Ultrasonic flaw detector А1212 MASTER
Operation Manual
56
ACOUSTIC
CONTROL
SYSTEMS
2.3.3.5 Deleting the voice comment for the snapshot being saved
Upon pressing the F6 key the recorded voice comment for the snapshot being saved will be deleted.
ATTENTION: SOFTWARE WILL NOT ASK FOR CONFIRMATION TO DELETE THE VOICE COMMENT!
2.4 SURFACE PREPARATION FOR MEASUREMENTS
Low density and exfoliating scale, corrosion, flash spatter or dirty surface of the tested object influence the penetration of
the ultrasonic sound into the material. Hence, prior to measurements, clean such surfaces and remove the foreign matter, wipe
the surfaces and remove abrasive particles, apply some coupling fluid onto the surface.
Cleaning rough corrosive surfaces provides service life extension of the ultrasonic transducers and the improvement of the
measurement accuracy. It is particularly significant for the double-crystal transducers.
The requirements for permissible roughness and surface preparation are specified in the technical rules and regulations
on testing of certain types of objects.
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