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Re: [Amps] How do you measure HV with reasonable accuracy?

To: audioguy@charter.net
Subject: Re: [Amps] How do you measure HV with reasonable accuracy?
From: "Mike McCarthy, W1NR" <lists@w1nr.net>
Date: Fri, 07 Aug 2009 07:26:58 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>
On the e-place there is a company that has a quantity of Fluke 27/FM
multimeters w/ 80K6 HV probes for $65. I bought one some time ago and am
very pleased with it. They are ex military, comes with carry case and
the one I got hardly looks like it was used.

Mike, W1NR


Jim Barber wrote:
> I need a HV probe with reasonable accuracy for working on this growing 
> stack of hamplifiers. I have a Simpson 260 and know some of those 
> pitfalls, and a 40KV CRT chicken stick that's probably +,- 20% on a good 
> day.
>
> How about:
> (1) Five hand-selected 1M, 2-watt in series on a PCB or perfboard
>
> (2) Bring out two HV connectors from the "bottom-most" resistor in the 
> chain and then use a precision 1KV FET meter or VTVM, reading it as "x5" 
> (I already have the meters)
>
> Any better ideas? It probably won't see much over 4KV.
>
> Thanks,
> Jim, N7CXI
>
>
>   

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