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[Amps] Hipot questions

To: <amps@contesting.com>
Subject: [Amps] Hipot questions
From: "Barrie Smith" <barrie@centric.net>
Date: Fri, 19 Aug 2005 20:42:24 -0600
List-post: <mailto:amps@contesting.com>
I've just aquired a 15 KV, commercial hipot tester.  I've tested a few vacuum 
caps, with varying (I think) results.

There doesn't seem to be a list of acceptable values, as far as leakage current 
is concerned, easily found.

Several fixed-value vacuum caps tested at their rated voltage with less than 
1/10 microamp leakage.  A variable cap, rated at 10 KV, shows 2 microamps at 
3.5 KV, and that number was fluctulating.

I stopped at that point because I don't know if that figure is high or low.

The unit tests at 0 to 15KV at 2, 20, 200 and 2000 microamps, and has been 
recently calibrated.

Is there a commonly-available list of acceptable leakage numbers?

TIA,

Barrie, W7ALW
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