Fine Offset Electronics WH22B Weather Station User Manual

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Document ID	3066005
Application ID	HJs/zOYUFK4O7Q/n/KsqVg==
Document Description	User manual
Short Term Confidential	No
Permanent Confidential	No
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Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	140.75kB (1759369 bits)
Date Submitted	2016-07-17 00:00:00
Date Available	2016-07-17 00:00:00
Creation Date	2016-06-07 14:37:25
Producing Software	Microsoft® Office Word 2007
Document Lastmod	2016-06-07 14:37:25
Document Title	For basic settings the following menu is started by touching the touch-screen in the center of the text display
Document Creator	Microsoft® Office Word 2007
Document Author:	EE

Receiver model: WH2642
Sensor model: WH22B
Weather Station User Manual
Table of Contents
1.
2.
3.
Introduction ..................................................................................................................................... 2
Quick Start Guide............................................................................................................................ 2
Getting Started ................................................................................................................................ 2
3.1
Parts List................................................................................................................................. 3
3.2
Recommend Tools .................................................................................................................. 4
3.3
Sensor Array Set Up ............................................................................................................... 4
3.4
Mounting the Sensor Array .................................................................................................. 10
3.4
Outdoor Thermo-Hygrometer Sensor Set Up....................................................................... 12
3.5
Mounting the Outdoor Thermo-Hygrometer Sensor ............................................................ 13
3.6
Indoor Thermo-Hygrometer-Barometer Transmitter ............................................................ 14
3.7
Best Practices for Wireless Communication ........................................................................ 14
3.8
ObserverIP Receiver ............................................................................................................. 15
3.8.1 Hardware Requirements ................................................................................................... 15
3.8.2 Software Requirements .................................................................................................... 15
3.8.3 ObserverIP Connections ................................................................................................... 15
3.9
Finding the ObserverIP from your computer........................................................................ 17
3.9.1 PC Users ........................................................................................................................... 17
3.9.2 Mac Users ........................................................................................................................ 18
3.9.3 Linux Users ...................................................................................................................... 19
3.9.4 Local Device Network Settings........................................................................................ 20
3.10 Weather Network Settings .................................................................................................... 20
3.11 Viewing your Data on Wunderground.com .......................................................................... 24
3.11.1
Web Browser ................................................................................................................ 24
3.11.2
WunderStation iPad App .............................................................................................. 24
3.11.3
Mobile Apps ................................................................................................................. 25
3.11.4
Station Settings ............................................................................................................ 26
3.11.5
Live Data...................................................................................................................... 27
3.11.6
Calibration.................................................................................................................... 28
4. Updating Firmware ....................................................................................................................... 31
5. Glossary of Terms ......................................................................................................................... 33
6. Specifications ................................................................................................................................ 34
6.1
Wireless Specifications ........................................................................................................ 34
6.2
Measurement Specifications................................................................................................. 35
6.3
Power Consumption ............................................................................................................. 35
7. Maintenance .................................................................................................................................. 35
7.1
Cleaning the Rain Gauge Mechanism .................................................................................. 36
8. Troubleshooting Guide.................................................................................................................. 37
9. Liability Disclaimer ...................................................................................................................... 39
10.
FCC Statement.......................................................................................................................... 39
11.
Warranty Information ............................................................................................................... 40
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1. Introduction
Thank you for your purchase of the Weather WH2642 Wireless Internet Remote Monitoring Weather
Station. The following user guide provides step by step instructions for installation, operation and
troubleshooting.
2. Quick Start Guide
Although the manual is comprehensive, much of the information contained may be intuitive. In
addition, the manual does not flow properly because the sections are organized by components.
The following Quick Start Guide provides only the necessary steps to install, operate the weather
station, and upload to the internet, along with references to the pertinent sections.
Step
Required
Description
Assemble and power up the sensor array
Power up the outdoor thermo-hygrometer sensor
Power up the indoor thermometer-hygrometer-barometer sensor
Power up the ObserverIP, connect to your router and synchronize with the
indoor and outdoor sensors
Calibrate the relative pressure to sea-level conditions (local airport) on the
ObserverIP module
Register and upload to Weather Underground Weather Server
Section
3.3
3.4
3.6
3.8
3.11.6.1
3.10
3. Getting Started
The WS-0900-IP weather station consists of an ObserverIP receiver, the sensor array, the outdoor
thermo-hygrometer sensor, and the indoor wireless thermo-hygrometer-barometer.
