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5.2 ECHO-ECHO MODE (E-E)
This mode measures between two reflections. This technique is commonly used to eliminate errors from
surface coatings and also to make measurements in multiple layered materials. The disadvantage is that
two echoes are needed which requires a much stronger echo (reflection).
Note: Echo-echo mode cannot be used for flaw or pit detection. Therefore, inspectors may need to use this
mode in conjunction with the standard coating off (pulse-echo) flaw detection mode for some applications.
Chassis tubing inspectors and sanctioning bodies will typically use the echo-echo mode for tubing with
powder coatings, and pulse-echo mode for tubing without coating. This combination of using both modes is
ideal for very detailed inspections.
To select measurement mode:
Selection of measurement mode is now complete.
1. Press ON/OFF key to switch on the gauge.
2. Press DUAL/MULTI key to toggle between the
measurement modes. The gauge will display
P-E or E-E, depending on which mode the
gauge is in.
3. Repeat step 2 until correct mode is displayed.
1. Press ON/OFF key to switch on the gauge.
2. Press MODE key to activate features and
settings. The gauge will display GAtE P-E or
GAtE E-E, depending on which mode the
gauge is in.
3. Press SEND key to toggle between the
measurement modes.
4. Press MODE key when correct mode is
displayed.
Model CG60 Model CG60DL
CG60_CG60DL_TMA_0498_00_01_23225_A6L.fm Page 14 Tuesday, November 22, 2011 12:19 PM
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