Just a thought.  Has anyone tried correlating flux ionic readings with
activity levels?

It would be interesting to use flux until it almost stops soldering
while continuously monitoring ionic readings of a fixed volume of the
flux.  Maybe some accept/reject indicator could be obtained.

Jim Kittel
>-----Original Message-----
>From:  [log in to unmask] [SMTP:[log in to unmask]]
>Sent:  Tuesday, December 01, 1998 7:30 AM
>To:    [log in to unmask]
>Subject:       [TN] Flux activity monitoring system
>
>I'm sure you know this, but checking flux specific gravity (in accordance
>with supplier requirements
>at a specified temperature) with a calibrated hygrometer is best. Worst, is
>using so called
>automatic systems that are part of some wave solder machines. Also, don't
>keep replenishing or
>"thinning" flux. It's cheap, compared to defective solder joints, so dump and
>replace regularly
>(when sg starts falling off say at the end of a shift or production run).
>Hope I didn't over-
>simplify, but it's all I know.
>
>Earl Moon
>
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