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3.1 Parts List
QTY
Item
ObserverIP Receiver
Dimensions (LxWxH): 3x2x1”
Sensor Array
Sensor array mounting pole extension
Sensor mounting pole extension nut and
bolt
Allen wrench
Pole mounting U-bolts
Pole mounting clamps
Pole mounting nuts
Outdoor thermo-hygrometer transmitter
(WH32E)
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QTY
Item
Indoor thermo-hygrometer-barometer
transmitter (WH32B)
Sensor screws (for hanging
thermo-hygrometer and
thermo-hygrometer-barometer sensors)
Zip Ties (for hanging thermo-hygrometer
and thermo-hygrometer-barometer
sensors)
5V DC Adaptor
Ethernet Cable
User manual
3.2 Recommend Tools
 Precision screwdriver (for small Phillips screws)
 Compass or GPS (for wind direction calibration)
 Adjustable Wrench
3.3 Sensor Array Set Up
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Figure 1
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1. Insert batteries into the sensor array. Locate the battery door on the sensor array, as shown
in Figure 2. Turn the set screw counter clockwise to loosen the screw, and rotate the sheet
metal bracket to open the battery compartment.
Figure 2
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Pull out the battery compartment, as shown in Figure 3.
Figure 3
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Insert 2 x AA batteries in the battery compartment, as shown in Figure 4.
Note: Do not install the batteries backwards. You can permanently damage the
thermo-hygrometer. Do not use rechargeable batteries.
Note: We recommend installing Lithium AA batteries
Lithium batteries provide longer life and operate in colder temperatures.
Figure 4
Reinsert the battery compartment into sensor array (hold upright so the batteries do not slide out), and
close the battery compartment door and tighten the set screw.
The LED on the back of the rain collector will turn on for four seconds and normally flash once every
45 seconds (the sensor transmission update period).
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2. Attach the wind cups to the anemometer assembly (if necessary, some weather stations
come pre-assembled).. Push the wind cups into the anemometer shaft, as shown in Figure 5.
Tighten the set screw with the Allen Wrench (included), as shown in Figure 5. Make sure
the wind cups spin freely.
Figure 5
3. Attach the mounting pole extension with the extension pole, nut and bolt, as shown in Figure
6.
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Figure 6
3.4 Mounting the Sensor Array
Prior to installation, you will need to calibrate the wind direction. There is a “S” indicator on the wind
vane that indicates South, as shown in Figure 7. Align this “S” marker in the direction of South.
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Figure 7
Fasten the mounting pole to your mounting pole or bracket (purchased separately) with the two
U-bolts, mounting pole brackets and nuts, as shown in Figure 8.
Figure 8
Tighten the mounting pole to your mounting pole with the U-Bolt assembly, as shown in Figure 9.
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Figure 9
3.4 Outdoor Thermo-Hygrometer Sensor Set Up
Note: To avoid permanent damage, please take note of the battery polarity before inserting the
batteries.
The outdoor thermometer-hygrometer measures and displays the outdoor temperature and humidity to
the ObserverIP receiver.
Remove the battery door on the back of the sensor by sliding off the battery door. Insert two AA
batteries as shown in Figure 10, and close the battery door. Note that the temperature and humidity
will be displayed on the LCD display.
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We recommend lithium batteries for cold weather climates, but alkaline batteries are sufficient for
most climates. We do not recommend rechargeable batteries. They have lower voltages, do not operate
well at wide temperature ranges, and do not last as long, resulting in poorer reception.
Figure 10
3.5 Mounting the Outdoor Thermo-Hygrometer Sensor
It is recommended you mount the remote sensor on an outside north facing wall, in a shaded area, at a
height at or above the receiver. Direct sunlight and radiant heat sources will result in inaccurate
temperature readings. Although the sensor is weatherproof, it is best to mount in a well protected area,
such as an eve.
Use a small nail or screw (included) to mount to a vertical surface, as shown in Figure 11.
Figure 11
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The sensor can also be hung from a nylon zip tie (included) or string (not included).
Figure 12
3.6 Indoor Thermo-Hygrometer-Barometer Transmitter
The indoor thermometer, hygrometer and barometer measures and displays the indoor temperature,
humidity and pressure and transmits this data to the ObserverIP receiver.
