Re: HV curve tracer project - need info on vacuum tube X-ray shielding


During hi-pot testing of vacuum capacitors employed in Voice of America transmitters, x-ray emission levels exceeding the permissible limit were sometimes encountered. Thus enclosures of lead-containing plastic were employed to enclose capacitors being tested.  This is the transparent plastic material with the yellow cast, sometimes seen around medical x-ray facilities.
Bruce, KG6OJI

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