Can the CL17 chlorine analyser for free chlorine be modified to measure total chlorine and vice versa?

Document ID

Document ID TE2043

Version

Version 3.0

Status

Status Published

Published Date

Published Date 11/04/2019
Question
Can the CL17 chlorine analyser for free chlorine be modified to measure total chlorine and vice versa?
Summary
CL17 free and total chlorine measurements
Answer
To change a CL17 from free chlorine to total chlorine measurement, replace the regagents for free chlorine with the reagents for total chlorine and prime the analyser a few times.

To change a CL17 from total chorine to free chlorine, the reagent tubing must be replaced to avoid contamination. If the analyser is due for tubing maintenance on its regular interval then change all of the tubing before installing the new reagents