CO/Tech FT0203 User manual

Important:
Read the entire instruction manual carefully
and make sure that you fully understand
it before you use the equipment. Keep the
manual for future reference.
Viktig information:
Läs hela bruksanvisningen noggrant och
försäkra dig om att du har förstått den
innan du använder utrustningen. Spara
bruksanvisningen för framtida bruk.
Viktig informasjon:
Les disse anvisningene nøye og forsikre deg om
at du forstår dem, før du tar produktet ibruk.
Ta vare på anvisningene for seinere bruk.
Tärkeää tietoa:
Lue nämä ohjeet huolellisesti ja varmista
että olet ymmärtänyt ne, ennen kuin alat
käyttää laitetta. Säilytä ohjeet myöhempää
tarvetta varten.
Wichtiger Hinweis:
Vor Inbetriebnahme die komplette Bedienungs-
anleitung durchlesen und aufbewahren.
ENGLISHSVENSKANORSKSUOMIDEUTSCH
Trådlös väderstation med USB
Trådløs værstasjon med USB
Langaton sääasema jossa USB
Funk-Wetterstation mit USB
Art.no Model
18-3676 FT0203
36-7334 FT0203
Wireless Weather Station
with USB
Ver. 20180810
Original instructions
Bruksanvisning i original
Originalbruksanvisning
Alkuperäinen käyttöohje
Original Bedienungsanleitung

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Wireless Weather Station with USB
Art.no 18-3676 Model FT0203
36-7334 FT0203
Please read theentire instruction manual before use and save it for future reference.
We reserve theright for any errors in text or images and for making any necessary
technical changes to this document. If you should have any questions concerning
technical problems please contact our Customer Services.
Table of Contents
Safety..........................................................................................................4
Contents ....................................................................................................5
Assembly kit........................................................................................................................ 6
Keys and functions.................................................................................6
Installation ................................................................................................8
Inserting batteries..................................................................................8
Anemometer....................................................................................................................... 8
Rain gauge........................................................................................................................... 9
Thermometer/hygrometer ............................................................................................ 9
Indoor unit.........................................................................................................................11
Searching for sensors and checking thesensors’functionality .......12
Anemometer.....................................................................................................................12
Rain gauge.........................................................................................................................12
Thermometer/hygrometer ..........................................................................................13
Indoor unit.............................................................................................14
Display/key of symbols .................................................................................................14
Settings/adjustments ....................................................................................................16
Toggle between external temperature/hygrometer sensors..........................19
Max/Min..............................................................................................................................19
Reset measurement values..........................................................................................19
Histograms, weather forecast and moon phases ................................................20
Background lighting ......................................................................................................21
Alarm....................................................................................................................................22
Calibration..........................................................................................................................24

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Safety
• Theunit for indoor use must not be exposed to rain or moisture.
• Theproduct must not be dismantled or modified in any way.
• Theproduct is not intended to be used as areference in any way, and Clas Ohlson
will not be held liable for any damage or injury that may result from inaccurate readings.
• Only use high quality alkaline batteries. Never mix old and new batteries. Change
all batteries at thesame time. Never combine rechargeable batteries with non-
rechargeable batteries.
• When changing batteries in theindoor unit, all recorded data (histograms) and
stored maximum and minimum readings will be deleted.
• Do not expose theproduct to shocks or impacts of any kind.
• Appropriate safety equipment must be used if themounting of thesensors requires
working on aroof.
• Do not spend any time on theroof when there is arisk of thunderstorms.
Final mounting.....................................................................................25
Choice of location ...........................................................................................................25
Software (WeatherHome) ................................................................29
System requirements.....................................................................................................29
Installation .........................................................................................................................29
Instructions for use.........................................................................................................30
Care and maintenance ......................................................................33
Troubleshooting guide......................................................................34
Responsible disposal..........................................................................35
Specifications........................................................................................35
Sensor data........................................................................................................................35
Wireless transfer...............................................................................................................35
Update interval ................................................................................................................35
Batteries..............................................................................................................................36
Mains adapter...................................................................................................................36
Dimensions........................................................................................................................36

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1 2 3
5
478
9 10 11
6
Contents
1. Indoor unit
2. Temperature and humidity sensor (thermometer/hygrometer)
3. Sensor for wind speed and wind direction (anemometer)
4. Rain gauge
5. Filter for therain gauge
6. Arm for theanemometer
7. Mounting attachment for arm
8. Mounting plate for pipe mounting
9. Mains adapter
10. USB cable
11. CD with software (WeatherHome)

