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Important Notice
The following information must be read and understood by any user of a GE Inspection Technologies ultrasonic
thickness gauge.
Failure to follow these instructions can lead to errors in thickness measurements or other test results. Decisions
based on erroneous results can, in turn, lead to property damage, personal injury or death.
General Warnings
Proper use of ultrasonic test equipment requires three essential elements:
· Selection of the correct test equipment
· Knowledge of the specific “test application requirements”
· Training on the part of the instrument operator
This operating manual provides instruction in the basic set-up and operation of the GE Inspection Technologies thickness
gauge. There are, however, additional factors which affect the use of the ultrasonic test equipment. Specific information
regarding these additional factors is beyond the scope of this manual. The operator should refer to text books on the
subject of ultrasonic testing for more detailed information.
Operator Training
Operators must receive adequate training before using ultrasonic test equipment. Operators must be trained in general
ultrasonic testing procedures and in the set-up and performance required by a particular test. Operators must understand:
Soundwave propagation theory
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