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Re: Cheap high voltage

On Thu, 25 May 2000, Barlow Newbolt wrote:

If you put one at every station you'll need to be sure that the current
they can supply is VERY low or they are well screened. Remember the
fingers that may get poked into the supply. It would be a shame to stop
somebody's heart. WBN


I've ordered a couple of these. In the meantime, if somebody already has
one of them, could you measure the short-circuit current? The HV could
damage a digital voltmeter if sparks occur, so better to connect it across
the power supply before applying the 120V. Also, I wonder if there is a
diode hidden in the HV wire or in the little needle assembly? If they
were depending upon the needles to behave as a gas rectifier tube, then it
couldn't have worked well as an ion generator. Heh. Maybe they were
dumped into surplus because the manufacturer forgot to include the HV
diode...


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