[GreenKeys] Meter shunting...

[WA5CAB at cs.com]

It sounds to me like a PO removed the original internal shunt, possibly to 
use the movement in another application.

In a message dated 05/07/2017 13:32:08 PM Central Daylight Time, 
wa2hwj at att.net writes: 
> While many meters would require external shunts, it’s odd that the
> meter is labeled 0-100 ma. and would need a shunt. Maybe you need to be 
> sure
> the metering point you’re looking at has the series resistor for
> the loop current adjustment.   Do you have any means to independently
> test confirm loop current?
> 
> Jack K2TTY
> 
> From: GreenKeys [mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of 
> Kenneth Gartland
> Sent: Sunday, May 7, 2017 2:00 PM
> To: greenkeys <GreenKeys at mailman.qth.net>
> Subject: [GreenKeys] Meter shunting...
> 
> Hi all!
> 
> My express thanks for all the replies on the meter shunting
> issue...
> 
> It never ceases to amaze me of the resources available
> 
> 
> on Greenkeys to help others...
> 
> I did dis-assemble the meter in question, a Simpson
> 
> 
> Model 127, 0-100ma...
> 
> There doesn't. appear to be any internal shunting...
> 
> They were originally used in rackmount panels to 
> adjust individual loop circuits...
> 
> Thanks again to all who helped/responded...
> 
> Cheers!
> 
> Ken
> 

Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480
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