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4
Service and maintenance
To maintain the functionality of the device and the correctness of the volume, regular inspection and
maintenance work must be performed.
Regular checks are a prerequisite for the correctness of the measured water content. The correctness is
determined by the condition of the lines carrying carrier gas and their seals as well as the needle head system.
Hoses, seals and the needle are wearing parts.
For maintenance of the coulometer, see the corresponding.
We recommend the following inspection and maintenance work
Easy cleaning:
External wiping of chemical splashes
Check screw connections for tightness on
TM 235 TO
Flowmeter
Neadle head
Gas inlet tube on the titration cell
Check the hose system for damage and contamination.
Check the needle for damage (bent) and contamination (blockage
due to septum residues, adherence of sample residues) and clean if
necessary.
Replace or dry the desiccant
All inspections and maintenance work can also be defined differently depending on the application.
The individual intervals can be extended if no complaint occurs, they must be shortened again as soon as a
complaint has occurred.
A regular check of the entire system by means of standards specially suited for oven measurement is
recommended.
Inspection Step
:
Interval
Always when in use or when
necessary
Weekly
and on reactivation
Weekly
and on reactivation
Weekly
Monthly or when the start drift is
no longer achieved
89
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