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volt/amp meter ?

MIKE WISKEY
anybody know anything about these, I picked up 4 in an auction nib. worth anything??

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Comments

8 comments

Date Votes
  • Don McManus

    Probably worth something, but I have no idea what would have a green zone of .7 Volts at 2 amps.

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  • redneckandy

    Probably worth something, but I have no idea what would have a green zone of .7 Volts at 2 amps.


    Clearly something that need to run 1.4 watts.
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  • dcon12
    How much did you pay? Don
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  • montanajoe
    • Community moderator
    Look specific purpose verses generic.  To someone needing them for their purpose they are probably worth a few bucks.  What that purpose/application is, I don't know.
    Right now they are only worth something to the guy that sold them to you at the auction.  Sorry. 
    Hope someone comes along that knows their application. 
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  • MIKE WISKEY
    "How much did you pay? Don" they came with some parts I did want. a grand total of $17.50
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  • Tcatt
    DC Shunt Meter used to measure DC current.  Dial is set up for a specific application.
    Fresh out of school, I worked for a company that had a full NIST instrumentation lab, we could set these up and print the dials for any application.
    I still see them in old power houses
    I would think that the value is more nostalgia
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  • jimdeere

    I learned about d'arsenval meter movement in community college. Unfortunately that was 45 years ago and I have forgotten.

    https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.engineersedge.com/instrumentation/electrical_meters_measurement/darsonval_movement.htm&ved=2ahUKEwjoveqWn47qAhUEmHIEHfl8C_IQFjAAegQICBAB&usg=AOvVaw3VcdcqJQS42NM8fDpWc1qz

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  • chiefr
    Analogue amp meter from a test station or piece of test/monitoring equipment from days long gone. 
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