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Figure 8
а) surface image of the test-object No1
b) magneto-optical visualization of magnetogram of the test-object No1
Function control of the device
with the use of Al-scanner
1.6
Marking
The device marking is executed in the form of a label on the back
side of the device controller and provides information as follows:
manufacturer’s name or trade mark;
symbolic notation of the device;
manufacturer’s serial number of the device;
date of manufacturing (year and month);
rated voltage, V;
rated current, A;
TC marking;
national mark of conformity (certification);
Device sealing is made with the help of destructive labels applied
on the device controller body. Sealing violation deprives the User
of warranty maintenance.
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