ABB LS4000 Operating Instructions Manual - page 178
178
LS4000, LS4060 DIODE LASER ANALYZERS | OI/LS4000/O2-EN REV. A
As required
Optical components are all the components through which the laser beam
passes. Depending on the design of the analyzer, this may include:
The transmission unit lens
The receiver unit lens
Isolation flange(s)
Validation cell
Proceed as follows:
Step Procedure
1
Check all optical components to ensure they are undamaged.
It is advisable to perform this check when the transmission and
receiver units have to be dismantled for process calibration.
If …
then …
an optical component is
scratched or damaged
the optical component must be replaced.
The optical components have a sensitive coating. There is a risk
of them being scratched.
Do not touch the optical components with your fingers! Wear
gloves!
Only use approved and recommended cleaning agents and
equipment when cleaning the optical components.
Approved and recommended equipment:
Soft cotton gloves
Soft microfiber cloths
Soft brushes
Cotton swabs
Cotton buds
Bellows
Oil-free, soft compressed air
Approved and recommended cleaning agents:
For regular dirt:
Commercially available washing-up liquid, diluted with distilled water.
For heavy contamination:
A 1:1 mixture of clean isopropyl alcohol and distilled water.
Checking the optical
components
Cleaning the optical
components