ACS A1214 Expert, Руководство по эксплуатации, Страница: 32 / 64

Ultrasonic flaw detector А1214 EXPERT
Operation Manual
32
ACOUSTIC
CONTROL
SYSTEMS
2
Correction by standard
(sensitivity standard), dB
from – 40 to +40
Difference between acceptance and
reference levels (specified in the
documentation).
It shows how much less/more shall the
acceptance level be shifted relative to
the reference level
Correction for roughness, dB from 0 to + 12
Correction for sensitivity level, consid-
ering the difference between roughness
and undulation of the surface
Reference, dB from – 12 to 0
Setting the reporting sensitivity level
relative to the acceptance level
Search AFAS, dB from – 12 to 0
Setting the search sensitivity level
relative to the acceptance level
▼
Table 13
Adjustment of DAC
DAC adjustment procedure:
- select the line with required type of the DAC amplitude correction and press
. A DAC
configuration window will be opened.
- find the maximum signal from the first reference reflector and adjust the position of the
strobe consequently, so that to make the signal to cross the strobe and the cursor to make the
cursor to measure this signal.
- press the key, at that the first anchor point will appear on the peak value of the
signal (Figure 26);
Figure 26
Parameter name Value Description