Note: Do not install the thermo-hygrometer-barometer transmitter outside. This will cause errors
in the barometric pressure due to large variations in temperature (barometric pressure is temperature
compensated for accuracy). Note that pressure readings made inside your home, business, or facility
will correspond closely to the actual barometric pressure outside.
Note: The thermo-hygrometer-transmitter transmits directly to the ObserverIP receiver. For best
results, place between 5 to 20 feet from the ObserverIP receiver.
Note: To avoid permanent damage, please take note of the battery polarity before inserting the
batteries.
Remove the battery door on the back of the sensor by sliding off the battery door. Insert two AA
batteries as shown in Figure 10, and close the battery door. Note that the temperature, humidity and
barometer will be displayed on the LCD display.
3.7 Best Practices for Wireless Communication
Note: To insure proper communication, mount the remote sensor(s) upright on a vertical surface,
such as a wall. Do not lay the sensor flat.
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Wireless communication is susceptible to interference, distance, walls and metal barriers. We
recommend the following best practices for trouble free wireless communication.
1. Electro-Magnetic Interference (EMI). Keep the ObserverIP receiver several feet away from
computer monitors and TVs.
2. Radio Frequency Interference (RFI). If you have other 433 MHz devices and
communication is intermittent, try turning off these other devices for troubleshooting
purposes. You may need to relocate the transmitters or receivers to avoid intermittent
communication.
3. Line of Sight Rating. This device is rated at 300 feet line of sight (no interference, barriers or
walls) but typically you will get 100 feet maximum under most real-world installations,
which include passing through barriers or walls.
4. Metal Barriers. Radio frequency will not pass through metal barriers such as aluminum
siding. If you have metal siding, align the remote and ObserverIP receiver through a window
to get a clear line of sight.
The following is a table of reception loss vs. the transmission medium. Each “wall” or obstruction
decreases the transmission range by the factor shown below.
Medium
RF Signal Strength Reduction
5-15%
10-15%
10-40%
10-40%
40-80%
90-100%
Glass (untreated)
Plastics
Wood
Brick
Concrete
Metal
3.8 ObserverIP Receiver
3.8.1 Hardware Requirements
1. Broadband router
2. An “always-on” connection to the Internet. A high speed DSL or cable internet connection
that maintains constant connection to the internet.
3.8.2 Software Requirements
An IP scan tool is required to locate the ObserverIP on the network.
3.8.3 ObserverIP Connections
Connect the ObserverIP receiver power jack to AC power with the power adapter (included), as shown
in Figure 14, reference 10.
Connect the OberverIP receiver to your router using the Ethernet cable (included), as shown in Figure
14, reference 8.
Place the indoor and outdoor transmitters about 5 to 10 feet from the ObserverIP receiver and wait
several minutes for the remote sensors to synchronize with the receiver. Once synchronized, the
Indoor blue LED (Figure 13, reference 2) and Outdoor blue LED (Figure 13, reference 3) will be
illuminated.
All of the lights will turn on except the server light (until you connect to Weather Underground)>
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Ref.
RF
Indoor
Outdoor
LED
Server
ACT
Link
Power
Description
On when radio frequency receiver is operating properly
On when indoor sensor received
Flashes when one outdoor sensor received. On when both outdoor
sensors are received.
On when connected to Wunderground.com® internet hosting
service
Flashes when there is internet activity
Connected to the Internet (or router)
AC Power connected
Figure 13
Ref.
Description
LAN connection (connect to router)
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Ref.
10
Description
Reset button
AC Power connection
Figure 14
3.9 Finding the ObserverIP from your computer
3.9.1 PC Users
The HostIP (your computers IP address) will be displayed. Press the OK button to continue.
Figure 15
Select the Search button to find the ObserverIP on your local area network.
Figure 16
Select the ObseverIP module on your network as shown in Figure 17 (the field will be highlighted)
and select the Open button (or double click this field) to view the ObserverIP module’s webpage
within your browser. Alternately, you can type the IP address in your web browser address bar
(example, Figure 18):
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Figure 17
Figure 18
You are now communicating directly to the ObserverIP and can proceed to Section 3.9.
3.9.2 Mac Users
The file is compressed as a zip file and must be extracted to run.
