DFX-7
Ultrasonic Flaw Detector
85
Z-Cross
Flank
Peak
Refer to the diagrams above. The current polarity is positive, as shown by the
position of the gate above the baseline:
Z-Cross:
The detection occurs as the first positive half cycle crosses the baseline
and goes negative.
Flank:
The detection occurs as the first half cycle left edge rises and breaks the
threshold.
Peak:
The detection occurs at the highest peak in the gate.
The procedure to select the
DETECT MODE
is outlined below:
Selecting the Detect
5) Press the
MENU
key once to activate the menu items tab. Press the
MENU
key multiple times to tab right and the
ESC
key multiple times to tab left until
the
TUNE
menu is highlighted and displaying the submenu items.
6) Use the
UP
and
DOWN
arrow keys to scroll through the sub menu items
until
DETECT MODE
is highlighted.
Содержание DFX-7
Страница 35: ...Dakota Ultrasonics 34 Note Sets where the detection will occur on the negative or positive going echoes...
Страница 219: ...Dakota Ultrasonics 82 10 Finally press the MEAS key to return to the measurement screen and begin taking readings...
Страница 308: ...171 APPENDIX B SETUP LIBRARY Num Name Comment 1 Gn AGC Velocity 1 Enter Custom Name 2 3 4 5 6...
