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Operation
Basic operating procedure
Thermo Scientific
WX Ultra Series
2-13
Normal operation
Given below is a description of the operational procedure for a normal run.
Figure 2-6
Normal operation mode
Note
Before starting up this machine, carefully read the operation manual for your rotor and make
sure that you have selected the correct type of tubes and entered the
correct amount of sample.
Speed
Time
Step
Operation and keystrokes
Unit operation and considerations
1
Turn on the POWER switch on this machine.
>> The panel display lights up.
>> The door is unlocked.
2
Open chamber door and make sure chamber is
dry.
3
Install the rotor.
>> Before installation, read the rotor instruction manual carefully.
4
Set run conditions.
>> See Section
Setting run conditions
and set run conditions.
5
Press VACUUM key. (optional)
>> The machine starts evacuating the rotor chamber.
>> Temperature control starts.
>> The degree of vacuum in the rotor chamber is displayed on the vacuum indicator
on the display panel.
>> If the rotor compartment has moisture or frost on it, it takes a long time to reach
a high vacuum.
In that case, wipe it off with a clean, dry cloth or sponge.
>> If the sample is sensitive to a temperature rise, do not press the START key
until the chamber is at high vacuum level.
6
Press START key
>> The rotor starts spinning.
>> The timer begins operating.
>> The rotor accelerates to the set speed.
>> This ultracentrifuge waits at 4,000 rpm until an intermediate vacuum is
reached.
(1) In a low vacuum
(2) In an intermediate vacuum
(3) In a high vacuum
(1 indicator)
(2 indicators)
(3 indicators)
Содержание WX 100 Ultra
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