Freeze-dryer Beta 1-8 LSCbasic
Freeze-dryer Beta 2-8 LSCbasic
8 Maintenance and service
Version 03/2018, Rev. 1.5 of 09/03/2020 • sb-dc
Translation of the original operating manual
Capacitive vacuum sensors
Measurement drift due to long-term use, soiling or sudden aeration may
occur.
• Capacitive vacuum sensors must be adjusted at least once per year.
Depending on the actual conditions of use, shorter adjustment intervals
may be necessary.
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8.1.10 Accessories
For the care of the accessories, special safety measures must be
considered as these are measures that will ensure operational safety at
the same time.
Chemical reactions as well as stress-corrosion (combination of oscillating
pressure and chemical reaction) can affect or destroy the metal and plastic
parts. Barely detectable cracks on the surface can expand and weaken the
material without any visible signs.
• Check the material regularly (at least once a month) for
– cracks
– visible damage of the surface
– pressure marks
– signs of corrosion
– other changes.
• Replace any damaged components immediately for your own safety.
• Immediately rinse off the accessories if any liquids that may cause
corrosion come into contact with them.
• Clean the accessories outside the freeze-dryer once a week or
preferably after each use.
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8.2 Disinfection of the drying chamber and accessories
If dangerous materials (e.g. infectious and pathogenic substances) are
used, the freeze-dryer and accessories must be disinfected.
• Use commercially-available disinfectants such as, for example, Incidur
,
Meliseptol
, Sagrotan
, Buraton
, or Terralin
(available at specialised
trade).
• The freeze-dryers and the accessories consist of various materials. A
possible incompatibility must be considered.
• Before using cleaning or decontamination agents that were not
recommended by us, contact the manufacturer to ensure that such a
procedure will not damage the freeze-dryer.
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