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2
PROGRAM
Programs, stores, and recalls run conditions. This feature also
button:
offers a step-mode operation: a continuous run of multiple run
conditions.
This feature is used to cause the system to automatically
SPEED/RCF
calculate and display an RCF value. It also sets an RCF value
button:
and calculates the speed. RCF
centrifugal force for the maximum radius R
which is used. RCF
the average radius
RTC button:
Sets a start time or a finish time and runs the micro-ultracentrifuge
at a desired date and time.
The above features can be used in combination.
Note
set the RTC.
Once RTC is activated, you cannot change the run time. You therefore cannot activate
PROGRAM.
Programmed operation
When a centrifugal condition is to be used frequently, entering the same condition every time you want
to perform centrifugation is inconvenient.
This micro-ultracentrifuge has a programmed operation feature that stores run conditions. Storing run
conditions which you often use allows you to call those conditions however often you may wish, thus
saving time in setting. (Even while the POWER switch is OFF, this micro-ultracentrifuge retains the
conditions entered.)
This micro-ultracentrifuge incorporates the program areas indicated below. It has twenty memory areas
and nine steps in each memory unit.
Running this machine with each memory unit retaining multiple steps will allow you to change the
speed, run time, temperature, and others while in operation.
2-16
Sorvall MTX 150
indicates the maximum
max
indicates the average centrifugal force for
avg
R
of the rotor which is used.
avg
To perform a combination of PROGRAM and RTC, first set PROGRAM and then
of the rotor
max
Figure 2-7. Rotor radius
Ravg
x
Rma
Fig. 2-3-2 Rotor radius
Thermo Scientific
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