EN 61000-6-3: 2007+ A1:2011/AC:2012
Michael J. Dunning
Director, Product Strategy October 30, 2020
Warranty
This product is warranted to be free from defects in material or work-
manship for one year from the date of purchase. During the warranty
period Spectrum will, at its option, either repair or replace products that
prove to be defective. This warranty does not cover damage due to im-
proper installation or use, lightning, negligence, accident, or unauthor-
ized modifications, or to incidental or consequential damages beyond
the Spectrum product. Before returning a failed unit, you must obtain a
Returned Materials Authorization (RMA) from Spectrum. Spectrum is
not responsible for any package that is returned without a valid RMA
number or for the loss of the package by any shipping company.
3600 Thayer Court
Aurora, IL 60504
[phone] or [phone]
Fax [phone]
E-Mail: [email protected]
www.specmeters.com
Rev. 11/20