ECD Versatile Chlorine Sensors Simplify Water Monitoring

September 29, 2011

The sensor series is Iieal for a wide variety of aqueous environments including drinking water, wastewater, rinse water and cooling water.

IRVINE, CA -- Electro-Chemical Devices has developed a flexible, user-friendly series of sensors for chlorine analysis, designed to easily and cost-effectively fit into chlorine monitoring systems in a wide variety of aqueous environments. The FCA-22 free chlorine sensor, TCA-22 total chlorine sensor and CDA-22 chlorine dioxide sensor are high-accuracy amperometric sensors that are ideal for fresh water applications including monitoring of industrial cooling and rinse water, drinking water and wastewater.

FCA-22 Free Chlorine Sensor
The Model FCA-22 free chlorine sensor is a low-maintenance, high-accuracy amperometric free chlorine sensor ideal for most aqueous environments. It features a long-lasting sensor that minimizes part replacement and technician labor expenses. The FCA-22 precisely measures free residual chlorine from 0.05 to 20.0 ppm Cl2, 5 to 9 pH and at temperatures from 32°F to 122°F (0°C to 50°C).

TCA-22 Total Chlorine Sensor
The TCA-22 total chlorine sensor is designed for use in drinking water, industrial cooling and rinse water, wastewater or other fresh water samples containing chlorine in the range of 0–20 ppm, operating at a temperature range of 0°C–45°C. It is ideal for application in municipal water systems and a wide range of water-based processes in the chemical, electronics, electric power, food/beverage, oil/gas, pharmaceutical, pulp/paper and many other industries. The TCA-22's amperometric sensor features a three-electrode design that measures all chlorine species in the water, combined chlorine and free chlorine. The sensor is constructed with one gold cathode, one silver halide anode and a 304 stainless steel counter electrode which provides a stable base potential, minimizing drift for higher accuracy.

CDA-22 Chlorine Dioxide Sensor
The CDA-22 chlorine dioxide sensor is a high-accuracy polarographic amperometric sensor with gold cathode and silver chloride anode and PTFE membrane. It designed to measure chlorine dioxide in concentrations ranging from 0.05–20 ppm CIO2 and operates at a wide temperature range of 0°C to 50°C (32°F to 122°F). It is ideal for applications in municipal water systems, industrial cooling and rinse water, wastewater or other fresh water samples. The low-maintenance CDA-22 can run for up to one year between electrolyte/membrane changes.

Panel Mount System Solution
The FCA-22, TCA-22 and CDA-22 chlorine sensors are also available as turn-key panel mount systems, featuring a simple "plumb-and-play" design combined with ECD's highly intelligent C22 Analyzer/Controller. These chlorine measurement systems are pre-wired and panel-mounted, featuring automatic pH compensation and flow control for superior chlorine monitoring.

About Electro-Chemical Devices
Electro-Chemical Devices (ECD) is a manufacturer of liquid analytical process instrumentation. Founded in 1977, ECD has been in business for over 30 years and has built its industryleading reputation by its commitment to customers through this basic approach: Provide quality products, develop technical innovations and provide responsive, knowledgeable service.

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