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Westinghouse PY-5 Wattmeter Instructions

If anyone out there is still trying to use one of these Watt / Volt Meters:

Very Old Westinghouse Wattmeter

Very Old Westinghouse Wattmeter

You might want the instructions.  I’ve scanned and uploaded them here, if you want a print size scanned copy e-mail me and I’d be happy to mail it to you.  Then go buy yourself a clamp on multimeter unless you’re using this in a black and white movie :-)

Westinghouse PY-5 Portable Single Phase Wattmeter Instructions / Parts List

Westinghouse PY-5 Portable Single Phase Wattmeter Instructions / Parts List

This entry was posted on Monday, June 29th, 2009 at 12:53 am and is filed under Uncategorized. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

2 Responses to “Westinghouse PY-5 Wattmeter Instructions”

  1. steve hobensack Says:
    June 27th, 2010 at 8:27 pm

    I have one of these that I got a a ham radio fleamarket (hamfest). I am confused as to how to apply the potential. I dont know if 100vac is applied using a variac, or is the 120v mains voltage applied direct? I assume that the 100v terminal would require one to read the 5 kw scale as apposed to the 25 kw scale. Instructions would be nice.

    Regards

  2. Waterppk Says:
    June 28th, 2010 at 9:32 am

    The instructions I posted in that picture are all I have, I haven’t tried hooking this one up but I had hooked up a different meter with 100V terminals to 120V previously and it was fine, YMMV :-)

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