[Boatanchors] Milliammeter shunt resistance wire sources?

manualman at juno.com manualman at juno.com
Fri May 28 17:35:05 EDT 2010


I always use "regular" insulated copper wire for meter shunts. Easy to
work with and solders well. Having a bridge or an accurate VOM/VTVM helps
to get you pretty close to target resistance needed.
Wind it on a form or bunch it into a blob works fine. Been doing this
since the "good old days".

Pete, wa2cwa

On Fri, 28 May 2010 15:50:35 -0400 Al Klase <al at ar88.net> writes:
> Greg,
> 
> Brice is talking about normal copper wire.  This is a good solution 
> for 
> low-power shunts.  It's easy to solder.
> The table you need is right here:  
> http://www.thelearningpit.com/elec/tools/tables/Wire_table.htm
> 
> Al
> 
> On 5/28/2010 12:29 PM, Price Smith wrote:
> >
> >    
> >> Hi:
> >>
> >> Is an electric toaster a good source of shunt wire for a meter 
> scale
> >> changing project?  Is the wire solderable?
> >> I'm going from 0 - 1 ma to 0 - 1 A in scale.
> >> Tnx
> >> Greg
> >> WA7LYO
> >> Kinston NC
> >>      
> >
> > I have use #26 or so wire, wound on a 2 watt resistor. If you 
> calcuate the
> > resistance needed, it is easy to calculate the
> > length needed. The table is in any ARRL Handbook.
> > 73
> > Price  WØRI


More information about the Boatanchors mailing list