Argus 165, Manual

Page: 278 / 363

Measuring range (4):
23 Copper tests
278
ARGUS 165
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When the TDR function starts, it is in the
measuring range in the status display. You
can set the range (x) and the gain (y) in
the measuring range. If you have hidden
the measuring range in order to work with
the cursor or zoom, you can restore it:
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<Menu>
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or
Pulse width/height (5):
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You can configure the width and height of
the pulse that ARGUS outputs to the line.
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Height:
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The pulse height sets the level of the pulse ARGUS outputs to the line in volts. The default
value is
5 V , but can be increased to 20 V. In principle, it is recommended that you increase
the pulse height as the distance increases.
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On short, very noisy lines as well, increasing the pulse can make the reflection stand out
better against the noise, for a more reliable interpretation.
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Width:
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The pulse width sets the duration of the pulse ARGUS outputs to the line in nanoseconds
(ns). The default value is
500 ns , but you can increase this up to 2000 ns (2 µs) depending
on the measuring range. Just like a more powerful pulse, a longer pulse contains more
energy, and thus is generally more suitable for use on longer lines. However, a longer pulse
can also conceal important reflections, which can then no longer be correctly interpreted.
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Restores the measuring range
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Configuring the pulse