[Elecraft] K3 Voltmeter calibration ...

[Robert Nobis]

Joe,

How long is your power cable from the RS-35A to your K3, and what gauge wire is used?  You could easily drop 0.2 volts in the cable depending how long it is and the gauge of the wire.

73,


Bob Nobis - N7RJN
n7rjn at nobis.net


> On Nov 24, 2015, at 08:06, Joe Subich, W4TV <lists at subich.com> wrote:
> 
> 
> OK, I'm sure I am overlooking something simple but I can not find
> (or remember) how to calibrate the voltage display in the K3.
> 
> I had to repair one of my Astron RS-35A power supplies for the first
> time in 30 years (one of the diodes shorted) and when I put it back on
> line I decided to double check the K3 Volts display against the actual
> output of the supply.  The K3 is reading about 0.2V less than the
> supply voltage.
> 
> I've been over both the K3 Owner's Manual and the K3 Assembly
> Instructions but can't find any reference to calibrating the voltage
> display.
> 
> 73,
> 
>   ... Joe, W4TV
> 
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