Instruction manual

Operation
Features of the menu screen
2-80 WX Ultra Series Thermo Scientific
(2) Run Time range
This function selects one of the following two items as the running time setting range in the normal
operation mode or zonal operation mode:
>> Accel + Run
Time from pressing the START key to a start of deceleration: T1 (ordinary running time).
Figure 2-27
Run time range setting
(3) Start mode select
This function allows you to select one of the following values as the degree of vacuum in the process
from the vacuum wait to accelerationto the set speed:
>> Medium vacuum: Approx. 133 Pa (ordinary)
>> High vacuum: Approx. 13 Pa
Figure 2-28
Vacuum waiting operation mode
Note The vacuum waiting time is not counted in the normal operation. To eliminate the run time
difference in the high vacuum start mode, vacuum the rotor chamber up to a high degree during
the rotor stop and then start the operation.
>> Run
Time from reaching to the set speed to a start of deceleration: T2
Speed
Speed
T1
T2
T1
T2
Time
Time
[Normal operation]
[Zonal operation]
Speed (rpm)
4,000