Olympus 45MG, User Manual

Page: 88 / 246

DMTA-10022-01EN, Rev. C, January 2015
Chapter 6 78
9. Using the arrow keys, edit the thickness value to match the known thickness of
the sample.
10. If the coating thickness-measurement accuracy is important to your application,
perform the following actions (omitting this step does not affect the accuracy of
the metal thickness measurement):
a) Press [CAL VEL] again.
b) Couple the transducer to the coated sample.
c) Once the reading is stable, press [ENTER] .
d) Using the arrow keys, edit the thickness value to match the known coating
thickness of the coated sample.
11. Press [MEAS] to complete the calibration.
Pressing [2nd F] , [CAL VEL] (VEL) opens the VELOCITY screen, in which you can
see and edit the calibrated metal sound velocity. Pressing [2nd F] , [CAL VEL] (VEL)
again opens the VELOCITY screen for the calibrated sound velocity through the
coating.
6.4 Waveform Software Option
The live Waveform option for the 45MG allows the user to view the live ultrasonic
waveform in order to aid alignment of the transducer during difficult applications.
When this option is activated, the user can switch between the standard thickness
display (see Figure 6-7 on page 79) and the optional waveform thickness display (see
Figure 6-8 on page 80).
Other waveform setup features are listed below:
• [GAIN/WAVE ADJ] allows the user to make setup adjustments that are not
available in standard mode.
— With dual element transducers (see “Using Advanced Gaging Features” on
page 149):
•
Manually adjust the GAIN in 1 dB increments.
• Set an extended blank.
• Set an Echo1 blank in Manual Echo-to-Echo mode.
NOTE