What is the "warning: NDIR response is out of expected range" on the QbD1200 TOC analyzer?

Dokument-ID

Dokument-ID TE7800

Veröffentlichungsdatum

Veröffentlichungsdatum 14.04.2022
Frage
What is the "warning: NDIR response is out of expected range" on the QbD1200 TOC analyzer?
Zusammenfassung
"Warning: NDIR response is out of expected range" on the QbD1200
Antwort
This warning on the QbD1200 TOC analyzer means that the slope value obtained in the calibration is outside of a preset range in the software.  This warning can come up, but it does not necessarily mean there is an issue with the QbD1200.  If the R2 value is very close to 1.0, then this is an indication there likely is nothing to worry about.  If the measurements are unstable after receiving this warning, this can indicate there is a blockage or leak in the system.  The gas manifold can be cleaned and checked for any blockages.  All lines in the analyzer should be inspected for leaks or blockages. 

If the warning comes up, you can check to ensure there are no issues with the QbD1200 by running a standard solution and ensuring the results are accurate and stable between repetitions.

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