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What's the difference between a Fluke 87III, 87IV and 87V? Answered

The series designations are confusing me. A couple of the sites I've visited have mentioned the series V can withstand 8000V switching transients. But then, you never know when something is just marketing hype and all of the series can withstand 8000V switching transients.

I ask because I'm currently studying transient phenomena (LV), and will be working my way up to HV in the future.

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seandogue (author)2011-05-20

If you're studying transient phenomena, you might want to consider an oscilloscope instead of a DMM, since DMMs have pretty rotten transient response... If you need to augment it with HV capability, purchase an HV probe.

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Vorenus (author)seandogue2011-05-21

I'm also looking for a HV probe for the oscilloscope I've been using. Do you have any recommendations?

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seandogue (author)Vorenus2011-05-22

I'm afraid not. The last one I spec'd out was about a ten years ago.

I *think Fluke used to have a couple of models, but like I said, it's been quite a while since I paid any attention.

good luck.

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steveastrouk (author)2011-05-19

There are differences in display size, data logging capability and sampling resolution - I can't remember the details now, one set has a 20,000 count sample, the other 50,000.

Steve

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