Select the Search button to find the ObserverIP on your local area network.
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Figure 19
Select the ObseverIP module on your network as shown in Figure 19 (the field will be highlighted)
and select the Open button (or double click this field) to view the ObserverIP module’s webpage
within your browser. Alternately, you can type the IP address in your web browser address bar
(example, Figure 18):
Figure 20
You are now communicating directly to the ObserverIP and can proceed to Section 3.9.
3.9.3 Linux Users
If you use an Apple or Linux operating system, download any commercially available IP scan tool,
such as AngryIP Scanner and find the MAC address of the ObserverIP. The MAC address is a unique
identifier for internet enabled devices.
The MAC address will be printed on the bottom of the ObseverIP receiver. An example MAC address
is 00:0E:C6:00:00:19.
Figure 21 shows typical scan results. Locate the IP address of the ObserverIP by cross referencing the
Mac address. In the example below, the IP address is 192.168.0.105.
Figure 21
Type the IP address you located from the IP Scan Tool into your web browser (example, Figure 22):
Figure 22
You are now communicating directly to the ObserverIP and can proceed to Section 3.9.
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3.9.4 Local Device Network Settings
From your web browser, access the ObserverIP from the IP address obtained in the previous section.
Select the Local Network tab to program the local network settings. Reference Figure 23:
1. IP Address. The default setting is receive automatically (DCHP), which is recommended.
The network will assign an IP address. To statically assign an IP address, select Static from
the pull down menu. This will prevent the IP address from changing each time you power up
the ObserverIP receiver.
2. Static IP Address. If Static is selected as the IP address, enter the IP address you wish to
access the ObserverIP device.
3. Static Subnet Mask. Default is 255.255.255.0. This should not be changed unless you are
familiar with networking and subnet masking.
4. Static Default Gateway. This is typically the IP address of your router.
5. Static DNS Server. This is your DNS Server setting based on your router connection.
6. Server Listening Port. Default is 5000. Enter an integer between 1024 – 65535.
If you made any Static IP Address changes (not recommended), to confirm these changes, select
Apply and Reboot.
Note: If you incorrectly set the static IP settings and can no longer access the ObserverIP, press the
reset button on the back of the module.
Figure 23
3.10 Weather Network Settings
Select the Weather Network tab to program the Weather Underground station settings. Reference
Figure 24:
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Figure 24
Enter the Station ID and password obtained from Wunderground.com® . Select the Apply button to
confirm changes.
Note: How to create a Wunderground.com® account and station ID.
1. Join the Wunderground.com® Community. Visit:
https://www.wunderground.com/members/signup.asp
and sign up with Wunderground.com.
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2. Join the Personal Weather Station (PWS) network. Visit:
http://www.wunderground.com/personal-weather-station/signup
or select More | Register Your PWS from the menu at the top of the
WeatherUndeground.com website:
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Enter the Station ID obtained and password you entered into the ObserverIP Weather Server panel.
Note: If Wunderground.com is not updating, make sure the Station ID and Password are
correct. The Station ID is all capital letters, and the password is case sensitive. The most common
issue is substituting an O for 0 in the Station ID. Example, You live in Phoenix, AZ and you are station
number 11:
KAZPHOEN11, not KAZPH0EN11
K = USA station designation
AZ = Arizona
PHOEN = Phoenix
11= station 11 in Phoenix, AZ
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3.11 Viewing your Data on Wunderground.com
There are several ways to view your data on Wunderground:
3.11.1 Web Browser
Visit:
http://www.wunderground.com/personal-weather-station/dashboard?ID=STATIONID
where STATIONID is your personal station ID (example, KAZSEDON12).
Figure 25
3.11.2 WunderStation iPad App
Visit:
http://www.WunderStation.com
to download the WunderStation iPad app.
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Figure 26
3.11.3 Mobile Apps
Visit:
http://www.wunderground.com/download/index.asp
for a complete list of Mobile apps for iOS and Android. Alternately, you can find your data on your
mobile device’s web browser.
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Figure 27
3.11.4 Station Settings
Select Apply to confirm any of the changes in this section.
3.11.4.1 Wireless Transmitter Settings
Weather Station Model Number: Enter your weather station model number.
3.11.4.2 Time Zone Setting
Enter your local time zone and daylight Savings Time.
