Fluke - Five Things to Consider When Buying a Clamp

Reprinted courtesy of Fluke Corp.

1. Choose a clamp that gives accurate and repeatable results

Does your clamp report the true-rms reading?
Is the problem with your motor or your clamp?

Make sure your clamp meter is working for you rather than against you.

Imagine that you have spent the whole day troubleshooting a problem with a motor only to discover that the problem wasn't really the motor but the clamp you were using to measure it. You stake your reputation on your ability to get the job done, be sure your clamp meter is working for you not against you.

First, make sure your clamp meter reports the true-rms reading. Otherwise noise from everything from a variable frequency drive to compact fluorescent bulbs can result in a less accurate reading...

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