Re: Meter repair shop?

On Apr 10, 12:43 am, frumpm...@xxxxxxxxx wrote:
<snip>

anyway if it is dead you have nothing to lose, take it apart!!. It
has to be done, be careful, use an eyeglass and I am sure you will
find the problem.
Matt.

I knew I recently bought those jeweler's loupes at the thrift store
for *some* reason.
Thanks for the encouragement. I'll post back with a hoo-rah if it
works out.
Ethan

PS- this meter isn't from a VOM as some in this thread seem to assume.
It's from a MkIII valve characteristic meter, thus my seemingly deep
emotionally investment in getting it to work. Thanks for all the
advice.

The movement may be the same as in the venerable AVO multimeter,
which means a swapout is one feasible method of repair. AVO
multimeters, the Brit equivalent of the Simpson 260 are readily
available on ebay.uk. A good meter shop or a watchmaker could easily
swap out the scales.

DID you contact AVO first?

Next, DID you call the local _avionics shops_ or the local _power
company metrology department_, as I swore I suggested? They both use a
lot of analog meter movements which can not be readily changed to
electronic displays, for different reasons, and they use specialized
repair facilities that can repair the most intricate such assemblies,
such as are found in VOR, NAV and DME indicators, flight directors,
horizontal situation indcators, electronic variometers (for helo
external load operators) and most all the main instruments in any
transport category aircraft which do not run oil or pitotstatic
instruments (except the emergency backups) on the flight deck.
Utilities have electromechanical meter movements for everything such
as true and reactive power, power factor, etc all over the place and
very often have ro maintain 35-90 year old bits here and there. If
they have nuclear power plants the issue is greatly magnified since
like aircraft everything is certificated and any modernizing is a
major engineering event. Spending $5000 to fix a 1967 panel recorder
replaced everywhere else by electronics is de rigeur.
.

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