> --- In sct-user@yahoogroup
>> I'm not overly interested in rehashing the Windex thread. It's all
> there in the archives. Suffice to say I've never had a problem with
> Windex streaking--quite the OPPOSITE, as a matter of fact.
>> ;-)
>
> I just put the whole tube in the dishwasher. Cascade leaves it
> spotless. %^)
>
> Jack
The 'strange' thing is that this may not be as silly as it sounds!...
We used to do this with oscilloscopes!
this time, we had an industrial dishwasher, fed with clean water (from a
de-ioniser). Oscilloscopes were serviced every few months, and the first
operation, was to put them through a wash cycle in this, then put them
on special racks, into a drying room for 24 hours. Then they were run
through service and calibration. It was basically 'pointless' to try to
calibrate the kit, till it was thoroughly clean, and the 'wash and dry',
had proved to be the best solution...
If you had similar drying facilities, doing this to a scope, would
probably be quite a 'sound' solution. :-)
The problem with all comments about various cleaning solutions, is
'variability'
based contaminants, but different sources have different contaminants in
that last decimal place, and it is these that can leave the marks.
As an example of how purity affects things, I use water that is
99.99999999% pure (yes, eight decimals), but put this into a glass
bottle for just a couple of minutes, and it'll have lost an entire
decimal place, as it attacks the glass!. If you used this on mirrors or
lenses, it'd actually attack them quite quickly, yet 'normal' pure
water, is a great (and safe) cleaning fluid.
Best Wishes
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