The Epstein tester with the epstein bridge.
The Power analyzer (B/H curve analyzer)
The transformer core tester
General testing methods applied on the products:

1) Magnetisation B-H Curve: By plotting values of flux density, ( B ) against the field strength,
( H ) we can produce a set of curves called Magnetisation Curves, Magnetic Hysteresis Curves
or more commonly B-H Curves for each type of core material used (according IEC 60404-3
and IEC 60402-2)

2) Epstein Frame Testing (according IEC 60404-2)

3) Digital Iron Loss Testing: This method will be done with one friability drum and one abrasion
drum for making comparisons between the two parameters under identical test conditions.
The iron loss tester
Serial testing & labeling
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