[Boatanchors] Sp-600 question

Richard Knoppow 1oldlens1 at ix.netcom.com
Thu Jun 27 15:50:31 EDT 2013


----- Original Message ----- 
From: "rbethman" <rbethman at comcast.net>
To: <boatanchors at mailman.qth.net>
Sent: Thursday, June 27, 2013 12:14 PM
Subject: [Boatanchors] Sp-600 question


> Can anyone tell me what the full scale value of the meter 
> is?
>
> I have a dead one, and would like to replace it with one 
> that may not necessarily be a perfect match, but would 
> serve the function of the original.
>
> The SP-600 that I have is a J-11.  There is NO "X".  This 
> is the Northern Radio variant which was contracted by the 
> Navy in 1951.
>
> Bob - N0DGN

     250 micro-amperes full scale.  A couple of different 
styles were used but I think all are electrically the same. 
The meter has shaped pole pieces.


--
Richard Knoppow
Los Angeles
WB6KBL
dickburk at ix.netcom.com 



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