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4
Rotor Loading
Cycle Counter
Actual Load (g/bucket)
n adm
=
n
adm
n
max
Cycle Counter
The lifetime of rotors and buckets is dependent on the amount of mechanical load. Do not exceed
the number of cycles recommended for rotors and buckets.
The maximum number of cycles is given in the rotor table in the rotor specification section.
The maximum number of cycles for buckets is marked on the buckets themselves.
Service life examples
Usage profile
frequent use
20 runs / day
220 days / year
TM
4-4
75003621 BIOShield
RPM
750
770
n max Maximum permissible load
--------------------------------------------------------------------- -
Effective load
= admissible speed
= maximum speed
WARNING Replace the rotor when the specified number of cycles is reached. Due to the
mechanical load, a rotor can break and thus damage the centrifuge.
Maximum service life at 30,000 cycles
7 years
720
max
4987
4922
Thermo Scientific
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