3.11.4.3 Daylight Savings Time
Enter off if you live in Hawaii or Arizona, where DST is not observed. Enter on if you live anywhere
else, even if you are currently observing standard time.
3.11.4.4 Units of Measure
Enter your preferred units of measure for each parameter.
3.11.4.5 System Reboot
If server communication is lost for 20 minutes, the ObserverIP module will reboot.
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Figure 28
3.11.5 Live Data
Select the Live Data tab to view your live data from the weather station. To freeze the live data
updates, select the Stop Refresh button.
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Figure 29
3.11.6 Calibration
Select the Calibration tab to view your calibration data from the weather station. Select the Apply
button to confirm changes.
Calibration of most parameters is not required, with the exception of Relative Pressure, which must be
calibrated to sea-level to account for altitude effects. For more information on sea-level pressure
calibration, please reference note (3) below.
3.11.6.1 Relative Barometric Pressure Calibration Example
The following is an example of calibrating the relative pressure. Your results will vary.
1. The local relative pressure from TV, the newspaper or the internet for the official station in
your area is 30.16 inHg.
2. From the Live Data panel, your absolute pressure (measured, and not corrected to sea-level)
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reads 28.90 inHg.
3. Reference Figure 30.
Pressure Offset:
Enter the following offset in the Calibration panel for Relative
Relative Pressure Offset = 30.16 – 28.90 = 1.26
Figure 30
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Parameter
Temperature
Type of
Calibration
Offset
Default
Typical Calibration Source
Current Value
Red Spirit or Mercury
Thermometer (1)
Humidity
Offset
Current Value Sling Psychrometer (2)
ABS
Offset
Current Value Calibrated laboratory grade
Barometer
barometer
REL Barometer Offset
Current Value Local airport (3)
Wind
Gain
1.00 Calibrated laboratory grade
wind meter (6)
Rain
Gain
1.00 Sight glass rain gauge with an
aperture of at least 4” (7)
Daily Rain
Offset
Current Value Apply an offset if the weather
station was not operating for
the entire day.
Weekly Rain
Offset
Current Value Apply an offset if the weather
station was not operating for
the entire week.
Monthly Rain
Offset
Current Value Apply an offset if the weather
station was not operating for
the entire month.
Yearly Rain
Offset
Current Value Apply an offset if the weather
station was not operating for
the entire year.
(1) Temperature errors can occur when a sensor is placed too close to a heat source (such as a
building structure, the ground or trees).
To calibrate temperature, we recommend a mercury or red spirit (fluid) thermometer. Bi-metal
(dial) and digital thermometers (from other weather stations) are not a good source and have
their own margin of error. Using a local weather station in your area is also a poor source due
to changes in location, timing (airport weather stations are only updated once per hour) and
possible calibration errors (many official weather stations are not properly installed and
calibrated).
Place the sensor in a shaded, controlled environment next to the fluid thermometer, and allow
the sensor to stabilize for 48 hours. Compare this temperature to the fluid thermometer and
adjust the ObserverIP receiver to match the fluid thermometer.
(2) Humidity is a difficult parameter to measure electronically and drifts over time due to
contamination. In addition, location has an adverse affect on humidity readings (installation
over dirt vs. lawn for example).
Official stations recalibrate or replace humidity sensors on a yearly basis. Due to
manufacturing tolerances, the humidity is accurate to ± 5%. To improve this accuracy, the
indoor and outdoor humidity can be calibrated using an accurate source, such as a sling
psychrometer.
(3) The ObserverIP receiver displays two different pressures: absolute (measured) and relative
(corrected to sea-level).
To compare pressure conditions from one location to another, meteorologists correct pressure
to sea-level conditions. Because the air pressure decreases as you rise in altitude, the sea-level
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corrected pressure (the pressure your location would be at if located at sea-level) is generally
higher than your measured pressure.
Thus, your absolute pressure may read 28.62 inHg (969 mb) at an altitude of 1000 feet (305
m), but the relative pressure is 30.00 inHg (1016 mb).
The standard sea-level pressure is 29.92 in Hg (1013 mb). This is the average sea-level
pressure around the world. Relative pressure measurements greater than 29.92 inHg (1013
mb) are considered high pressure and relative pressure measurements less than 29.92 inHg are
considered low pressure.
