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GREAT BRITAIN • CUSTOMER SERVICE  

tel: 0845 300 9799, e-mail: customerservice@clasohlson.co.uk 

INTERNET 

 www.clasohlson.co.uk

Ver. 20140331

Temperature Sensor for 36-5087

Art.no 36-5123 

Model TW007

Please read the entire instruction manual before using the product and save it for future 
reference. We reserve the right for any errors in text or images and any necessary changes 
made to technical data. If you have any questions regarding technical problems please 
contact our Customer Services.

Important details:

•  Other wireless equipment using the same frequency can reduce the transmission range.
•  The range of all wireless equipment depends on the type of obstacles located between 

the transmitter and the receiver (e.g. a concrete wall will interfere with the signal more 
than a plasterboard wall).

If you experience problems, try the following:

•  Turn off any existing wireless equipment to see if that could be causing the problem.
•  Move the wireless equipment and/or shorten the distance and reduce the number of 

obstacles (walls, furniture, etc) between the transmitter and receiver.

Initialization

1.  Hold in [ CHANNEL ] on the main unit until all the temperature and humidity values show “- -”. 

The main unit will scan for a signal from sensors 1 and 2.

2.  Open the battery cover on the back of the sensor by sliding it in the direction of the arrow. 
3.  Insert 2 × AAA/LR03 batteries. Note the polarity markings at the bottom of the battery 

compartment to ensure correct insertion.

4.  Refit the battery cover.
5.  The readings from sensor 2 will appear on the display after a few seconds.

Installation

Note: 

Move the sensor to its intended location and make sure that it has contact with 

the main unit before permanently installing it.
•  Mount the sensor upright (not lying flat or on its side) on a horizontal surface or  

on a wall using the included holder.

•  Make sure that the sensor is shielded from direct sunlight and heavy rain.

Disposal

This product should be disposed of in accordance with local regulations.  
If you are unsure how to proceed, contact your local authority.

Specifications

Size

 

40 × 80 × 20 mm

Weight

 

60 g

Range

 

Up to 100 m

Measurement range

  Temperature: -20 to +70 °C (-4 to 158 ºF), accuracy ± 2.5 °C (± 4.5 ºF) 

 

Humidity: 20–95% RH, accuracy ± 8% RH

Battery

 2 × AAA/LR03

Frequency

 

433 MHz

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