Beier LM-SM magnetic sensor

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Using the Bluetooth technology, the transmitter and receiver do not need visual contact with a range of several meters.

Subsequently, even after decoupling, the outputs are still controlled and switched on.

Using a magnetic sensor this drawback can be solved. In this case the Bluetooth connection is only built up, when a magnet is near the sensor.

The magnetic sensor must be activated in the LM-Teacher.

At a semitrailer the magnet is fixed below the fifth wheel.


We offer just a couple of shipping options, Royal Mail 1st Class tracked, and Courier tracked.

We try to keep the prices of shipping as low as we can, and as a result give you the choice at the check out to which you prefer.

Damages and Non Delivery

You should inspect the products when you receive them for defects or damage. If you take receipt of a defective or damaged item please inform us immediately, in order that we can resolve the matter with minimum delay.

Any items delivered by courier which appear to be damaged must be signed for as such or refused and returned to sender. Non-delivery of an order needs to be reported to us within 7 working days of the date of despatch. Despatch of your order is confirmed by e-mail and this indicates the date of despatch.


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