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RC-5C PLUS
C A U T I O N
!
To reduce the possibility of
samples freezing, remove the rotor
from the centrifuge chamber as soon
as possible after it stops spinning.
C A U T I O N
!
Failure to load and install
the rotor in accordance with the rotor
instruction manual could damage the
centrifuge. The rotor cover must be
on and locked in place and the rotor
must be locked to the drive spindle.
2. Set the OFF/ ∫ω
dt switch to ∫ω
2
3. Set the TIMED/HOLD switch to TIMED, then set the COEF and
EXP switches for the desired integral value (for example, 15 20
means 1.5 x 10
20
).
NOTE
The TIMED/HOLD switch should never be set at HOLD
during an ∫ω
2
accumulated run time, and the run will not end until you
press the STOP switch.
4. Press the START switch. The ∫ω
control panel will light. (The ROTOR CODE advisory message
will blink for a few seconds as a reminder to set the proper
ROTOR CODE number.)
The setting of the OFF/ ∫ω
NOTE
OFF any time during a run to have the display (TIME)
show the length of time that has elapsed since the run
was started (the numbers in the display will change to
represent hours and minutes instead of the integral
value). The run will still terminate when the preselected
integral value has accumulated.
To end a run before the selected integral value has
accumulated, press the STOP switch.
Integral Recall
At the end of any TIMED run (normal or zonal mode) you can recall
the integral value ( ∫ω
integrator ( ∫ω
2
dt) mode to duplicate the run. When the rotor has
stopped, change the setting of the OFF/ ∫ω
value at timeout will appear in the TIME display. The value must be
recalled before another run is started or before the main power is set
OFF.
Rotor Precool
If you plan to run a temperature-sensitive sample in the RC-5C PLUS
centrifuge, we recommend that you precool the rotor and the
centrifuge before loading the sample. This will ensure that the rotor
and chamber temperatures are at equilibrium at the start of the run.
1. Set the centrifuge power ON and open the chamber door.
2. Install the empty rotor (with cover installed, if applicable). Lock
it to the drive spindle by turning the rotor locking screw
counterclockwise. Close the chamber door.
2
dt.
dt run; if it is, the display will show
2
dt advisory message on the
2
dt switch can be changed to
2
dt) at timeout and use this value in the
dt to ∫ω
2
Operation
2
dt; the integral
4-7
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