Brannan 12/435/3 User manual
Wireless Max Min Thermometer & Humidity Meter
(12/435/3)
Instruction Manual
1. Description of Parts
Fig.1
A1: Indoor temperature A7: Outdoor maximum and minimum symbol
A2: Indoor low power symbol A8: Outdoor low power symbol
A3: Outdoor temperature A9: Indoor humidity symbol
A4: Refresh symbol A10: Wall mounting hook
A5: Channel number A11: Battery compartment
A6: Function buttons A12: Fold-out stand
Fig.2
B1: Wall mounting hook B3: Switch 1-2-3 for channel selection
B2: Battery compartment (screwed) B4: TX button
2. Before You Start
• Please read this instruction manual carefully.
The information in this manual will help you to familiarise yourself with your new device, to learn all
functionsandparts,tondoutimportantdetailsaboutitsrstuseandhowtooperateitandtoget
advice in the event of a malfunction.
• Carefully following the instructions in this manual will prevent damage to your instrument and loss
of your statutory rights arising from defects due to incorrect use.
• We shall not be liable for any damage occurring as a result of the user not following these instructions.
Likewise, we take no responsibility for any incorrect readings and for any consequences which may
result from them.
Fig.2: Transmitter
B1
B2 B3
B4
A1 A10
A2 A11
A9
A3 A8
A4 A7
A5
A6
A12
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Fig.1: Receiver
• Please take particular note of the safety advice!
• Please keep this instruction manual for future reference.
3. Product Contents
• Wireless weather station (Receiver)
• Outdoor transmitter (CH1)
• Instruction manual
4. SpecicationsandFunctions
Temperature range: Indoor: 0°C~+50°C(32°F~122°F) ;
Outdoor: -40°C~+70°C(-40°F~158°F)
Humidity range: Indoor: 10~99%
Temperature accuracy: +/-1°C(2°F) between 0°C and 50°C, otherwise +/-2°C(4°F)
Humidity accuracy: +/-5% between 30 and 60%, otherwise +/-8%
Battery: Receiver: 2 x AAA(included)
Transmitter: 2 x AAA(included)
Transmission distance: 60minfreeeld
Transmission frequency: 433MHZ
Transmission time: CH1 - 50 seconds
CH2 - 53 seconds
CH3 - 56 seconds
Low battery indicator
Maximum and minimum temperature display
5. Safety Precautions
• Thisinstrumentisexclusivelyintendedfortheeldofapplicationdescribedabove.Itshouldonlybe
used as described within these instructions.
• Unauthorisedrepairs,modicationsorchangestotheproductareprohibited.
Caution! Risk of injury!
• Keep these instruments and batteries out of reach of children.
• Batteriesmustnotbethrownintore,short-circuited,dismantledorrecharged.Riskofexplosion!
• Batteries contain harmful acids. Low batteries should be changed as soon as possible to prevent
damage caused by leaking.
• Never use a combination of old and new batteries together or different battery types.
• Wear chemical-resistant protective gloves and safety glasses when handling leaking batteries.
Important information on product safety!
• Keep device away from extreme temperatures, vibrations or shocks.
• Protect device from moisture.
• The outdoor transmitter is splash-proof but not watertight. Choose a shady and dry position for the
transmitter.
6. Getting Started
6.1 Inserting the batteries into the receiver
• Place both instruments on a desk with a distance of approximately 1.5m. Do not position near possible
interference sources (electronic devices or radio installations).
• Removetheprotectivelmfromthedisplayofthereceiver.
• Remove the battery cover and insert two new AAA batteries, polarity as illustrated. Close the battery
compartment again.
• LCD segments will be displayed for a moment then the indoor temperature will be displayed.
6.2 Inserting the batteries into the outdoor transmitter
• Open the screwed battery compartment on the outdoor transmitter.
• The slide switch for channel selection will be set at channel 1 (default).
• Insert two new AAA batteries, polarity as illustrated.
• Close the battery compartment again.
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6.3 Reception of outdoor readings
• The outdoor readings of the transmitter will be transmitted to the receiver. The reading of the outdoor
temperaturewillash“--.--”.
• The channel number and the outdoor temperature in °C (default) will display on the receiver.
• Ifnoreceptionismadewiththeoutdoortransmitterwithinthreeminutes“--.--”willshowonthedisplay.
If this should occur, check the transmitter batteries or for any source of interference before trying
reception again.
• Manual search for outdoor transmitter reception can be made as required (for example when the
transmitter signal is lost or when changing batteries):
- HoldtheCHbuttononthereceiverforthreeseconds“--.--”willappearonthedisplay.
- Press the TX button in the battery compartment of the outdoor transmitter
- Close the transmitter battery compartment carefully.
