Extech Instruments
74 TKG250- EN V2.4 11/13
9 Software Options
Echo-to-Echo
The Echo-to-Echo feature should and can be used within the thickness range of the chart
listed below. It is best to use the transducers designated with a –EE part number such as
DK 537EE and DK 718EE. These transducers have greater damping allowing more
stable readings in Echo-to-Echo mode. To calibrate in Echo-to-Echo, first press MENU
OK, scroll to set up, press MENU OK and find where E to E is displayed. Either use the
right arrow to turn on or press MENU OK and scroll to on. You will see a symbol in the
top right looking like Echo-to-Echo. Next, press MENU OK, turn on calibration and
perform CAL VEL on the thick part with the coating and CAL ZERO on the think part
with coating, then MENU OK.
B-Scan
The B-Scan represents a cross sectional view on the test piece. The simplest example is to
show a 5 step test block. To turn on the option B-Scan, press MENU/OK, go to
Measurement
, find B-scan and press MENU/OK. First enter the maximum thickness
you expect to scan using the up, down, left and right keys, then turn on the B-Scan
scrolling down and right arrow (left arrow for off). Press F3 in lefty or F1 in Righty mode
when
done
. The bottom of the display will read SAVE, START or STOP and CLEAR.
To Start a B-Scan, couple to the test block and press F2 [START]. If you uncouple the
transducer, B-Scan will stop due to LOS. If you press F2 [STOP] the minimum thickness
will be displayed in the center of the screen while a vertical cursor allows you to review
readings. During review the thickness value is updated in the top right of the display. To
save all the readings, press F1 [SAVE]. The amount of saved
Содержание TKG250
Страница 1: ...USER GUIDE Model TKG250 Ultrasonic Thickness Gauge ...
Страница 41: ...TKG250 Ultrasonic Thickness Gauge 41 ...
Страница 71: ...TKG250 Ultrasonic Thickness Gauge 71 F1 F3 ...