Operating instructions for Cable Detector, article 37270766
Page 22 of 34
5.1.9 Tracking lines under plaster
Requirements:
The circuit must be voltage-free.
Connect the transmitter as shown in Fig. 3-1-9.
The transmitter ground conductor must be correctly grounded.
Set the receiver to automatic mode.
Use the indicated signal strength to locate or trace the circuit.
1. The distance between the ground lead and the circuit
being searched must be as large as possible. If the
distance is too small, the signal and the circuit cannot
be precisely located.
2. The search depth is very dependent on the floor
condition. Set a suitable receiver sensitivity in order
to precisely locate the circuit.
3. Moving the receiver slowly along the circuit under
test, you will notice that the display changes often.
The strongest signals show where the circuit is.
4. The greater the distance between transmitter and
receiver, the lower the signal strength and the
weaker the search.
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