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12
13 14 15
16 21
22
23
24
25
17
18
19
20
Assembly kit
12. Pipe clamp, washer and nut (M5) for therain gauge for pipe mounting
13. Screw and nut (M5) for therain gauge for pipe mounting
14. Screw and nut (M3) for thearm for theanemometer
15. Wood screw for thewind gauge for wall/roof mounting
Keys and functions
16. [SNOOZE/LIGHT] Press to activate thesnooze function or to change
thebrightness of thedisplay. Press and hold to turn thedisplay lighting on or off.
17. [CHANNEL/+] Press to change channel or to increase avalue. Press and hold to
manually search for sensors.
18. [MODE/SET] Press to change display mode or to confirm selection. Press and
hold to access thesettings mode.
19. [MAX/MIN/ALARM] Press to show max/min values. Press and hold to display
thepreset alarm thresholds.
20. [HISTORY/−] Press to select histogram. Press and hold to change thesound
settings for thealarm and key presses.
21. Wall bracket
22. USB connection
23. DC 6.0 V
24. Battery cover
25. Table stand

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A
B
C
E
F
D
A. IN Indoor temperature and humidity
TIME Time/date/weekday
B. PRESSURE Air pressure and weather forecast
C. TEMPERATURE Temperature, external sensor
HUMIDITY Humidity, external sensor
D. WIND Wind direction
GUST Wind speed
AVERAGE Average value for wind speed
DEW POINT Dew point
FEELS LIKE Perceived temperature
E. RAIN Precipitation
F. HISTORY Graphical history (24 or 72 hour period)
MOON PHASE Phase of themoon

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Installation
Inserting batteries
Note:
Insert thebatteries into all sensors before inserting batteries into theindoor unit. When
power is supplied to theindoor unit, anautomatic search for nearby sensors will begin.
When inserting thebatteries into theunits, check themarkings in thebattery compartment
to ensure thecorrect polarity.
Anemometer
1. Remove thebattery cover on theunderside of theanemometer.
2. Insert 4×AAA/LR03 batteries. TheLED indicator will be illuminated for 3 seconds,
followed by continued flashing once every 16 seconds to indicate that data is
being transmitted from theunit.
3. If theLED indicator does not flash after thebatteries have been inserted, reset
thesensor by pressing [RESET ].
4. Replace thebattery cover so that it clicks into place.
Remove
the product from
the packaging and
check that nothing
is missing
Insert batteries
into the sensors
(the transmitters)
Start the indoor
unit (the receiver)
and connect
the sensors
Make the settings
for the weather
station and check
that the sensors
are working
Mount the sensors
in an appropriate
location

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Rain gauge
1. Remove thewater collector by turning it in thedirection of thearrow and then
lifting it upwards.
2. Remove thebattery cover. 3. Insert 4×AAA/LR03 batteries.
Theunit will begin to transmit data once
every 60 seconds.
4. Replace thebattery cover.
Thermometer/hygrometer
Note:
• If you are to connect any additional thermometers (other than that which is supplied),
these must be set so that they transmit on different channels. This is done by
altering theDIP switches in thebattery compartment. Atotal of 8 thermometers
may be connected.
• Ensure that theDIP switches have been set before you insert batteries into thesensor.

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C1
C3
C2
1. Unscrew theretaining screw that holds thebattery cover in place, and remove thecover.
2. Set thechannel on which thesensor is to transmit by changing DIP switches 1−3
(see thetable):
DIP switches*
1 2 3 4
OFF OFF OFF °F / °C Channel 1
OFF OFF ON °F / °C Channel 2
OFF ON OFF °F / °C Channel 3
OFF ON ON °F / °C Channel 4
ON OFF OFF °F / °C Channel 5
ON OFF ON °F / °C Channel 6
ON ON OFF °F / °C Channel 7
ON ON ON °F / °C Channel 8
* OFF = down, ON = up, DIP 4 = Down = Farenheit, Up = Centigrade
3. Insert 2×AAA/LR03 batteries. TheLED indicator will be illuminated for 3 seconds,
followed by continued flashing once every 60 seconds to indicate that data is
being transmitted from theunit.
4. Thedisplay shows thecurrent temperature (C1)
and therelative humidity (C2). Check that
thecorrect channel number (C3) is displayed.
5. Replace thebattery cover, ensuring that
thepacking fits tightly around thebattery
compartment, and tighten theretaining screw.

