[Boatanchors] general OT question on panel meters

J. Forster jfor at quikus.com
Tue Jul 9 18:17:37 EDT 2013


If you do try this, narrow the width not the thickness, and preferably
uniformly along the full length, of the metal ribbon.

-John

===============



> LOTS of shunts available on the e-place right now,  50A/50mv units
> particularly plentiful.  One can skin one of these down a bit with a
> Dremel tool to make it a 30A shunt.
>
> Dennis D.  W7QHO
> Glendale, CA
>
> ***********
> On Jul 9, 2013, at 8:58 AM, W2HX wrote:
>
>> Hello all,
>>
>> I purchased a round, analog panel meter 0-30 ADC for a project.
>> Printed on the face of the meter says "FS=50MVDC" which I take to
>> mean full scale deflection will occur at 50 mV DC.  Question is, can
>> I get any 50mV shunt (minimum 30A, of course) and will it work? Or
>> does the shunt need to somehow be 30A = 50mVDC? If I got a 100A
>> 50mVDC shunt, will this indicate incorrectly on the meter?
>>
>> Thanks in advance for the OT question
>>
>>
>> 73 Eugene W2HX
>>
>>
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