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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: "David C. Hallam" <dhallam@rapidsys.com>
Reply-to: dhallam@rapidsys.com
Date: Fri, 07 Aug 2009 07:38:22 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>
I don't know what you are trying to do and how much accuracy you want, 
but I picked up an old RCA VTVM with a HV probe for less than $20. 
Without out going out to the shop to look at it, I think it measures up 
to 15KV in several ranges.

David
KC2JD/4

Jim Barber wrote:
> Good point. The 80K-6 is designed to work with a 10M input impedance.
> 
> I have two meters that should qualify, but if not I may be able to sneak 
> up on a 77-4 if I do it ... quietly ... without Her (or is it "She") 
> hearing...
> 
> Thanks,
> Jim Barber, N7CXI
> 
> Bill, W6WRT wrote:
>> ORIGINAL MESSAGE:
>>
>> On Fri, 07 Aug 2009 00:05:35 -0700, Jim Barber <audioguy@charter.net> wrote:
>>
>>> Looks like I can get the Fluke 80K-6 probe for less than $100 new, so 
>>> it's hardly worth messing about with resistors, boxes, etc.
>> REPLY:
>>
>> Not wanting to state the obvious, but just in case.......
>>
>> Any HV probe, including the Fluke, is designed to work with a meter having a
>> specific input resistance. Be sure it matches your meter or accuracy will be
>> off.
>>
>> 73, Bill W6WRT
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> 
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