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Indoor unit
Note:
• Make sure that thesensors are working before you connect theindoor unit to
thepower supply.
• Make sure that thesensors are at least 3m and no more than 30m from
theindoor unit. If thesensors are too close or too far away, it may be difficult for
theindoor unit to receive thesignals.
• When theindoor unit is turned on, anautomatic search for nearby sensors will
begin (the symbol will be displayed). Do not press any buttons until all sensors
have been registered – otherwise, thesearch process will be discontinued.
Theindoor unit can be powered either by batteries or by themains electricity using
themains adapter provided.
Battery operation
1. Press in thecatch and remove
thebattery cover.
2. Insert 3×AAA/LR03 batteries.
Check thepolarity markings in
thebattery compartment to ensure
batteries are inserted correctly.
3. Refit thebattery cover.
Mains operation
• Connect themains adapter to thesocket
marked DC6.0V and to a230V
wall socket. “AC ON” will appear on
thedisplay for 3 seconds.
• If themains adapter is removed, and
theweather station reverts to battery
power, thedisplay will show “AC OFF.”
• Themains adapter must be unplugged
during heavy thunderstorms in order to
protect theweather station.

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Searching for sensors and checking thesensors’
functionality
When theindoor unit is turned on, anautomatic search for nearby sensors will begin.
Thesearch is indicated by . If you have more than one thermometer/hygrometer,
thedisplay will alternate between these as they are registered. When thesymbol
disappears, you can test that thesensors are working.
Information
If, when searching, theweather station is unable to find asensor, or if it loses contact
with asensor, “--.-” is shown on thedisplay. Perform amanual search for asensor:
1. In normal mode, press and hold [CHANNEL/+ ] for 3 seconds. “REG” appears on
thedisplay.
2. Press [CHANNEL/+ ] or [HISTORY/-] to select thermometer/hygrometer (CH1−8),
anemometer (WIND), rain gauge (RAIN), all sensors (ALL) or, to cancel thesearch,
(NOT). Confirm your selection by pressing [MODE/SET ].
Anemometer
1. Test thesensor for wind speed
by spinning thecups. Check that
thevalue shown on thedisplay
changes.
Rock therain gauge’s measuring cup
back and forth. Each time themeasuring
cup tips over represents 0.3mm of
precipitation. Check that thevalue shown
on thedisplay changes.
2. Test thesensor for wind direction by
changing theposition of theweather
vane. Check that thedirection
shown on thedisplay changes.
Rain gauge

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If thevalues lie outside of these limits, they can be adjusted on theindoor unit.
See theCalibration section.
Place thesensor close to theindoor unit, and
leave it lying there for approx. 30minutes
so that thetemperature stabilises. Read
thevalues for thetemperature and humidity,
and compare these. Thetemperature values
should be within 1°C (accuracy ±0.5°C)
and thehumidity values should be within 6%
(accuracy ±3%).
If you have any additional thermometers/
hygrometers connected, press [ CHANNEL/+]
(2) repeatedly to switch between these.
Thermometer/hygrometer

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1
2
3
4
5
6
7
8
9
10
11 12 13 14 15 16 17
18
19
20
21
22
23
24
25
262728
Indoor unit
Display/key of symbols

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1. Time/date/weekday
2. Alarm symbol for theclock
3. Alarm symbol for indoor temperature and humidity
4. Weather forecast, storm warning
5. Alarm symbol for air pressure
6. Indicates display mode for relative or absolute air pressure
7. Indicates rolling display of external thermometers/hygrometers
8. Alarm symbol for humidity, external sensor
9. Selected channel number, external sensor
10. Alarm symbol for temperature, external sensor
11. Signal indicator for thermometer/hygrometer. Appears when measurement data is
received and when searching for asensor.
12. Low battery level, external sensor
13. Alarm symbol for dew point
14. Signal indicator for theanemometer. Appears when measurement data is received
and when searching for asensor.
15. Wind direction
16. Alarm symbol for ‘feels like’ temperature
17. Alarm symbol for wind speed
18. Unit of measurement, wind speed
19. Alarm symbol for average wind speed
20. Signal indicator for therain gauge. Appears when measurement data is received
and when searching for asensor.
21. Measurement period, precipitation
22. Alarm symbol for precipitation
23. Indicator for selected histogram
24. Indicator for automatic reset of stored max/min values
25. Measurement scale for histogram
26. Time axis for histogram (24 or 72 hour period)
27. Indicator for memory usage
28. Moon phase indicator

