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Re: [Amps] What's wrong here- dropping resistor for DC meter?

To: "Dr. David Kirkby" <david.kirkby@onetel.net>, <amps@contesting.com>
Subject: Re: [Amps] What's wrong here- dropping resistor for DC meter?
From: "Jim Tonne" <Tonne@Comcast.Net>
Date: Sat, 9 Jul 2011 17:36:08 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>
How about putting the "suspect" meter movement in
series with another movement of the same current
sensitivity and seeing if they track when the applied
voltage (current) is adjusted ?

- Jim W4ENE


> I suspect the movement is faulty, or a diode or other 
> non-linear device  is fitted in there to protect meter 
> in some way.


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