PCME QAL 181 X, User Manual, Page: 94 / 106

- PCME QAL 181 MANUAL: 94 -
13 CLEANING PROCEDURES
The are several controls both at the control unit and within the sensor enclosure to aid the
following cleaning procedures.
The Cleaning Screen in the Control Unit
Select ‘Quality Assurance/Self Tests’ display
Select Device = 181 Dust channel
Select “Cleaning”
The Cleaning Screen is displayed:
The Cleaning Screen provides user control of the sensor:
Entry Shutter Place the quadrant into the shutter position. This should be done
before attempting to cleaning the measurement region to stop
dust entering the sensor.
Exit Shutter This function is not used.
Span Element This places the quadrant into the Span Test position. This makes
the span test element visible to aid cleaning of the span element.
Laser Turns laser off to provide safety whist cleaning.
The Quadrant Position setting adjusts the position of the quadrant. This should not normally be
adjusted.
Cleaning
Exit
Entry Shutter
5.5
>
>
Activate
Activate
Activate
Activate
Exit Shutter
Span Element
Laser
Quadrant Position
Open / Closed
Open / Closed
Open / Closed
30
Purge Flow
On / Off