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Potable Water

At every stage of the drinking water treatment process, Swan offers essential instruments to measure and record key water quality parameters. From raw water intake, to purification, storage and distribution Swan’s analytical instruments provide easy operation, low maintenance and rapid plant integration. Whether required for regulatory compliance or simply for optimizing treatment procedures, Swan has the right solution at each point. Swan offers individual transmitters, flow cells, and sensors, but for added convenience Swan offers complete monitors and analyzers with all components mounted on a rugged panel, ready for quick installation and trouble-free startup. Below are the parameters Swan can help you monitor and control. Local regulations vary so be sure to contact your local Swan associate to determine best analyzers for your plant.

 

 

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Ammonium

Stage – Storage & Distribution

Ammonium can be measured quickly and continuously using ion selective electrode technology. The Swan AMI ISE provides a complete system with panel-mounted transmitter and flow cell for quick electrode installation and service. Useful for jurisdications that require ammonium monitoring.

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Chlorine, Ozone, Chlorine dioxide

Stage – Pre-disinfection, Filtration, Disinfection, Storage & Distribution

Two different technologies (amperometry, photometry) and three types of instruments are available for monitoring free chlorine, ozone, chlorine dioxide or monochloramine. The choice depends on water treatment methods:

• Amperometric three electrode system TRIDES: Treatment with free chlorine, chlorine dioxide or ozone. Dual channel system (chlorine and pH) will provide on-line conversion from hypochlorous acid to free chlorine without reagents.

• Process photometers CODES: Work under the same conditions as the amperometric system. In addition, they can be used for monochloramine. pH compensation is not necessary because the reagents contain a buffer solution.

Amperometric systems have lower cost of ownership (no reagents). Under unknown conditions (and at pH above 8.5) Swan recommends using a photometer.

• CHEMATEST portable photometer: A high precision portable photometer is needed for verification and calibration in any case.

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Conductivity

Stage - Raw Water/Intake

Four-cell conductivity probe design ensure accuracy and reliability in drinking water applications. The Swan AMI Solicon provides a complete system with panel-mounted transmitter and flow cell for quick electrode installation and commissioning.

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Fluoride

Stage – Storage & Distribution
Fluoride can be measured quickly and continuously using ion selective electrode technology, providing continuous information between lab measurements. The Swan AMI ISE provides a complete system with panel-mounted transmitter and flow cell for quick electrode installation and service.

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Nitrate

Stage – Raw Water/Intake

Nitrate can be measured quickly and continuously using ion selective electrode technology. The Swan AMI ISE provides a complete system with panel-mounted transmitter and flow cell for quick electrode installation and service.

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Organics (UV254)

Stage – Raw Water/Intake, Coagulation/Flocculation/Sedimentation, Filtration, UV disinfection, Storage & Distribution

The AMI SAC254 is an on-line monitor that continuously measures UV-absorption at a wavelentth of 254 nm, a surrogate parameter for organic carbon trending.

Subsequently, this instrument allows you to save chemicals, energy and time by improving the efficiency and efficacy of (individual) treatment steps, such as coagulation/flocculation, activated carbon adsorption and UV disinfection.

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Oxygen (dissolved)

Stage – Raw Water/Intake, Aeration

The AMI Oxysafe uses proven Clark cell technology for continuous monitoring. This instrument features a large-surface cathode and anode for long-term stable reference potential.

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pH

Stage – Raw Water/Intake, Coagulation/Flocculation/Sedimentation, Disinfection, Storage & Distribution

Choose from a variety of available configurations and electrode models for clean or dirty water. Dual channel transmitter and monitor for the continuous measurement of pH and Redox (ORP) potential are available.

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Phosphate

Stage – Storage & Distribution

Colorimetric process analyzer for the automatic, continuous measurement of phosphate in potable water. A key part of corrosion control systems.

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Redox (ORP)

Stage –Raw water/Intake, Storage, Disinfection, Distribution

Choose from a variety of available configurations and electrode models for clean or dirty water. Dual channel transmitter and monitor for the continuous measurement of pH and Redox (ORP) potential are available.

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Turbidity

Stage – Raw Water/Intake, Coagulation/Flocculation/Sedimentation, Filtration, Disinfection, Storage & Distribution

Choose from non-contact and contact nephelometers. The AMI Turbiwell features non-contact measurement to prevent fouling. Models available for ISO or EPA methods. The AMI Turbitrack and AMI Turbitrace provide enhanced performance at low levels and are pressure resistant up to 10 bar.

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