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Hi-Pot
Tester
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(click the picture to
see a full sized image in another browser window)
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This
is the basic schematic, adapted from others on the web. They are all basically
the same with changes made to utilize the transformer and other components
one has available. No claims for original design here, just adaptation.
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The thickness of an insulator has an effect in determining its breakdown voltage, otherwise known as dielectric strength. Specific dielectric strength is usually listed as the number of volts per mil (1/1000 of an inch), or as the number of kilovolts per inch, but in it has been found that the routine relationship between breakdown voltage and material thickness thickness is not linear. An insulator three times as thick has a dielectric strength slightly less than 3 times as much. For rough calculation, using the volts-per-thickness ratings is acceptable. |
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