AFi ISA - Precooling; Setting Mode; Set Speed Unit; Centrifuge Force

Original Instructions Rev.1.0 User Manual – Isa 19/ 42
Precooling
A "Pre-cooling" cycle prior to centrifugation allows to cool the centrifuge down to 4 degrees Celsius so it is ready for
temperature sensitive samples.
1
Select Program 0. "Cool" message is displayed : Precool program is selected.
2
Load buckets onto the rotor, following instructions in § 0
Rotor loading and balancing.
3
Close the lid.
4
Press START to begin the cycle.
Precooling program is set to 4°C, at 2000 rpm. Parameters are build-in, and not
adjustable.
5
Centrifugation starts.
6
The cycle ends when the temperature of 4°C is reached.
Setting Mode
#
Action
Instruction
Effect
1
Select the program number spinning
the knob.
The program number is displayed under
"Prog".
2
x2
Press & hold validation button twice.
The selected program is now in Setting
mode.
Speed unit value is now blinking.
3
Modify blinking value spinning the
knob.
Possible values :
- rotation per minute noted "rpm" (by
default)
- relative centrifugal force, noted "rcf"
Speed unit is modified.
In case of selecting "rcf" unit, the
centrifuge radius has to be set,
following next paragraph.
4
x5 (on
refrigerating
model)
Press 5x to quit Setting Mode.
(On ventilated model, press 4x)
The modification of the selected
program is saved.