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The Sorvall RC-3B is an improved version of the venerable RC-3. A
balanced motor ensures quiet running operation with a full speed range,
and promotes long life for brushes and bearings. The gyro-action drive
so popular in the RC-3 was improved by adding a square spindle drive
shaft which locks the rotor in place and allows the rotor lid to be
easily removed.
The RC-3B utilizes the following safety features;"automatic shut-off of the centrifuge motor for "over-speed"
protection and for the refrigeration motor to prevent damage from
overheating;"electrical circuit breaker on the main power and control panel
circuit; operating controls which may be changed, intentionally or
accidentally, without causing harm to the centrifuge;
"a door interlock which prevents opening the chamber door while
the rotor is in motion and/or starting the rotor drive while the door
is open.
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