Learn how to test a transformer: insulation resistance, TTR, winding resistance, polarity, continuity, and dielectric checks.

When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.

While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

Transmitters of the EE36 Series from E+E Elektronik allow most accurate online-monitoring of moisture content in oil. That is very important to ensure the safe operation of machines and transformers ...