Important information
NOTICE
Device damage through incorrect cleaning.
Incorrect cleaning can lead to device damage.
•
Only use recommended cleaning agents.
•
Do not use sharp objects for cleaning.
Procedure
1.
Wipe the surface with a damp soft cloth and wipe again with a dry soft cloth.
2.
If the frames are heavily soiled, do not use acidic or abrasive cleaners, as these
attack the surface structure. Use neutral soap sud or limescale remover specially
suitable for the surface.
3.
Use 2-propanol/isopropanol (isomeric alcohol) for disinfection.
10.5
Checking the system
10.5.1
Check assemblies
Procedure
1.
Check complete measuring system (from sample gas sampling to exhaust gas) for
outer damage.
2.
Check sample gas outlet for continuity.
3.
Check installation site for cleanness, dryness and freedom from corrosion.
4.
Check grounding conductors are free from corrosion.
5.
Check valve block and pressure reducer unit for leak tightness:
°
No permanent hissing noise should be noticeable.
°
Check no air is escaping from the connections, e.g., with leakage spray
10.5.2
Check external instrument air supply
Procedure
1.
Check pressure, oil, particle and water content according to the specification.
2.
If an external instrument air conditioning is provided:Check condition of filters.
Related topics
•
Specification of utility gases:
•
Filter conditions: See Instrument Air Conditioning Operating Instructions
10.5.3
Check span gases
Procedure
1.
Check use-by date.
2.
Check fill level.
3.
Check cylinder pressure.
4.
Check condition of cylinders.
10.5.4
Check environment
Procedure
1.
Check room ventilation.
2.
Check ambient conditions of analyzer and gas sampling unit: Temperature, humid‐
ity, vibrations
10
MAINTENANCE
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O P E R A T I N G I N S T R U C T I O N S | MCS200HW-MP
8026608/AE00/V1-0/2021-10 | SICK
Subject to change without notice