Fw: Re: [TCA] HV meter

[Scott Johnson]

It is a P-6510 and the liquid inside is flourinert, which can be replaced
with silicone oil with some derating. The current P-6510's have silicone
oil, and are sealed (much less troublesome).
Scott
----- Original Message -----
From: "JOHN M IVERSON" <jackiv at JUNO.COM>
To: <BOATANCHORS at LISTSERV.TEMPE.GOV>
Sent: Monday, January 05, 2004 7:09 PM
Subject: Fw: Re: [TCA] HV meter


> --------- Forwarded message ----------
> From: JOHN M IVERSON <jackiv at juno.com>
> To: tubecollectorsassociation at yahoogroups.com
> Date: Sun, 4 Jan 2004 11:01:31 -0600
> Subject: Re: [TCA] HV meter
>
> Another reply to the problem of measuring high ac voltage without the
> venerable Sensitive Reaearch ESH style meter is to use the Tektronix Very
> high voltage probe with an
>   H-P 410 series ac meter.
> The probe output must be shunted with a resistor comparable to the input
> resistance of the
> 'scope which is normally used. A 60 hz compensation may have to be added
> to the reading
> for accuracy. I believe that this is indicated in the probe data sheet.
> Don't even look for the price of the probe now as it is over a grand!
> I picked up mine at a hamfest for 20 bucks. These probes use a
> flourocarbon  -R-11- I think as a dielectric. if a drop is still visible
> at the probe tip it is enough, the gas is the dielectric.
> On the probe it states:  (model) P-6015, 3uuf-100 meg dc, 20 kv max dc
> cont, 40 kv peak pulse,
> above 100 kc see derating chart.
> I cannot find my Tek catalogue-darn.
> I have used this o measure the loaded/unloaded voltage on neon tx, quite
> a difference.
> like it says-have fun..
> jack      jackiv at juno.com
>
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