Speed, Rpm; Integral Rcf - Hettich Rotina 420 R Mode D'emploi

Software operation
7.1.3

Speed, RPM

7.1.4

Integral RCF

Querying integral RCF
Enabling or disabling integral
RCF
36 / 64
[Rotary knob] to select the desired setting.
2. Use the
■
'Timing begins at Start' = Runtime counting begins after the start
of the centrifugation run.
■
'Timing begins at Speed' = Timing of the runtime starts after the
set speed is reached.
This is indicated by the
time.
3. Press the [TIME] button.
or
[START] button.
Press the
�� Settings are shown in the indicator.
[RPM] button.
1. Press the
'RPM' parameter is displayed.
�� The
[Rotary knob] to set the desired value.
2. Use the
3. Press the [RPM] button or the [START] button.
�� The setting is transferred to the indicator.
Integral RCF is a measure of the sedimentation effect (∫ n2 dt). The value is
used to compare centrifugation runs.
The integral RCF is not saved. The integral RCF is deleted
after starting the next centrifugation run or switching off the
device.
If the 'Timing begins at Speed' function is selected, calcula-
tion of the integral RCF only starts after the set speed has
been reached.
■
Integral RCF is enabled.
[RCF] button repeatedly until the integral RCF is displayed.
1. Press the
[RCF] button.
2. Press the
�� The centrifugation data is displayed.
3. If necessary, press the
�� The RPM is displayed.
1. Press and hold the
'***Machine Menu***' is displayed after 8 seconds.
��
[PROG] button repeatedly until '-> Settings' is displayed.
2. Press the
[START] button.
3. Press the
'SOUND / BELL = on' or 'SOUND / BELL = off' is displayed.
��
[PROG] button repeatedly until 'RCF Integral = on' or 'RCF
4. Press the
Integral = off' is displayed.
[Rotary knob] to set 'off' or 'on' .
5. Use
off = integral RCF disabled
on = integral RCF enabled.
Rev.: 19 / 02.2025
'é' symbol in the indicator to the left of the
[RPM] button.
[PROG] button.
AB4701en