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Settings/adjustments
Set the time, date, units of measurement, threshold values and background lighting
1. In normal mode, press and hold [MODE/SET] for 3 seconds to enter thesettings mode.
2. Press or hold [CHANNEL/+ ] or [HISTORY/−] to change thevalues. Confirm each
step with [MODE/SET].
3. You can, at any point, return to thenormal display by pressing [SNOOZE/LIGHT].
FMT
•12H
•24H
TIME
•Hour
•Minute
DATE
•DDMMyy
•MMDDyy
•Month
•Day
•Year
CLR
•ON
•OFF
UNIT SET
•Temperature
•Wind speed
•Rain
•Pressure
Threshold
•WEATHER
•STORM
Forecast
•Sunny
•Partly cloudy
•Cloudy
•Rainy
REC
•16s, 32s, 48s
•1 –240 min
Backlight Color
•LED
•IN
•OUT
•USE
•LOWER
•UPPER
•BRIGHT
• FMT: Select either 12 or 24-hour clock format (default = 24 hour clock)
• TIME: Set thehours and minutes.
• DATE:
- Set in which order theday and month are to be displayed: DDMMyy or MMDDyy.
- Set themonth.
- Set theday.
- Set theyear.
• CLR:
- Select ON if theweather station’s max/min values are to be reset automatically
at theend of each day (at midnight). “CLEARS 24” is shown on thedisplay.
- Select OFF if they are only to be reset manually. See theReset values section.
• UNIT SET:
- Temperature: Set theunit of measurement in which temperature is to
be displayed: °C or °F
- Wind speed: Set theunit of measurement in which wind speed is to
be displayed: m/s, km/h, knots, mph or btf (Beaufort scale)
- Rain: Set theunit of measurement in which precipitation is to
be displayed (mm or Inch)
- Pressure: Set theunit of measurement in which air pressure is to
be displayed (hPa, inHg or mmHg)

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• Threshold:
- WEATHER: Adjust thethreshold value for positive and negative changes in
pressure: 2−4 mBar/hour (default = 2). Alower value makes
theindicator of theweather forecast more sensitive to changes
in pressure. In areas subject to major variations in pressure,
ahigher value is recommended.
- STORM: Adjust thethreshold value for anegative change in pressure:
3–9 mbar/hour (default = 4). Alower value makes theindicator
of astorm warning more sensitive to changes in pressure.
In areas subject to major variations in pressure, ahigher value is
recommended. Theindicator of astorm warning is activated when
aconstant drop in pressure is registered during 3 consecutive
hours (thecloud & rain symbol flashes).
• Forecast: Adjust theweather forecast indicator based upon current weather
conditions. Selection options: Sunny, Partly cloudy, Cloudy or Rainy
(default = Partly cloudy).
• REC: Set thetime interval for recordings: 16, 32, 48 seconds or 1–240 minutes
(default = 30 minutes).
• LED: Thebackground lighting on theweather station can change colour to reflect
thecurrent outdoor (OUT) or indoor (IN) temperature. Alternatively, you can select
to use (USE) afixed colour (default = OUT). Because thetemperature range varies
according to global location, thetemperature range can be adjusted (see table).
- OUT
- LOWER Set thethreshold value for thelowest outdoor temperature
(default = −12.2).
- UPPER Set thethreshold value for thehighest outdoor temperature
(default = 37.8).
- IN
- LOWER Set thethreshold value for thelowest indoor temperature
(default = 14.4).
- UPPER Set thethreshold value for thehighest indoor temperature
(default = 28.9).
- USE Manually set thebackground colour: Select from achoice of 11 different colours.
No Colour ”OUT” Temp (°C) ”IN” Temp (°C)
1 White <(−12.0) <(14.5)
2 Pink (−12.0)..(−6.5) (14.5)..(16.0)
3 Purple (−6.5)..(−1.0) (16.0)..(17.5)
4 Blue (−1.0)..(4.5) (17.5)..(19.5)
5 Dark-blue (4.5)..(10.0) (19.5)..(21.0)
6 Dark-green (10.0)..(15.5) (21.0)..(23.0)
7 Green (15.5)..(21.0) (23.0)..(24.5)
8 Yellow (21.0)..(26.5) (24.5)..(26.0)
9 Orange (26.5)..(32.0) (26.0)..(27.0)
10 Red (32.0)..(37.5) (27.0)..(29.0)
11 Dark-red >(37.5) >(29.0)

