Re: Scope grounding and generators


Robert: Most generators have a distorted sine output, depends on rating, and design.
Some have quite high THD. Other have terrible transients and EMI. Normally the mfg will have complete specs.

Rule of thumb: Larger size and high cost - (10..50 kVA) are closer to sinewave, low THD and transients
Cheaper consumer generators eg from Costco, under a few KVA, worse in every respect!

What is your intended use, and what power levels, make and model of generator?

I have used battery operated portables like TEK 212, rather than line powered scopes like 465M.

But you can float the 465 with an isolation trsf.

Good luck,


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