The Hach CL17 Chlorine Analyzer uses colorimetric DPD chemistry to monitor water continuously for free or total residual chlorine. The CL17 is a simple, dependable and economic solution, and the preferred choice to high-maintenance instruments that require frequent calibration. The CL17 analysis method is robust and not affected by changes in chlorine concentration, sample pH, temperature, flow, or pressure, thus offering more accuracy and reliability than alternative instruments and technologies.
