Operation
Centrifuge 5424/5424 R
English (EN)
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• The centrifugation time will be shown in a blinking display during the braking process.
• A signal tone sounds when the rotor is at a standstill.
• Only 5424: The centrifuge lid opens automatically. The display shows the symbol .
• Only 5424 R: The centrifuge lid remains closed to maintain the sample temperature. You can open it
by pressing the open key.
6. Remove the material for centrifuging.
5.6.3 Short-spin centrifugation
You can carry out a short run with the currently set or with the maximum g-force (rcf) or speed (rpm) of the
rotor used. This is set in the device menu (see Device menu on p. 25) before executing the following steps in
the sequence specified:
5.6.3.1 Performing short spin centrifugation
1. A short run at current speed/g-force (rcf) or speed (rpm) can be set directly using the speed arrow keys.
2. Only 5424 R: Use the temp arrow keys to adjust the temperature.
3. Start short run: Hold down the short key.
• In the display flashes while the rotor is running.
• The time is counted upwards in seconds.
• During short run centrifuging all other keys are blocked.
4. End short run: Release the short key.
• The centrifugation time will be shown in a blinking display during the braking process.
• Only 5424: The centrifuge lid opens automatically. The display shows the symbol .
• Only 5424 R: The centrifuge lid remains closed to maintain the sample temperature. You can open it
by pressing the open key.
5. Remove the material for centrifuging.
5.6.4 Removing the rotor
1. Turn the rotor nut counterclockwise using the supplied rotor key.
2. Remove the rotor vertically in an upward motion.
3. Only 5424 R: Switch off the centrifuge after use and empty the condensation water tray (remove it from
the left side of the device). Leave the centrifuge lid fully open and secure it against closing.
During the braking process, you can restart the centrifugation up to two times by pressing the
short key again.
The soft ramp does not work during short-spin centrifugation.
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