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Chlorine Analyzer


Chlorine Analyzer

Chlorine Analyzer

Residual chlorine monitor AW401

Residual chlorine is one of the most important measurements for the effective monitoring of cooling, potable and industrial water treatment processes. The AW401 residual chlorine monitor control and monitors residual chlorine levels accurately and affordably.

The AW401 design enables connection of up to 3 residual chlorine monitoring sensors to the system or enables pH, ORP and residual chlorine sensors to be combined, thus reducing the cost of each measurement considerably.


Chlorine Analyzer

Chlorine Analyzer

Residual chlorine monitor with PID AW402

Residual chlorine is one of the most important measurements for the effective monitoring of cooling, potable and industrial water treatment processes. The AW402 residual chlorine monitor control and monitors residual chlorine levels accurately and affordably.

The AW402 design enables connection of up to 3 residual chlorine monitoring sensors to the system or enables pH, ORP and residual chlorine sensors to be combined, thus reducing the cost of each measurement considerably.


Chlorine Analyzer

Chlorine Analyzer

ChloroStar™ Cell AW401

The ChloroStar™ sensors can be used with ABB’s versatile AWT424 transmitter, capable of measuring a wide variety of parameters in a single device. With the ability to mix and match either traditional analog or smart digital EZLink™ sensors, the AWT424 enables users to create a tailored water analysis system to meet specific needs. Features such as Dynamic QR assistance, Dual-sensor validation, Dual PID control and auto pH correction provide reliable control of disinfection measure-ment.

Convenient mobile access to essential chlorine sensor information can be achieved via the EZLink™ Connect App. Using Bluetooth connectivity to send data to a smartphone or tablet, users can view and share measurement and audit data rapidly, as well as track the status of maintenance tasks.


Chlorine Analyzer

Chlorine Analyzer

ChloroStar™ Sensor

The ChloroStar™ tri-electrode chlorine sensor offers a resilient, plug-and-play design that’s easy to install. Offering measurements for free or total chlorine with in-built pH compensation for added accuracy, it’s easy to use and low-cost to maintain.

Key features 

  • Measurement: Free chlorine, total chlorine
  • Measurement range: 0 to 20 mg/l (ppm)
  • Sample pH: 4 to 11
  • Sample flow rate: >1 l/h (0.26 galUS/h)*
  • Approvals: CE, ATEX/IECEx
  • Minimal Annual Maintenance. Sensor Cap Change Only. 

Chlorine Analyzer

Chlorine Analyzer

EZTest 10
Chlorine verification

On-site chlorine measurement verification is simple with the EZTest 100 handheld (AWQ101). The one-time zero function allows users to keep the calibration factors without having to adjust the zero prior to each measurement.

Key features:

  • Portable calibration and verification
  • Programmable zero for fast measurement
  • IP68 waterproof rated

Chlorine Analyzer

Chlorine Analyzer


Chlorine Analyzer

Chlorine Analyzer

AWT424 Transmitter

The AWT424 transmitter offers swappable communications and sensor modules, options for panel-, pipe- and wall-mountings and general purpose and safety enclosures. The AWT424 is a versatile single box solutions for measuring a range of parameters including pH/ORP, conductivity, turbidity, chlorine and dissolved oxygen.

Operation simplicity is a key feature of the AWT424 with its powerful, yet intuitive software, advanced self-diagnostics and its unique modular design that enables users to achieve increased efficiency through greater user flexibility, reduced process downtime and simplified maintenance.&

With integrated Bluetooth you can securely connect to any iOS or Android device using the EZLink connect app to easily access essential sensor information. From checking your audit logs to downloading the latest software through your smartphone, we are confident that EZLink connect will make your life that little bit easier by providing you with a wealth of information and services to support you wherever and whenever you need it.

  • Supports up to 4 sensors
  • Connect and measure modular design
  • 'Easy Setup' menus provide step-by-step guidance
  • Multi-level security access prevents unauthorized modification of process control data
  • Secure data archiving to an SD card
  • Direct connection to your smart device&
  • HART, Ethernet, PROFIBUS or MODBUS digital communications
  • Wall-, panel- or pipe-mountable
ABB Water Analysis Solutions
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