Conductivity

A conductivity system is only as good as the sensor or cell which provides the signal to the analyzer or controller. Water Analytics Inc., with many years of experience in the measurement of conductivity, manufactures a wide variety of conductivity cells to satisfy any industrial, power plant or laboratory application. In addition to the standard line, all types are available for high temperature applications.

The AS and AM series probes all work with the Shark controller, Shark-TX transmitter and most other manufacturers’ analyzers. The ES-5 toroidal sensor provides a direct 4-20 mA output that can straight to the 2300 controller. The ES-1 is meant to work with Hach or Knick controllers.

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Dissolved Oxygen

AquaMetrix has been making dissolved oxygen sensors for the five decades it has been in business. The 2200D analyzer and P91 sensor are Clark (membrane) based electrochemical systems and are proven in hundreds of wastewater treatment plants around the world. It is still the sensor technology of choice in Asia and much of Europe. The newer optically based probe is a new addition to the AquaMetrix product line. it’s made for us by the world leader in biopharmaceutical sensors and provides both 4-20 mA analog and Modbus digital outputs.

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Turbidity

The AM-TBR builds on decades-long experience of measuring turbidity in water and wastewater installations around the world. The instruments are configured with a white light source to meet EPA Method 180.1 or with an infrared source to comply with ISO 7027. Unlike other incandescent light sources, the Krypton-filled bulb provides up to 7 years of life. The ISO 7027 compliant meter has three IR LED light sources which also provide 7 years of trouble-free service.

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Flow

Aquametrix carries the Seametrics line of paddle wheel and magnetic induction flow meters. All of them connect directly to the Shark controller, Shark TX transmitter and 2300 controller.

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PH/ORP

There are hundreds of pH and ORP (redox) probes in the marketplace. Only a few use differential technology. And only one is the legendary Aquametrix probe. For three decades the Aquametrix differential probes have set the standard for durability, longevity and precision. These sensors may cost more up front but, in very aggressive processes, they will end up saving money over the years.

Every model comes as either a pH (“P”) probe or ORP (“R”) probe. All but one class of sensors are meant to be used with the Shark controller or Shark TX transmitter. The P/R-65 series of differential probes provide direct 4-20 mA output for a PLC or the AquaMetrix 2300 controller.

For applications that involve clean water and that do not need years of service from a probe a combination probe is an economic alternative. These probes are sometimes called for when the process is so aggressive that no probe lasts longer than a year. The 500 sereies probes come in a fixed insertion or a variable insertion form factor. They can be ordered with automatic temperature compensation or a pre-amp to allow transmission over distances greater than 10 feet. Models are also available that contain an HF resistant antimony electrode and a hardened glass electrode.

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Chlorine

The Aquametrix AM-FCL is a direct output 4-20 mA sensor that connects to the AquaMetrix 2300 controller or to a PLC. For maximum accuracy add a variable area flow meter (AM-FCL-FM) and constant pressure flow cell (AM-FCL-FC). Automatic pH compensation can be accomplished by adding a pH probe to the PLC and adding software to perform the compensation.

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Level Sensor

Water Analytics carries a broad base of level analyzes from simple hydrostatic level transducers to full feature ultrasonic analyzers. Both the AM-HLT and LL series are inexpensive and rugged contacting transducers. The SLT is a full featured ultrasonic analyzer and the AM-UST is an ultrasonic transducer with a built-in analog or digital transmitter.

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4-20 mA Output

This section is not a new category of products. Rather it is a grouping of sensors from our product line that all have a common feature—direct 4-20 mA output. These sensors have transmitters built into them that are powered by, and output to, a PLC. Since they do not require an external transmitter they are very cost effective. In two cases (the dissolved oxygen sensor and ultrasonic level transducer) they can also output a digital Modbus signal. All of them can be powered by an inexpensive 24 VDC power source and read by a panel meter.

They include the pH and ORP sensors that we make and probes that we sourced from a half dozen small manufacturers scattered around the country. Nonetheless there are advantages to keeping the transmitter separate from the sensor. Whether any of the following direct output sensors is right for your application depends on several factors. As the drug commercials say, “To find out if a sensor is right for you consult your sensor doctor–that’s us.”

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Controllers & Transmitters

AquaMetrix has been making controllers and transmitters for over three decades. The 2200 controllers for pH, ORP, conductivity and flow put the AquaMetrix name on the map due to their ruggedness and simplicity. The Shark controller and Shark TX transmitter replaced all four 2200 models with one multi-parameter, single-input analyzer. After 10 years of a stellar track record the Shark and Shark TX have been replaced by the AM-2250 and AM-2250TX. With greater measurement accuracy and features that you actually need these two new models will set a new standard for durability and ease of use for the next decade.

The AM-2300 multi-parameter, multi-input controller is the first and only web-enabled analyzer that brings SCADA functionality to a small package that anyone can configure and use. One day all controllers will work like it.

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