The online HydroACT chlorine analyzer from Chemtrac is versatile and user friendly. Using a membrane-covered three-electrode amperometric sensor, the pH dependency is significantly reduced. Free and/or total chlorine measurement sensors can be used for various ranges of chlorine measurement (0-2, 0-5, 0-10 ppm, etc.), and there is no need for zero calibration. Since the analyzer does not require any reagents or buffers, the cost of ownership is low. The data is suitable for reporting when used in compliance with EPA Method 334.0. When incorporating additional sensors, the analyzer can also be used for measuring more parameters, including pH, ORP, chlorine dioxide, ozone and organics. Expandable output and communication options are available, as well as PID control capabilities. 800/442-8722;

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