To determine the relative pressure for your location, locate an official reporting station near
you (the internet is the best source for real time barometer conditions, such as Weather.com or
Wunderground.com® ), and set your weather station to match the official reporting station.
(4) Wind speed is the most sensitive to installation constraints. The rule of thumb for properly
installing a wind speed sensor is 4 x the distance of the tallest obstruction. For example, if
your house is 20’ tall and you mount the sensor on a 5’ pole:
Distance = 4 x (20 – 5)’ = 60’.
Many installations are not perfect and installing the weather station on a roof can be difficult.
Thus, you can calibrate for this error with a wind speed multiplier.
In addition to the installation challenges, wind cup bearings (moving parts) wear over time.
Without a calibrated source, wind speed can be difficult to measure. We recommend using a
calibrated wind meter and a constant speed, high speed fan.
(5) The rain collector is calibrated at the factory based on the funnel diameter. The bucket tips
every 0.01” of rain (referred to as resolution). The accumulated rainfall can be compared to a
sight glass rain gauge with an aperture of at least 4”.
Make sure you periodically clean the rain gauge funnel.
Note: The purpose of calibration is to fine tune or correct for any sensor error associated with the
devices margin of error. Errors can occur due to electronic variation (example, the temperature sensor
is a resistive thermal device or RTD, the humidity sensor is a capacitance device), mechanical
variation, or degradation (wearing of moving parts, contamination of sensors).
Calibration is only useful if you have a known calibrated source you can compare it against, and is
optional. This section discusses practices, procedures and sources for sensor calibration to reduce
manufacturing and degradation errors. Do not compare your readings obtained from sources such as
the internet, radio, television or newspapers. The purpose of your weather station is to measure
conditions of your surroundings, which vary significantly from location to location.
4. Updating Firmware
You must own a PC to update the firmware. Sorry, Linux and Apple products are currently not
supported. We will update your ObserverIP at no cost (appropriate shipping charges will apply).
1. Download the latest version of firmware
2. Important Note: Close all of other applications while running the firmware update. This
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will insure the upgrade process will not be interrupted.
3. Launch the IP Tools application as referenced in Section 3.9, and locate the ObserverIP on
your network. Reference Figure 31. Select the Upgrade button to begin the firmware upgrade.
As shown in this figure, the IP address of the ObserverIP is 192.168.0.7. Make a note of your
IP address (your results will vary).
Figure 31
4. Reference Figure 32. Select the Select File button, and browse to the location of the file you
downloaded in Step 1.
Figure 32
5. Select the Upgrade Firmware button. Reference Figure 33. The dialog box will display
Received a Read Request from the ObserverIP module. A green progress bar will provide
you with the upgrade status.
DO NOT OPERATE THE MOUSE OR KEYBOARD WHEN UPGRADING to prevent
interruption of the upgrade.
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Figure 33
6. Once the firmware upgrade is complete, the dialog box will display Read session is
completed successfully, as shown in Figure 34.
Figure 34
7. Wait about one minute for the ObserverIP module to reboot. You can now Exit the upgrade
window, and access the module again, as referenced in Section 3.9.
You may be required to enter some settings, so check all of the panels for completeness.
5. Glossary of Terms
Term
Absolute Barometric
Pressure
Definition
Absolute pressure is the measured atmospheric pressure and is a
function of altitude, and to a lesser extent, changes in weather
conditions.
Absolute pressure is not corrected to sea-level conditions. Refer to
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Term
Accuracy
Barometer
Calibration
Dew Point
HectoPascals (hPa)
Hygrometer
Inches of Mercury (inHg)
Rain Gauge
Range
Relative Barometric
Pressure
Resolution
Thermometer
Wind Vane
Definition
Relative Barometric Pressure.
Accuracy is defined as the ability of a measurement to match the actual
value of the quantity being measured.
A barometer is an instrument used to measure atmospheric pressure.
Calibration is a comparison between measurements – one of known
magnitude or correctness of one device (standard) and another
measurement made in as similar a way as possible with a second device
(instrument).
The dew point is the temperature at which a given parcel of humid air
must be cooled, at constant barometric pressure, for water vapor to
condense into water. The condensed water is called dew. The dew point
is a saturation temperature.
The dew point is associated with relative humidity. A high relative
humidity indicates that the dew point is closer to the current air
temperature. Relative humidity of 100% indicates the dew point is equal
to the current temperature and the air is maximally saturated with water.
