Mequipco Ltd.

- MFC - Analyzer / Controller

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The Wallace & Tiernan MFC analyzer/controller offers a broad combination of drinking water analysis and disinfection/chemical control in a single unit. The control function offers an easy, software selectable range of control modes from flow proportional, residual control only, compound loop, and set point trim enabling precise control of a chlorinator or metering pump to maintain the desired level of disinfection and water quality. Up to 4 water quality parameters, such as free and total chlorine, chlorine dioxide, ozone, fluoride, conductivity, redox, pH and temperature can be measured by single or multiple flow cells. A variety of flow cells are available, including the proven Depolox 5, bare-electrode measuring cell for free chlorine, potassium permanganate, chlorine dioxide and ozone and the VariaSens™ flow block for utilizing internally buffered oxidant sensors.

  • On-line continuous measurement of up to 4 key water quality parameters in one instrument
  • Choice of 4 control options in a single controller
  • Plug and Play utility for simple upgrades, in the field
  • Proven amperometric chlorine/oxidant measurement
  • Intuitive programming for user-friendly operation
  • Integral control options, including auto-tuning
  • Reliable flow and pressure controlled sensor flow cells options ensuring stability of measurement parameters

The MFC analyzer/controller is suitable for a number of drinking water and industrial process water treatment applications. These include:

  1. Online measurement of up to 4 out of the 8 parameter choices mentioned above.
  2. Selection of 2 control outputs with up to 4 control parameters from flow proportional control to compound loop control with set point trim enabling optimization of disinfection or chemical dosing in a wide range of potable water and a variety of industrial applications.
  3. Drinking water applications include:
    1. Disinfection control – chlorination (using chlorine gas, sodium hypochlorite, chlorine dioxide, ozone, potassium permanganate), dechlorination, ammoniation.
    2. pH monitoring control.
    3. Fluoridation.
    4. Chemical dosing control.
    5. Scale and Corrosion control.
  4. Industrial applications:
    1. The above.
    2. CIP Processes.
    3. Ground water remediation.
    4. Legionalla prevention.
    5. Bottle washing, Salad washing .

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