[Milsurplus] Manual or schematic needed...

Thu, 5 Dec 2002 18:06:04 -0800 (PST)

You're lucky!

That is a bridge, kind of like a Wheatstone, used for
testing capacitors for value and breakdown voltage, it
also tests the value of inductors and resistors.  It
will also check the value of tuned circuits.  It will
also test very low resistances, like motor or
transformer windings.  If I'm not mistaken it will
tell you how many windings are on the item inquestion.
 It will also measure the "Q" of a circuit.

Are you suitable impressed yet?

Very handy and worth hunting for documentation to
learn to use it properly.

How much do you want for it?

I just bought a ZM-11.

Joe  KG2CI

--- "Kenneth G. Gordon" <[email protected]> wrote:
> I just got what appears to be a new test set
> AN/URM-90 containing 
> an RCL bridge ZM-30/U. The instrument looks a lot
> like a GR-650, 
> but is made by International Instruments.
> 
> It has a 12AX7, a 12AT7, a 6U5, and what looks like
> a full-wave 
> selenium bridge-rectifier.
> 
> The tag on the outside says it doesn't work.
> 
> Anyone know anything about this instrument?
> 
> Ken Gordon W7EKB
> 
> _______________________________________________
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> [email protected]
> http://mailman.qth.net/mailman/listinfo/milsurplus

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