22 VWR Mega Star 600 / 600R ver b, rel 17.07.2020
Explanation of RCF value
The relative centrifugal force (RCF) is given as a multiple of the force of gravity g. It is a unitless numerical
value which is used to compare the separation or sedimentation capacity of various centrifuges, since it is
independent of the type of device. Only the centrifuging radius and the speed are used for its calculation:
RCF = 11.18 x (
1000
)
2
x r
r = centrifuging radius in cm
n = rotational speed in rpm
The maximum RCF value is related to the maximum radius of the tube opening.
Remember that this value is reduced depending on the tubes and adapters used.
This can be accounted for in the calculation above if required.
Running Time Pre-Selection
1. Press the TIME arrow keys. This allows to change the set time using the arrow keys until the desired
time is displayed. First runtime will change in steps of 10 second. Holding a key pressed will change
the runtime by steps of single minutes, followed by steps of 10 minutes, followed by steps of single
hours and at least by steps of 10 hours. This will continue until the limit of 99 hours and 59 minutes
is reached.
Enter the desired runtime in hh:mm or mm:ss.
2. Press the START key to accept or wait 4 seconds until the centrifuge automatically saves the
chosen values. Moving to setting speed / RCF or temperature also automatically stores the set
value.
Continuous Operation
1. Press either arrow keys until HOLD is displayed.
2. Press the START key to accept or wait 4 seconds until the centrifuge automatically saves the
chosen values. During continuous operation, the centrifuge will continue running until you stop it
manually.
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