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4
Operation
Normal Operation
3. Confirm your entry by pressing ENTER.
Your entry will also be automatically confirmed if you do not press any key for 5 seconds.
Note The equivelant value will be calculated and displayed. If an extremely low RCF value has
been selected, it will be corrected automatically if the resulting speed is less than 300 rpm. This is
because 300 rpm is the lowest selectable speed.
The relative centrifugal force 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 devices, since it
is independent of the type of device. Only the centrifuging radius and the speed come into play in
it:
RCF
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.
Preselecting Run time
1. Press the TIME key in order to open the runtime selection menu.
2. Enter the desired runtime using the numeric pad.
The maximum selectable run time is 99:59.
The digits show in sequential order.
3. Confirm your entry by pressing ENTER.
Your entry will be automatically confirmed if you do not press any key for 5 seconds.
ACE
1. Press the ACE key in order to open the ACE selection menu.
2. Enter the desired runtime using the numeric pad.
The maximum selectable ACE is 9.99 x 10
The digits show in sequential order.
3. Confirm your entry by pressing ENTER.
Your entry will be automatically confirmed if you do not press any key for 5 seconds.
HOLD
Press the HOLD key in order to select the HOLD run. During HOLD, the centrifuge will continue
running until you stop it manually with the STOP key.
4-4
RC 12BP+
2
n
〈
〉
×
------------ -
11 18
,
=
1000
Explanation of RCF Value
×
r
30
(read 9.99e30 in SET DISPLAY)
Thermo Scientific
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