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Measure the depth of the magnet
If the magnet is located at a depth of 35 –70 mm
inside the wall, one LED will start flashing after the
magnet has been found. The flashing LED indicates
how deep the magnet is in the wall according to the
label on the Magnet Locator.
The measurement depends on the dimension of the
magnet. The calculation is optimized for a long
cylindrical magnet with a diameter of 8 mm. The
accuracy of this measurement is then ±5 mm.
Figure 9: The flashing LED indicates the depth of the magnet within the wall
Iron parts in the wall or the orientation of the magnet within the wall can falsify
this value. The magnetic axis and the magnetic pole should be perpendicular
to the wall surface.
Using the external measurement module
By attaching the external measuring module, the
integrated sensor unit of the Magnet Locator is not
used anymore. Instead, the LEDs on the Magnet
Locator are related to the sensor unit in the external
housing.
The measurement procedure is basically the same as
in section 3.3 –3.5, except that the measurement
module must be held against the wall instead of the
Magnet Locator.
Figure 10: Moving the external measuring module towards the magnet,
indicated by the glowing LED
Figure 11: At the position of the magnet, all LEDs are glowing on the Magnet
Locator
