[Boatanchors] Meter window care

[Greg Mijal]

Interesting write up.
Thanks

For what it's worth soapy water is pretty good static dissipator.
When I worked for Motorola the assembly girls used to de-static their
work stations with it.
Want to check it out without blowing up your hi dollar semiconductor stash?
Find a door and a rug and do the rub with your feet. Touch the doorknob and kablooy!
Treat the rug with the soapy water solution and do it again.
The static is gone.
Neat huh?
73's
Greg
WA7LYO
in sunny feenix

-----Original Message-----
>From: telegrapher at att.net
>Sent: May 13, 2006 9:37 AM
>To: boatanchors at mailman.qth.net
>Subject: [Boatanchors] Meter window care
>
>I found this text in a manual and thought it might be of assistance to 
>some members of the community.
>
>
>Meter Window Care
>
>A clear acrylic meter window can become susceptible to 
>electrostatic-charge buildup and can be scratched, if improperly cleaned.
>
>It is treated inside and out in manufacturing with a
>special non-abrasive anti-static solution. Statnul or any
>other antistatic application, which normally should preclude
>any interference in meter operation caused by
>electrostatic effects. The problem is evidenced by the
>inability of the meter movement to return promptly to
>a zero reading, once it is deenergized. As supplied the meter
>should return to zero reading within 30 seconds, immediately following 
>the placement of a static charge, as by rubbing the outside
>surface. This meets the requirements of ANSI standard C39.1-1972.
>
>If static-charge problems occur, possibly as the result
>of frequent cleaning, the window should be carefully
>polished with a soft dry cloth, such as cheesecloth or
>nylon chiffon.  Then, a coating of Statnul should be applied with the
>polishing cloth.
>
>CAUTION
>
>Do not use any kind of solvent. Kleenex or paper
>towels can scratch the window surface.
>If it should be necessary to place limit marks on the
>meter window, paper-based masking tape is recommended,
>rather than any kind of marking pen, which
>could be abrasive or react chemically with the acrylic.
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