Four kinds of insulation resistance tests are particularly useful. Two of these tests include: Time resistance. This method consists of trending a series of readings taken at fixed intervals. If you ...

To meet the requirements of your electrical safety testing applications, you can choose from a variety of instruments and systems that perform hipot, insulation-resistance (IR), ground-resistance, and ...

The types of insulation used in rotating machines have continued to evolve and precipitate changes to insulation resistance testing since 1974 when IEEE Std. 43, Recommended Practice for Testing ...

This article describes the testing results following routine performance assessment of an electrical motor both in its original state and after rebuilding it using products made by Zeus, such as the ...

Manufacturers of medical electrical equipment are required to test to the international electrical safety standard IEC 60601 Medical Electrical Equipment, General Requirements for Safety, to ensure ...

In the second part of this series on the highs and lows of resistance measurements, I illustrated the differences between two-wire and four-wire resistance measurements on an actual low ohmic sample ...