Windows; Removing And Cleaning The Windows - PerkinElmer AVIO 200 Hardware Manual

Spectrometer
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Windows

Removing and Cleaning the Windows

If the plasma has been on, the torch will be very hot and can cause
!
serious burns. Wait five minutes after turning off the plasma before you
begin these maintenance procedures.
Warning
Avertissement: Si le plasma a été mis sur, la torche sera très chaude
et peut causer des brûlures graves. Attendez cinq minutes après avoir
éteint le plasma avant de commencer ces procédures d'entretien.
Gradually, deposits may accumulate on the windows, for example, metallic oxides,
and the windows may become etched. You must remove the windows to clean or
replace them.
If you notice a drop in UV performance, the purge windows may needed to be
cleaned or replaced even if the windows still look clear. Clean the windows first; if
the UV performance does not improve replace the windows.
The axial window mount is also the purge outlet for the spectrometer. The radial
window is a cylinder with one closed end; this end being the actual window.
Maintenance
199

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