DMTA-10040-01EN, Rev. E, February 2018
Using the Instrument
269
2.
Place the probe in a defect-free area near the thru-wall flaw, and then press the
NULL foot switch.
3.
Scan the tube for defects (see Figure 5-206 on page 269).
When lowering the
LO PASS
filter, you must also lower the scan rate by the same
amount as applied to the filter.
Figure 5
‑
206 A scan with 10 Hz LO PASS filter (
left
); with scan rate too fast (
right
)
5.4.3.3
Using the ALL-IN-1 Display
This section shows you how to use
ALL
‑
IN
‑
1
to display the small cluster of four
corrosion pits under the support ring and the corrosion pit near (but not underneath)
the support ring.
To use the ALL-IN-1 display
1.
Press the DISP menu key (
), followed by
DSP MODE
(display mode, A key),
and then rotate the knob until
ALL
‑
IN
‑
1
is displayed.
2.
Press the DISP menu key (
) twice, followed by
FRQ2 DSP
(frequency 2
display, A key), and then rotate the knob until
AUTO Y
is displayed.
IMPORTANT
Содержание nortec 600
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