AT-1 Heathkit

[Garey Barrell]

Steve -

I seem to recall somewhere way back there that the "U-shaped" retainer
was used by a meter company called EMICO.  They were no better (or
worse) than the Shurite meters!

FWIW...

73, Garey - K4OAH
Atlanta

----- Original Message -----
From: "Steve Smith" <sigcom at JUNO.COM>
To: <HEATH at LISTSERV.TEMPE.GOV>
Sent: Saturday, May 25, 2002 10:22 PM
Subject: Re: AT-1 Heathkit


> I'm fairly certain that both the AT-1 and DX-20/35 meters were built
for
> Heath by Shurite.  Unfortunately they do not share the same scales
nor
> basic meter movement.  Also the DX and AT meters are physically
> different.  The DX meters are larger in diameter and mount  to the
front
> panel with machine screws on each side of the meter's face.  The AT
meter
> mounts with a "U" shaped piece of metal which is attached to the
meter's
> terminals and wedges it against the front panel.  Both the DX and AT
> meters measure the grid current directly and use a shunt for the
plate
> current measurement.  Sadly, onne of the first things to "go" on an
AT-1
> is the meter.  They -are- still out there but fairly rare.  I have
more
> AT-1s than I have meters for them, sigh.  Occasionally a Shurite
meter
> will surface that has the proper dimensions for the AT-1 and can be
> "re-scaled" (thank goodness for computer graphics software and
optical
> scanners, HA!)  Good luck in your quest.
>
> 73.......Steve Smith, WB6TNL
> Oxnard, CA  USA
> "Snort Rosin"
>

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