– After 50 analyses or at least 2 times a day
• Clean furnace and electrodes. Further information can be found in Section „Furnace
cleaning“.
– After 500 analyses
• Replace all chemicals (except copper oxide). Further information can be found in Section
„Removing and installing of reagent tubes“ and „Filling of reagent tubes“.
– After 1000 analyses or by request
• Replacing the crucible base made of graphite after 1000 analyses, or if the contact
surface between the crucible and the crucible base has significantly reduced due to
wear.„Replacing of electrodes“.
– After 2000 analyses
• Replace the copper oxide in the catalyst furnace.„Replacing the copper oxide in the
catalyst furnace“.
• Take the electrodes out of the furnace and clean them with a brush. Further information
can be found in Section „Replacing the electrodes“.
NOTICE
The aforementioned maintenance recommendations are based on steel analysis and 99.995%
pure helium.
Depending on the application, these can differ significantly from the above recommendations.
For example, cleaning the furnace when analysing refractory metals (titanium) is recommended
after a maximum of 10 analyses. The service life of the copper oxide is also reduced the higher
the certain oxygen concentrations are (e.g. oxides, slags).
NOTICE
Set up a “counter” in the software. Please read the Section “Analyser Status” in the software
manual.
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