Re: Analog meters & static charge

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Yurtle Turtle" <yurtle_t-at-yahoo-dot-com> 

This may be a long shot, but maybe you could use one
of those anti-static fabric (clothes dryer) strips on
the back of the meter.

Adam

--- Tesla list <tesla-at-pupman-dot-com> wrote:

 > Original poster: "S&JY" <youngsters-at-konnections-dot-net>
 >
 >
 > Folks, I need some advice.  I have 4 large analog
 > meters of good quality
 > (e.g. Simpson) to measure AC and DC volts and amps
 > in my power controller.
 > When I run my coil then shut it off, I notice some
 > of the meter needles do
 > not return to zero.  What happens is that the meter
 > face accumulates a
 > static electric charge, and that attracts and
 > deflects the meter needles.
 > Obviously, this destroys the accuracy of my meter
 > readings.
 >
 > My temporary cure was to stretch some of the silvery
 > conductive plastic
 > (e.g. from bags used to ship PC boards) across the
 > meter faces to prevent
 > static charge accumulation.  But that makes the
 > meters hard to read.
 >
 > Does anyone have some ideas on materials I can use
 > that are both conductive
 > and transparent?  Or some other technique to
 > eliminate meter face static
 > charge buildup from all the streamers flying around
 > nearby?
 >
 > Thanks,
 > --Steve Y.
 >
 >
 >