Olympus 45MG, User Manual

Page: 152 / 246

DMTA-10022-01EN, Rev. C, January 2015
Chapter 8 142
Figure 8-1 The MEAS screen
2. In the MEAS screen for single element transducers, in the MEAS MODE text box,
select the instrument measures and displays from the following options:
•
THICKNESS : The thickness of the inspected part.
• VELOCIMETER: The sound velocity in the material of the inspected part.
• TIME OF FLIGHT : The round trip time of flight (TOF) of the sound in the
inspected part
OR
In the
MEAS screen for dual element transducers, in the MEAS OPTION text
box, select the measurement method to be used by the instrument from the
following options:
•
STANDARD : Measure to the first back-wall echo.
• AUTO ECHO-TO-ECHO (optional): Measure between the successive back-
wall echoes.
• MANUAL ECHO-TO-ECHO (optional with the Waveform): Measure
between the multiple back-wall echoes with the manual control.
3. In the UNIT TYPE text box, select between the INCH (English) or MILLIMETER
(metric) units.
Time-of-flight measurements are always expressed in microseconds.
4. In the RESOLUTION text box, select between STANDARD , LOW , or HIGH (see
“Changing the Thickness Resolution” on page 50 for details).
5. In the MIN/MAX text box, select either MIN (minimum), MAX (maximum), or
BOTH to activate a mode (see “Using the Minimum, Maximum, or Min/Max
For a dual element transducer For a single element transducer