Elcometer CG100ABDL Operating Instructions Manual page 12

Corrosion gauge
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If an auto identified transducer is fitted to the gauge the appropriate mode will be automatically set.
To select measurement mode manually, press MULTI MODE and then select the mode you want
to use from the list displayed.
Note: The availability of the modes depends upon the type of transducer fitted to the gauge.
6.1 PULSE-ECHO MODE (P-E),COATING OFF
The standard measurement mode providing maximum sensitivity. This general purpose mode
should be used for corrosion and flaw inspections and will measure the total thickness of a material.
6.2 PULSE-ECHO COATING MODE (PECT), COATING ON
Special mode that allows measurement of coating thickness and material thickness at the same
time while retaining the capability to detect flaws.
6.3 PULSE-ECHO TEMPERATURE COMPENSATED MODE (PETP), TEMP COMP
This is a custom mode that combines pulse-echo and electronic zero techniques to automatically
adjust for temperature changes in the transducer as a result of an increasing/decreasing
temperature gradient in the test material.
Note: Rough surface conditions can have an effect on the overall accuracy in this mode. If the
surface condition is in question, the pulse-echo mode should be used in conjunction with performing
an off block automatic zero as the temperature gradient changes.
6.4 ECHO-ECHO MODE (E-E), THRUPAINT™
This special mode allows the user to measure the material thickness of a substrate underneath a
coating while ignoring the coating thickness by using two echoes from the material back wall. This
mode is useful when the coating thickness makes up a sizeable proportion of a material, but has
the impact of reducing sensitivity so should not be used in pit and flaw inspections.
6.5 ECHO-ECHO VERIFY MODE (E-EV), THRU VERIFY
This mode uses a third echo to double check the measurement, increasing the reliability of a
measurement even further from the E-E mode.
6.6 COATING ONLY MODE (CT), COATING ONLY
Note: Similar to the PECT mode but reports the coating thickness only.
6.7 FLAW MODE
Your gauge includes a Flaw Mode.
For instructions see "Flaw Mode (CG100ABDL gauges only)" on page 21.
CT
CT
PECT
EEV
EE
PE
PE
IE
EE
EEV
PECT
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