Instruction manual

Operation
Basic operating procedure
2-16 WX Ultra Series Thermo Scientific
2 On the Run Screen, move the cursor to ZONAL
and enter the following by operating numeric
keys to set the zonal operation mode.
3 Set the run conditions. >> For details, see Section Basic operation.
4 Press the START key.
Note The time being consumed at zonal speed is not counted as
part of the run.
5 Install the seal assembly on the rotor. >> For details, see zonal rotor manual.
6 Load the sample and the gradient solution.
7 Install the cap assembly on the rotor.
8 Close the chamber door.
9 Press the VACUUM key. (This step may be omit-
ted.)
>> Vacuum pump begins to work.
>> Chamber door is locked.
10 Press the START key again. >> Rotor begins to accelerate to the set speed.
Note The run time is counted from when the START key is pressed. The
instrument can also count only the time elapsing while the rotor is
spinning at high speed. This is possible by changing the run time setting
range. For details, see Section “Run time range setting”
on page 2-80.
11 If you need to stop the run before the set time
elapses, press the STOP key.
>> Rotor is decelerated to the zonal speed and then the buzzer sounds.
12 Press the VACUUM key. >> Vacuum pump stops working and air enters the rotor chamber.
>> Door lock is released.
• Rotor begins to accelerate
to the zonal speed.
• Temperature control
begins.