Transformer polarity test / how to find it / and how to test a transformer with DMM & oscilloscope
10:39
Identifying transformer windings and voltages
10:24
Transformers Testing Made EASY with This One Simple Trick!
9:49
How to test a transformer with digital multimeter and oscilloscope.
5:18
Transformer Polarity
31:07
How to use a Digital Oscilloscope...to test your tube amp! AT THE BENCH!
6:26
Three Simple Ways to Find the Primary and Secondary of a Transformer
11:53
Testing Unknown Transformers with Function Generator
6:01