User`s guide

Operation
160
Maintenance Tab
You will use the Maintenance tab to set flows or perform routine
maintenance on the instrument. The Maintenance tab contains the
following commands.
Maintenance—Select this command in order to preform certain
maintenance procedures.
Check Pnu-The functioning of the PPC Flow Controllers can be
monitored by this dialog box. To change the set point for a
controller, enable the check box for the controller to be tested.
The other controller inputs will be grayed out. Next input a flow
value between 0.1 and 200 mL/min and press the Set button. The
flow controller will be commanded to the new set point and the
actual flow value will be displayed. The flow can be monitored
at the vent barb located on the top left rear corner of the
instrument.
The TurboMatrix 650 ATD has an additional flow controller for
the sample recollect function.