Universal R-320 Operations Instructions download pdf (Page 39)

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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

. The LED in the button

START / IMPULS

lights up for as long as the rotor turns. The

time metering begins at 00:00.

• Press the key

OPEN / STOP

in order to stop the centrifugation run. The run-down is effected with the 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.

16.3 Short-term centrifugation

• Hold down the key

START / IMPULS

. The LED in the button

START / IMPULS

lights up for as long as the rotor turns. The

time metering begins at 00:00.

• Let go of the key

START / IMPULS

again in order to stop the centrifugation run. The run-down is effected with the

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

twice.

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

for 8 seconds.

After 8 seconds, SOUND / BELL appears in the display.

• Set using the knob OFF or ON.

• Press the key

START / IMPULS

in order to store the setting.

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

for 8 seconds.

After 8 seconds, SOUND / BELL appears in the display.

• Press the key

SELECT

once again.

The centrifuge’s hours of operation (CONTROL: ) are displayed.

• Press the key

OPEN / STOP

to exit the hours of operation recall.

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Universal R-320 Operations Instructions Page 39

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