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10
Setting the brake step
•
Switch off the mains switch.
•
Keep the key beneath the speed indicator and the key
pressed simultaneously.
•
Switch on the mains switch and release the keys again.
The speed indicator shows the machine version and the time indicator shows the set brake step: e.g.:
RPM x 100
t
START
STOP
RPM x 100
t
START
STOP
If the machine version and brake step are not displayed, press the key under the speed indicator until they are
displayed.
The machine version is set by the manufacturer and cannot be changed.
•
Set the desired brake step with the keys beneath the time indicator.
Step 1 = short run-down time, Step 0 = long run-down time.
For run-down times, see chapter "Anhang/Appendix, Rotor und Zubehör/Rotor and accessories".
•
Press the key
STOP
to save the setting.
11 Centrifugation
When the centrifuge is running, according to IEC 61010-2-020, no persons, dangerous substances or objects
may be within the safety margin of 300 mm around the centrifuge.
If the permissible weight difference is exceeded within the rotor loading, the drive switches off during the run-
up time, and error
-3-
is displayed (see chapter "Faults").
The centrifugation run can be interrupted at any time by pressing the key
STOP
.
The time and speed can be changed during the centrifugation run, with the keys .
If the key or is kept pressed, the value changes with increasing speed.
After a centrifugation run, the display flashes until the cover is opened or a key is pressed.
If the symbol " " (lid closed) and " " (lid open) flashes alternately in the rotation indicator
, operation of the
centrifuge can only be continued after opening the lid.
•
Switch on the mains switch (switch position "
Ι
").
•
Load the rotor and close the centrifuge cover.
11.1 Centrifugation
with preselected time
•
Set the desired speed with the keys beneath the speed indicator.
•
Set the desired time with the keys beneath the time indicator.
•
Press the key
START
. The rotation indicator
appears while the rotor is turning.
The time is displayed in minutes. The last minute is counted down in seconds.
When the time is displayed in minutes, a point flashes next to the number.
•
After expiry of the time or if the centrifugation run is interrupted by pressing the key
STOP
, the rotor runs down
with the set brake step.
During the centrifugation run the rotor speed and the remaining time are displayed.
11.2 Continuous
operation
•
Set the desired speed with the keys beneath the speed indicator.
•
Set the time to zero with the key beneath the time indicator. "
--
" is displayed.
•
Press the key
START
. The rotation indicator
appears while the rotor is turning. The time count starts from 0.
The first minute is counted up in seconds, and then the time is displayed in minutes.
When the time is displayed in minutes, a point flashes next to the number.
•
Press the key
STOP
to end the centrifugation run. The rotor runs down with the set brake step.
During the centrifugation run the rotor speed and the expired time are displayed.
Содержание HAEMATOKRIT 210
Страница 2: ...2 55 Fig 1 RPM x 100 t START STOP Fig 2...
