Laboratory Centrifuge Sigma 3-16L
Laboratory Centrifuge Sigma 3-16L IVD
Version 03/2014, Rev. 2.22 of 24/10/2023 • sb
Original operating manual, part no. 0700902
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3.6.7 Safety of rotors and accessories
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3.6.7.1 Marking of rotors and accessories
Marking of the service life of rotors and accessories
see chapter 3.6.7.2 - "Service life (for centrifuges according to Machinery
Directive)" and chapter 3.6.7.3 - "Service life (for centrifuges according to
the IVD regulation)"
Marking of rotors with Sigma "Comfort" rotor coating
see chapter 3.6.7.4 - "Service life of the Sigma "Comfort" rotor coating"
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3.6.7.2 Service life (for centrifuges according to Machinery Directive)
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The rotors and accessories have a limited service life.
• Perform regular checks (at least once per month) for safety reasons!
• Pay special attention to changes, such as corrosion, cracks, material
abrasion, etc.
• After 10 years, they must be inspected by the manufacturer.
• After 50,000 cycles, the rotor must be scrapped for reasons of safety.
• If other data concerning the service life are engraved on the rotor or
bucket, these data shall apply accordingly. For example, a bucket with
the engraving "max. cycles = 10,000" has a service life of 10,000
cycles, and a rotor with the engraving "Exp. date 01/27" must be
scrapped in January 2027 at the latest (see figure).
• If a specification concerning the maximum number of cycles and a
specification concerning the service life (i.e. a date) are provided, the
specification that occurs first shall apply.
Fig. 4: Different service life – engraving on the bucket/rotor
• Refer to the table of the service life of rotors and accessories (see
chapter 11.4 - " Table of the service life of rotors and accessories ")!
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