Setting The Brake Step; Centrifugation - Hettich EBA 270 Operating Instructions Manual

EN
 End centrifugation run.
STOP
The rotor runs down with the preselected brake step.
 Save the brake step.
 Short-time centrifugation.
PULSE
The centrifugation run occurs while the key
 Display the brake step.
 Unlock the lid.
OPEN
12

Setting the brake step


Switch off the mains switch.

Keep the key beneath the speed indicator and the key

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
If the machine version and brake step are not displayed, press the
displayed.
The machine version is set by the manufacturer and cannot be changed.

Set the desired brake step with the keys
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 to save the setting.
STOP
13

Centrifugation

When the centrifuge is running, according to EN / IEC 61010-2-020, no persons, dangerous substances or
objects may be within the safety margin of 300 mm around the centrifuge.
The centrifugation run can be interrupted at any time by pressing the key
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
centrifuge can only be continued after opening the lid.

Switch on the mains switch (switch position "").

Load the rotor and close the centrifuge cover.
30/66
PULSE START
RPM x 100
OPEN STOP
beneath the time indicator.
Rev. 07
is kept pressed.
PULSE
pressed simultaneously.
PULSE
PULSE START
t
OPEN STOP
key under the speed indicator until they are
.
STOP
.
, operation of the
AB2300DEENFRIT