Why can’t I get a stable turbidity measurement?

Dokument-ID

Dokument-ID CO168

Veröffentlichungsdatum

Veröffentlichungsdatum 04.01.2022
Frage
Why can’t I get a stable turbidity measurement?
Zusammenfassung
Outline several factors that may cause unstable turbidity measurement
Antwort
Unstable turbidity measurements can be caused by several factors including:
  • sample settling
  • a dirty or scratched measuring cell
  • dust and dirt in the instrument optics 

Variability caused by settling is inherent to the technique.  An instrument with an averaging function can help to mitigate this issue.  A clean cell and instrument are necessary for quality turbidity measurements.  Regular inspection and cleaning of the cell and optics is highly recommended.

You can view some of the Hach Turbidity solutions here:
TL23 Laboratory Turbidimeter
TU5 Laboratory Turbidimeter
2100q Portable Laboratory Turbidimeter

 

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