7. Thermometer
• Ifthetemperaturereadingisabovetheacceptablerange,thereadingwilldisplay“HH.H”.
• Ifthetemperaturereadingisbelowtheacceptablerange,thereadingwilldisplay“LL.L”.
7.1 Maximum/Minimum function
• Press the MAX/MIN button while in normal mode, MAX will be displayed.
- Readings can be taken of the highest indoor and outdoor temperatures since last reset.
• Press the MAX/MIN button again, MIN will be displayed.
- Readings can be taken of the lowest indoor and outdoor temperatures since last reset.
• Press the MAX/MIN button a third time to return to current temperature readings.
• The device will automatically quit MAX/MIN mode if no button is pressed.
• Press the CLEAR button while the maximum or minimum values are displayed to clear the recorded
readings.
7.2 Setting temperature unit
• Units of temperature can be changed between °C (Celsius) and °F (Fahrenheit) by pressing the °C/°F
button on the front of the receiver.
8. Additional Outdoor Transmitters
Up to three outdoor transmitters can be used with this instrument (additional transmitters can be purchased
using product code 12/436/0).
• Select desired channel using the 1/2/3 switch in the battery compartment of the outdoor transmitter.
Use a different channel for each transmitter. The reception of the new transmitter will be transmitted
automatically to the receiver. Press and hold the CH button on the receiver or restart the receiver.
• The outdoor temperature readings will be displayed on the receiver. Press the CH button on the receiver
to change between channels 1, 2 and 3.
• Alternating channels can be displayed:
- After the third channel, press the CH button again, the cycle display symbol will display.
- PresstheCHbuttonagaintodeactivatealternatingchannel,therstoutdoortransmitter
will be shown permanently
• Once registered outdoor transmitters (channels) which are no longer needed can be deleted manually
by pressing the CH button for three seconds.
• When a new outdoor transmitter is received, there will be another indicator.
9. PositioningandFixingofReceiverandOutdoorTransmitters
• Thereceivercanbeplacedontoanyatsurfaceusingthefold-outstandatthebackoftheunit,orcan
be wall mounted at a suitable location using the hanging hole at the back of the unit. Avoid placing near
possibleinterferingeldsuchascomputermonitor,TVsetorsolidmetalobjects.
• Thetransmittercanbeplacedontoanyatsurfaceinasuitablelocationorcanbewallmountedusing
the hanging hole at the back of the unit. The outdoor transmitter should be placed in a shaded and dry
position (direct sunshine can give inaccurate reading and continuous humidity strains the electronic
components needlessly).
• Check the transmission of the signal from the outdoor transmitter to be receiver (transmission range
ofupto60minfreeeld).Ifplacedwithinaferro-concreteroom(superstructures,basementetc)the
received signal is naturally weakened.
• If necessary, choose another position for the outdoor transmitter and/or receiver.
10. Care and Maintenance
• Clean the devices with a soft damp cloth. Do not use solvents or scouring agents.
• Remove batteries if you do not intend to use the products for a long period of time.
• Keep the devices in a dry place.
10.1 Battery replacement
• Change the batteries of the outdoor transmitter when the battery symbol appears on the display of the
outdoor reading.
• Change the batteries of the receiver when the battery symbol appears on the display of the indoor reading.
• Note: When the batteries are changed, the contact between the outdoor transmitter and receiver must
be restored. Always insert new batteries into both devices or start a manual transmitter search
(see point 8 above).
Do not use rechargeable batteries.
11. Troubleshooting
Problem Solution
No indication -> Ensure the polarity of the batteries is correct
at the receiver -> Change the batteries
No reception of the -> No transmitter is installed
outdoor transmitter -> Check batteries of transmitter (do not use rechargeable batteries)
indication “--” -> Restart the transmitter and the receiver
for channel 1/2/3 -> Start the transmitter search manually
-> Reposition the transmitter and/or receiver
-> Reduce the distance between the transmitter and the receiver
-> Check for source of interference
Incorrect indication -> Change the batteries
of low power symbol
displayed
12. Waste Disposal
This product has been manufactured using high grade materials and components which can be recycled and
reused.
• Never dispose of empty batteries and rechargeable batteries in household waste.
As a consumer, you are legally required to take them to your retail store or to an
appropriate collection site depending on national or local regulations in order to
protect the environment.
• This instrument is labelled in accordance with the EU Waste Electrical and Electronic
Equipment Directive (WEEE).
• Please do not dispose of this instrument in household waste. The user is obligated to take end-of-life
devices to a designated collection point for the disposal of electrical and electronic equipment, in order
to ensure environmentally-compatible disposal.
S.Brannan & Sons
Cleator Moor
Cumbria
England CA25 5QE
www.brannan.co.uk
12/435.REV.1.20178
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