Preface
viii DM5E Operating Manual
Operator Training
Operators must receive adequate training before using ultrasonic test equipment. Operators must be trained in general ultrasonic testing
procedures and in the setup and performance required by a particular test. Operators must understand:
• Sound wave propagation theory
• Effects of the velocity of sound of the test material
• Behavior of the sound wave where two different materials are in contact
• Areas covered by the sound beam
More specific information about operator training, qualification, certification, and test specifications is available from various technical
societies, industry groups, and government agencies.
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