Continuous Run; Short-Term Centrifugation; Emergency Stop; Acoustic Signal - Hettich UNIVERSAL 320 Mode D'emploi

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16.2

Continuous run

Adjusting the symbol ∞ or recall a continuous run programme (see Chapter "Programming").
Press the key
START / IMPULS
time metering begins at 00:00.
Press the key
OPEN / STOP
brake step. The brake step is displayed.
During the centrifugation run the rotational speed of the rotor or the subsequently resulting RCF value, the sample
temperature (only in centrifuges with cooling) and the expired time will be displayed.
16.3

Short-term centrifugation

Hold down the key
START / IMPULS
time metering begins at 00:00.
Let go of the key
START / IMPULS
selected brake step. The brake step is displayed.
During the centrifugation run the rotational speed of the rotor or the subsequently resulting RCF value, the sample
temperature (only in centrifuges with cooling) and the expired time will be displayed.
17

Emergency Stop

Press the key
OPEN / STOP
With Emergency Stop the run-down is effected with brake step 9 (shortest run-down time). Brake step 9 is displayed.
If brake step 0 was pre-selected, the run-down time is technically longer than with brake step 9.
18

Acoustic Signal

The acoustic signal sounds:
Upon the appearance of a disturbance in 2 second intervals.
After completion of a centrifugation run and rotor standstill in 30 second intervals.
The acoustic signal is stopped by opening the lid or pressing any key.
The signal after completion of the centrifugation run can be activated or deactivated in the following manner, if the
rotor is at standstill:
Hold down the key
SELECT
After 8 seconds, SOUND / BELL appears in the display.
Set using the knob
OFF or ON.
Press the key
START / IMPULS
As confirmation, ∗∗∗ ok ∗∗∗ will be displayed for a short period.
19

Recall hours of operation

Recall hours of operation is only possible during rotor standstill.
Hold down the key
SELECT
After 8 seconds, SOUND / BELL appears in the display.
Press the key
once again.
SELECT
The centrifuge's hours of operation (CONTROL: ) are displayed.
Press the key
OPEN / STOP
. The LED in the button
START / IMPULS
in order to stop the centrifugation run. The run-down is effected with the selected
. The LED in the button
again in order to stop the centrifugation run. The run-down is effected with the
twice.
for 8 seconds.
in order to store the setting.
for 8 seconds.
to exit the hours of operation recall.
lights up for as long as the rotor turns. The
lights up for as long as the rotor turns. The
START / IMPULS
EN
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