When the dew point remains constant and temperature increases,
relative humidity will decrease.
Pressure units in SI (international system) units of measurement. Same
as millibars (1 hPa = 1 mbar)
A hygrometer is a device that measures relative humidity. Relative
humidity is a term used to describe the amount or percentage of water
vapor that exists in air.
Pressure in Imperial units of measure.
1 inch of mercury = 33.86 millibars
A rain gauge is a device that measures liquid precipitation (rain), as
opposed to solid precipitation (snow gauge) over a set period of time.
All digital rain gauges are self emptying or self dumping (also referred
to as tipping rain gauge). The precision of the rain gauge is based on the
volume of rain per emptying cycle.
Range is defined as the amount or extent a value can be measured.
Measured barometric pressure relative to your location or ambient
conditions.
Resolution is defined as the number of significant digits (decimal
places) to which a value is being reliably measured.
A thermometer is a device that measures temperature. Most digital
thermometers are resistive thermal devices (RTD). RTDs predict change
in temperature as a function of electrical resistance.
A wind vane is a device that measures the direction of the wind. The
wind vane is usually combined with the anemometer. Wind direction is
the direction from which the wind is blowing.
6. Specifications
6.1 Wireless Specifications



Line of sight wireless transmission (in open air): 300 feet, 100 feet under most conditions
Update Rate: about one minute
Frequency: 915 MHz
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6.2 Measurement Specifications
The following table provides the specifications for the measured parameters.
Measurement
Indoor Temperature
Outdoor Temperature
Indoor Humidity
Outdoor Humidity
Barometric Pressure
Range
32 to 140 °F
-40 to 149 °F sensor
-23 to 140 °F rechargeable
battery range (alkaline)
1 to 99%
1 to 99%
8.85 to 32.50 inHg
Rain
Wind Direction
0 to 394 in.
0 - 360 º
Wind Speed
0 to 110 mph
Accuracy
± 2 °F
± 2 °F
Resolution
0.1 °F
0.1 °F
± 5%
± 5%
± 0.08 inHg (within range of
27.13 to 32.50 inHg)
± 10%
22.5º (16 point compass)
1%
1%
0.01 inHg
± 2.2 mph or 10% (whichever
is greater)
0.01 in
22.5º (16
point
compass)
0.1 mph
6.3 Power Consumption





ObserverIP Receiver : 5V DC Adaptor (included)
Indoor Thermo-hygrometer-barometer sensor : 2xAA batteries (not included)
Outdoor Thermo-hygrometer sensor: 2xAA batteries (not included)
Sensor Array: 2x AA batteries (not included)
Battery life: Minimum 12 months for sensor array
Minimum 24 months for thermo-hygrometer sensor (use lithium batteries in cold weather
climates)
7. Maintenance
1. Clean the rain gauge once every 3 months
2. Replace the transmitter batteries once every 1-2 years
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7.1 Cleaning the Rain Gauge Mechanism
1. Reference Figure 35. Loosen the three recessed screws on the bottom of the rain gauge
assembly until there is little tension.
Figure 35
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2. Pull the rain gauge funnel from the assembly as shown in Figure 36.
Figure 36
3. Clean the mechanism with a damp cloth, removing all of the insects and debris and
re-assemble the rain gauge.
8. Troubleshooting Guide
Problem
Wireless remote(s) not
reporting in to
ObserverIP Receiver.
Solution
The maximum line of sight communication range is about 300’. Move the
sensor assembly closer to the ObserverIP receiver.
Install a fresh set of batteries in the remote sensor(s).
Do not lay the sensor(s) flat.
Make sure the remote sensors are not transmitting through solid metal (acts
as an RF shield), or earth barrier (down a hill).
Radio Frequency (RF) Sensors cannot transmit through metal barriers
(example, aluminum siding) or multiple, thick walls.
Temperature sensor
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Move the ObserverIP receiver around electrical noise generating devices,
such as computers, TVs and other wireless transmitters or receivers.
Make certain that the sensor is not too close to heat generating sources or
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reads too high in the
day time.
strictures, such as buildings, pavement, walls or air conditioning units.
Make sure the thermo-hygrometer is mounted in a shaded area on the north
facing wall.
