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New CL17sc Chlorine Analyzer

The Next Standard in Colorimetric Chlorine Analysis



Why CL17sc?


Built on a legacy of reliability in online chlorine analysis, the advanced design of the CL17sc reduces routine maintenance touch time and provides powerful diagnostic features and enhanced connectivity. The result is less hassle, minimized risk of data loss, and even more reliable information to empower your decision making.


With the CL17sc, maintenance made easy with simplified tubing and on-screen workflows.

Maintenance Made Easy.
The CL17sc reduces your routine maintenance touch time with simplified tubing replacement and step-by-step, on-screen instructions for routine maintenance.

The CL17sc has comprehensive diagnostics so you’ll know at glance that the instrument is operating correctly.

Peace of Mind Through Comprehensive Diagnostics.
With upgraded features like a flow meter, colorimeter window, multicolor status light, and predictive diagnostic software, you know your instrument is operating as intended.

The CL17sc is now connected to the SC controller platform, giving users more flexibility to store, transfer, and interact with their process chlorine data.

Expanded Connectivity. Increased Flexibility.
By pairing the CL17sc with Hach's SC controller platform, your options increase significantly: internal data logging, external analog and digital communication alternatives, and multi-parameter instrument flexibility.

Claros Enabled products share measurement data and status information with Claros - The Water Intelligence System from Hach. Claros provides greater confidence in your data, resulting in improved efficiencies in your plant’s operation.

With Hach Service , you have a global partner who understands your needs and cares about delivering timely, high-quality service you can trust. Our Service Team brings unique expertise to help you maximize instrument uptime, ensure data integrity, maintain operational stability, and reduce compliance risk.

CL17sc Routine Maintenance is Quick and Easy


Spin the CL17sc


Explore every angle of the new CL17sc.
See how the new chlorine meter improves the legacy of the CL17.





The CL17sc online chlorine analyzer extends Hach's decades-long legacy as the leader in online chlorine analysis. It uses EPA-approved colorimetric DPD analysis (EPA 40 CFR 141.74) to deliver accurate and reliable measurements of free or total residual chlorine. Whether you use online chlorine measurements to optimize your process or report to regulatory agencies, the CL17sc is the analyzer you can trust.


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