Lou,

I would ask your coat supplier for the specifics of your
measurements.  They should know and provide
any explanation you need, including if it is an unacceptable range.

DT




At 12:22 PM 5/5/00 -0400, you wrote:
>Technetters, got a question about resistance (or surface resistivity) of
>static dissipative lab coats.
>
>I've been pushing for people to keep their coats closed here, as suggested
>by several technetters a few weeks back.
>
>Now one of the operators tells me, Those lab coats don't work, I tried to
>measure the resistance and they are no good.
>
>
>So I went to our wrist and heel strap checker and found I could not get my
>cuff to cuff resistance to pass either wrist or heel check.  It failed
>high.  When I checked the resistance between snaps on one cuff, using a
>multimeter, I found 10-20 megohms.  My coat is white with grey threads
>through it, the conductive nylon filaments, I guess.  It's made from 4 or
>5 or more pieces of material, like a lot of coats.  There is a metal rivet
>in each sholder where 3 pieces of fabric come together, that looks like
>it's supposed to connect the nylon from the various pieces.
>
>Can anyone comment on my experience?
>
>Lou Hart
>
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