Treeman welcome to the forum.

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The Amprobe site (tips) recommends always using a True RMS meter because you never know for sure what you are working on.

That is like asking the American Dairy Council if Milk is good for you. [Linked Image]

Not the most unbiased opinion.

I agree with much of what has been said above.

However, in the course of general electrical troubleshooting I do not feel the accuracy of a true RMS meter is that important.

Yes I own some and will use them for technical work like VFDs, UPS systems or a maybe a transformer.

But when fixing an outlet that is dead it makes little difference. All we need to know is if it is live or dead. I still keep my trusty wiggys / continuity tester with me.

My true RMS DMMs are to prone to reading 'phantom' voltages when used for general troubleshooting

Bob Badger
Construction & Maintenance Electrician
Massachusetts