4-4
LCD Control Panel
Deceleration Profiles
The centrifuge offers a total of 10 deceleration or braking curves (numbered 0 through 9). A deceleration curve
gradually reduces the speed of the centrifuge towards the end of the centrifugation run.
NOTICE
After the centrifuge is turned on, the last running profile selected is shown.
Proceed as follows to select a braking curve:
1. Press the
+
or
-
key below the
Deceleration
field of the LCD display window to cycle through the selection
of available deceleration profiles.
Curve number 0 disables active deceleration altogether. Curve number 1 provides the slowest active and
curve number 9 the fastest active deceleration rate.
Figure 4–5:
9
9
Setting the Deceleration Profile
2. Release the
+
or
-
key when the number of the desired deceleration profile appears in the display window.
Doing so selects the deceleration profile for future centrifugation runs (until the next time you choose to
change this setting).
4. 2. 4. Pre-Temper the Centrifugation Chamber
Refrigerated centrifuges allow for pre-tempering, that is pre-warming or pre-cooling, the centrifugation chamber
and the empty rotor before the centrifugation run starts. If necessary pre-temper your samples using proper
equipment. The centrifuge is not intended to be used to pre-temper your samples.
NOTICE
This feature is not available on ventilated models.
To set the pre-tempering temperature for the centrifuge, proceed as follows:
1. Insert the rotor with all buckets installed.
2. Press the
PreTemp
key to enable pre-tempering adjustment.
Figure 4–6:
1:30
18
-5
Setting the Pre-cooling or Pre-warming Temperature (left)
3. Press the
+
or
-
key and hold it until the desired temperature appears.
4. Release the
+
or
-
key when the desired temperature appears above the
PreTemp
key.
The centrifuge starts heating or cooling the rotor chamber to the preset temperature. The current rotor
chamber temperature displayed to the right of the selected pre-tempering value starts to change towards
the desired value.
5. Wait until the sample chamber temperature indicator is at the same value as the pre-termpering temperature.
Содержание Sorvall ST Plus Series
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