1 Introduction Important information on wall thickness measurement
1-4 Edition 4 (05/2014) DMS Go+
1.2 Important information on wall
thickness measurement
Please read the following information before
using your thickness gauge. It is very import
-
ant that you understand and observe this in-
formation to avoid any errors when using the
instrument that might lead to false measure
-
ment results. Decisions made on the basis of
false measurement results may lead to prop
-
erty damages and personal injuries.
Prerequisites for the use of ultrasonic
thickness gauges
This operating manual contains essential information on
how to operate your thickness gauge. In addition, there
are a number of factors that affect the measurement re
-
sults. A description of all these factors would go beyond
the scope of an operating manual. Therefore, only the
most important prerequisites for a safe and reliable ul
-
trasonic thickness measurement are mentioned here:
● Training of the instrument operator (operator)
● Knowledge of special technical measurement re-
quirements and limits
● Choice of the appropriate measuring device
The operation of an ultrasonic measuring device re-
quires proper training in ultrasonic thickness measure-
ment. Proper training comprises for example adequate
knowledge of the following:
● Theory of the propagation of sound waves in materi-
als
● Effects of the sound velocity of test material
● Behavior of sound waves at interfaces between dif-
ferent materials
● Propagation of the sound beam within the material
● Effect of the surface quality of test material.
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