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• BRIGHT Adjust thebrightness of thebackground lighting, from 1 (min.) to 8 (max.).
Change display mode for time/date and measurement values.
1. In normal mode, press [MODE/SET ] repeatedly to select Time/Date, Rain,
Pressure or History.
2. Press [CHANNEL/+ ] or [HISTORY/−] to change display mode.
3. You can, at any point, return to thenormal display by pressing [SNOOZE/LIGHT ].
Time , Date
•Time
•Time & week day
•Date
Rain
•1h
•24h
•Week
•Month
•Total
Pressure
•Relative (REL)
•Absolute (ABS)
History
•24h
•72h
• TIME Choose to display time, time and weekday, or date.
• RAIN Choose to display per hour, per 24 hour period, per week, per month or total
precipitation.
• PRESSURE Choose to display relative (REL) or absolute (ABS) air pressure.
• HISTORY Choose to display for a24 or 72 hour period.
Information about air pressure
Theweather station can display air pressure in two different ways: ABS – absolute
(measured) and REL – relative (adjusted to sea level).
• Therelative value is used by meteorologists in order to be able to compare theair
pressure in different locations.
• Thenormal air pressure at thelevel of thesea’s surface varies according to
geographical location, but has anaverage value of 1013.2hPa. Low pressure is
generally considered to be below 990hPa, and high pressure is above 1020hPa.
• Because air pressure decreases with altitude, therelative value will generally
always be higher than theabsolute value.
Sound settings for key presses and alarm
In normal mode, press and hold [HISTORY/−] for approx. 3 seconds to turn thesound
on or off. “BUZZON” (when turned on) or “BUZZOFF” (when turned off) will be shown
on thedisplay.
When thesound is turned off, key presses will be silent and theweather station will
only issue silent alarms (flashing alarm symbol).

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Toggle between external temperature/hygrometer sensors
• In normal mode, press [CHANNEL/+ ]
repeatedly to switch between connected
thermometers/hygrometers. Therelevant
channel number will be shown on
thedisplay.
• For therolling display of all sensors,
press [CHANNEL/+ ] until appears
on thedisplay. Theweather station will
now display values from each connected
sensor at 5-second intervals.
Max/Min
1. In normal mode, press [MAX/MIN/ALARM ] once. “MAX” will be shown on
thedisplay, together with themaximum values for precipitation, wind speed,
pressure, temperature and humidity.
2. Press [MAX/MIN/ALARM ] again. “MIN” will be shown on thedisplay, together with
theminimum values for pressure, temperature and humidity.
When displaying max/min values, press [HISTORY/−] to toggle between thedisplay
modes for precipitation and air pressure.
Reset measurement values
Max/Min values
Note:
When resetting maximum/minimum values, thestored values for all sensors will also
be reset.
1. In normal mode, press [MAX/MIN/ALARM ] repeatedly to select MAX or MIN.
2. Press and hold [MODE/SET ] for 3 seconds (CLR flashes) in order to reset themax
or min values respectively.
To reset themax/min values automatically, see theSettings/adjustments section (CLR).
Precipitation
1. In normal mode, press [MODE/SET] twice to select thedisplay mode for precipitation.
2. Press [CHANNEL/+ ] or [HISTORY/−] repeatedly to select thedisplay mode.
3. Press and hold [MODE/SET ] for 3 seconds to reset theselected value.
Memory
To clear theweather station’s memory, see theSoftware (WeatherHome) section.

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Histograms, weather forecast and moon phases
Histograms
Theweather station can display recorded
measurement data for thepast 24 or 72 hours.
See theChange display mode for time/date
and measurement values section.
Thevertical axis shows thehistorical changes
compared to thecurrent measurement value.
Thecurrent measurement value (thecolumn
furthest to theright) always shows 0.
E.g. when displaying thetemperature histogram:
If thecolumn shows 0.4, this represents
ahistorical temperature 0.4 degrees higher
than thecurrent temperature.
In normal mode, press [HISTORY/−] repeatedly to switch between thefollowing histograms:
Indoor temperature
Indoor humidity
Outdoor temperature (CH1)
Outdoor humidity (CH1)
Wind
Precipitation
Air pressure