Introduction & Description
SORVALL
®
Centrifuges
1-4
NOTE Selecting BRAKE OFF will affect SLOW STOP.
• BRAKE OFF deactivates normal braking for a coasting stop
from a user-specified transition speed.
• Automatic sample temperature calculation considers the run
speed, run time, set temperature and measured chamber tempera-
ture to estimate and maintain sample temperature.
• Automatic self-test performed by the microcomputer each time
the centrifuge power is turned on, to ensure proper performance.
• Automatic diagnostics, so that if a system malfunction occurs, a
message appears in the SET display to alert you of the condition.
Centrifuge Specifications
Speed
Maximum Selectable Speed 4700 rpm
Maximum Relative Centrifugal Force 7333 g
Speed Control Accuracy ±1% or 20 rpm,
whichever is greater
Time
Maximum Selectable Time 99 minutes, 99 seconds
(or HOLD for indefinite
length of time, timed up
to 300:00)
Maximum Selectable ACE
(Accumulated Centrifugal Effect™) 9.99 x 10
30
(∫ω
2
dt, input
as 9.99e30)
Temperature
Temperature Selection Range –10°C to 40°C
Temperature Control Accuracy sample temperature
controlled within 2°C
of set temperature
*
Overtemperature Alert Maximum allowable
temperature settable to
within 2°C of set temp
Maximum Noise Level < 65 dB
**
Maximum Average Heat Output 5.3 kW
* With sample, rotor, and chamber temperatures equal to SET temperature at the start of the run, or, during a run, after those components reach
equilibrium. Control range is reduced if run speed/ run time/set temperature/ambient temperature variables combine to create an extreme condition
beyond the temperature control system capacity.
** Measured 3 feet from the front panel at a height of four feet using an H-12000 rotor at its top speed of 4700 rpm.
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