Relative pressure does
not agree with official
reporting station
Data not reporting to
Wunderground.com®
Use the calibration feature to offset installation issues related to radiant heat
sources. Reference Section 3.11.6.
Make sure you properly calibrate the relative pressure to an official local
weather station. Reference Section 3.11.6 for details.
1. Confirm your password is correct. It is the password you
registered on Wunderground.com® . Your Wunderground.com®
password cannot begin with a non-alphanumeric character (a
limitation of Wundeground.com, not the station). Example,
$oewkrf is not a valid password, but oewkrf$ is valid.
2. Confirm your station ID is correct. The station ID is all caps, and
the most common issue is substituting an O for a 0 (or visa
versa). Example, KAZPHOEN11, not KAZPH0EN11.
3. Make sure your time zone is set properly. If incorrect, you may be
reporting old data, not real time data.
4. Check your router firewall settings. The ObserverIP sends data
via Port 80.
Only the Power, Link
and ACT lights are lit
and the ObserverIP
module does not
communicate to the
server.
The firmware will need to be reloaded.
1. Download the latest firmware here:
2. Power down the ObserverIP module but leave connected to your
router.
3. Launch the IP Tools application as referenced in Section 3.9. Since
the module is powered down, you will not be able to locate it on
your network, but proceed anyway.
4. Select the Upgrade button.
5. Reference Figure 32. Select the Select File button, and browse to
the location of the file you downloaded in Step 1.
6. Select the Upgrade Firmware button.
7. Plug in the ObserverIP module. The software will locate the device
on your network and begin the update.
Reference Figure 33. The dialog box will display Received a
Read Request from the ObserverIP module. A green progress bar
will provide you with the upgrade status.
DO NOT OPERATE THE MOUSE OR KEYBOARD WHEN
UPGRADING to prevent interruption of the upgrade.
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8. Once the firmware upgrade is complete, the dialog box will display
Read session is completed successfully, as shown in Figure 34.
9. Wait about one minute for the ObserverIP module to reboot. You
can now Exit the upgrade window, and access the module again, as
referenced in Section 3.9.
All of the lights should be on except the Server light (you will need
to reprogram the Wunderground.com settings).
9. Liability Disclaimer
Please help in the preservation of the environment and return used batteries to an authorized depot.
The electrical and electronic wastes contain hazardous substances. Disposal of electronic waste in
wild country and/or in unauthorized grounds strongly damages the environment.
Reading the “User manual” is highly recommended. The manufacturer and supplier cannot accept any
responsibility for any incorrect readings and any consequences that occur should an inaccurate reading
take place.
This product is designed for use in the home only as indication of weather conditions. This product is
not to be used for medical purposes or for public safety information.
The specifications of this product may change without prior notice.
This product is not a toy. Keep out of the reach of children.
No part of this manual may be reproduced without written authorization of the manufacturer.
10. FCC Statement
Statement according to FCC part 15.19:
This device complies with part 15 of the FCC rules. Operation is subject to the following two
conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received, including interference that may cause
undesired operation.
Statement according to FCC part 15.21:
Changes or modifications not expressly approved by this company could void the user's authority to
operate the equipment.
Statement according to FCC part 15.105:
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates, uses and
can radiate radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which can be determined
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by turning the equipment off and on, the user is encouraged to try to correct the interference by one or
more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
11. Warranty Information
We provides a 1-year limited warranty on this product against manufacturing defects in materials and
workmanship.
This limited warranty begins on the original date of purchase, is valid only on products purchased and
only to the original purchaser of this product.
The warranty covers all defects in material and workmanship with the following specified exceptions:
(1) damage caused by accident, unreasonable use or neglect (lack of reasonable and necessary
maintenance); (3) damage resulting from failure to follow instructions contained in your owner’s
manual; (4) damage resulting from the performance of repairs or alterations by someone other than an
authorized service center; (5) units used for other than personal use (6) applications and uses that this
product was not intended (7) the products inability to receive a signal due to any source of interference
or metal obstructions and (8) extreme acts of nature, such as lightning strikes or floods.
This warranty covers only actual defects within the product itself, and does not cover the cost of
installation or removal from a fixed installation, normal set-up or adjustments, claims based on
misrepresentation by the seller or performance variations resulting from installation-related
circumstances.
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