Homebrew PCBs

I think he was talking about 200 degrees C, or 392 degrees Farenheit.

-Dave

Richard wrote:
> Excellent post Bill....good detailed report.
>
> I'll note only one thing:  you're either not accounting
> for emissivity in your optical temp-measurements; or
> you were measuring a broken household iron.
>
> The temps you reported were at or below the boiling
> point of water.  The bottom surface of the normal 'iron'
> gets far hotter than that.  One doesn't need a thermometer
> for it even...just crank up an iron for a few minutes, then
> turn it over and sprinkle water on it... <g>
>
> When you see the tiny droplets dancing all around like
> that, accompanied by a hissing sound, you know it's
> far hotter than 212F.  Like sprinkling water on top of
> a wood cookstove.
>
> I've never measured an iron; but would guesstimate my
> wife's at around 350F when running wide open.  It gets
> HOT.  It'll easily melt almost any plastic.  But like I said,
> the real clue is the way water 'dances' on the surface.
> Water doesn't do that unless a surface-temp is well over
> 212.
>
> Again, excellent detailed report.  Thanks very much for
> taking the time.
>
> Richard
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-- 

David Frascone

             "Energize!" said Picard and the pink bunny appeared...