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1.3
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Plastic pipes cannot be located by conventional electromagnetic
means because they are not electroconductive.
The acoustic method of locating pipes applies a different principle:
Pipes transmit mechanical vibrations better than the surrounding
ground. When the pipe is caused to vibrate appropriately, these
vibrations are transmitted along the pipe and then through the
ground to the earth’s surface. Here they can be picked up using
a ground microphone and the corresponding receiver with
headphones according to the
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principle.
Just like with water leak detection, the pipeline is usually wherever
the greatest intensity is detected. Fiber cement pipes and metal
pipes can also be located in this way.
If you want to locate pipes by acoustic means, follow the operating
instructions for the vibration detector (e.g. COMBIPHON). To
locate the pipe, proceed as you would when detecting a water
leak. The
S�C���Ph�� AC 06
offers an extra mode to help you
locate the pipeline (see section 3.4).
1.4
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Sensitive microphones record the noise from leaks at accessible
fittings and transmit them by
radio to the correlator.
The
S�C���Ph�� AC 06
then calculates the position of the
leak using Fast Fourier Transformation (FFT = mathematical
calculation rule).
Additional functions allow you to, for example, improve the leak display,
enter several sections of pipe or measure the sound velocity.
Radio transmitter
RT 06
can automatically measure the input level
of the microphone and optimally adjust its
amplifier modulation
accordingly. Features such as the microphone used, the battery
condition and the amplifier setting are transmitted to the correlator
by radio data where they are analyzed. This ensures optimal results
in all situations with maximum ease of use (switch on by plugging in
the microphone).
N���:
These operating instructions refer to the
S�C���Ph��
AC 06
. They explain the functions of software
version .X. The manufacturer reserves the right
to make technical changes..
