GE MFE DMS 2

4. Measuring Thickness
DMS 2 Operating Manual Page 127
Turning on the B-scan Feature and Storing the Results
(B-SCAN)
Use the following procedure to switch to B-scan Mode. Re-
member, B-scan only functions in the SIP, DUAL, T-COAT, and
AUTO-V measurement modes. (Refer to Section 3.3.1 to
change modes.)
Step 1: If necessary, activate the TG Primary Menu (TG
mode):
Step 2: Activate the B-SCAN Submenu by selecting it with
or so that it’s highlighted. Five selections will appear
across the bottom of the display screen.
Step 3: Once it’s turned on, the display screen will change to
look like the one shown in Figure 4-16.
Step 4: As soon as the probe is coupled, the B-scan mode will
begin. Thickness measurements will continue to be collected
and displayed until the B-scan duration (see below) runs out or
until the probe is uncoupled. The existing B-scan will continue
to be displayed until CLEAR is selected as explained below.
Step 5: When the B-scan is complete, it may be cleared (as
described later in this section) or stored in the Active data file
position. To store the B-scan, press
.
Setting the Duration of the B-scan (B-SCAN–TIME)
The B-scan mode will allow you to map the thickness profile of
the material being tested over a period of time. This time
period may be set at 3.5, 7, 14 or 21 seconds. At the end of
the B-scan time period, the displayed B-scan will remain
displayed until CLEAR is selected as explained below.
Step 1: If necessary, activate the TG Primary Menu (TG
mode) by pressing
.
Step 2: Activate the B-SCAN Submenu by selecting it with
or so that it’s highlighted. Five selections will appear
across the bottom of the display screen.
Step 3: Press below the selection titled TIME. This allows
the B-scan time period to be set between 3.5 and 21 seconds.