Entering Centrifugation Parameter; Programming; Programme Input/Alteration; Programme Recall - Hettich MIKRO 220 Bedienungsanleitung

14

Entering centrifugation parameter

If no key is pressed for 8 seconds long after the selection or during the input of parameters, the previous
values will be shown in the display. The input of parameter then has to be executed again.
•
Select the RPM or RCF display with the key
•
Select the desired parameters using the button
In order to set continuous operation, the parameters t/min and t/sec must be set to zero with the
Continual running is represented in the display by the following symbol, "∞".
•
After input of all parameters, press the key
position #. As confirmation, ∗∗∗ ok ∗∗∗ will be displayed for a short period.
The data on the programme position # will be overwritten with every input of parameters and pressing of the
key .
START / IMPULS
15

Programming

15.1

Programme input/alteration

If no key is pressed for 8 seconds long after the selection or during the input of parameters, the previous
values will be shown in the display. The input of parameter then has to be executed again.
•
Select the RPM or RCF display with the key
•
Select the desired parameters using the button
In order to set continuous operation, the parameters t/min and t/sec must be set to zero with the
Continual running is represented in the display by the following symbol, "∞".
•
The parameter PROG STO can be selected using the button
the knob .
•
Press the button
START / IMPULS
displayed briefly as confirmation.
If the key
START / IMPULS
stored in the program place #.
The previous data in the program position is overwritten during saving.
15.2

Programme recall

•
Select the parameter PROG RCL using the button
.
•
Press the button
START / IMPULS
•
The parameters can be checked by pressing the button
To leave the parameter display press the button
16

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 within the rotor loading has been exceeded, the drive shuts down during
the start-up, the unbalance display lights up, and IMBALANCE is displayed.
A centrifugation run can be stopped at any time by pushing the key
All parameters can be selected and altered during the centrifugation run (see Chapter "Entering centrifugation
parameter").
You can switch-over at any time between the RPM and RCF display with the key
centrifugation radius is necessary if you are working with the RCF display.
If OPEN OEFFNEN is displayed, a further operation of the centrifuge is only possible after opening the lid
once.
If R xx n-max xxxxx is displayed, then no centrifugation run has taken place as the rotor was changed
beforehand, refer to Chapter " Rotor Identification ".
• Turn on the mains switch. Switch position Ι.
•
Load the rotor and close the centrifuge lid.
. RCF values are displayed in > <.
RCF
SELECT
START / IMPULS
. RCF values are displayed in > <.
RCF
SELECT
in order to store the setting on the desired program position. ∗∗∗ ok ∗∗∗ is
is pressed without the parameter PROG STO being activated, the settings are always
SELECT
. The centrifugation data of the selected program position is displayed.
STOP / OPEN
and set using the knob .
in order to store the adjustments on the programme
and set using the knob .
and the desired program position set using
SELECT
and set the desired program position using the knob
.
SELECT
or press no button for a period of 8 seconds.
STOP / OPEN
EN
knob.
knob.
.
. The input of the
RCF
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