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Foxboro - Process Liquid Analytical

Sensors, analyzers and transmitters for on-line liquid analytical measurements

Sensors, analyzers and transmitters for on-line measurements of pH, ORP, ion selective electrode activity, conductivity, resistivity and dissolved oxygen.

Foxboro - Process Liquid Analytical
  • Features

    California Proposition 65 Warning

    WARNING: These products can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm.  
    > For more information, go to

     Conductivity Sensors:
    • Broadest range of electrodeless sensors to meet all application requirements
    • Safest sensor (871FT) for measuring dangerous chemicals due to calibration from outside the pipe
    •  Patented calibration tool enables fast, accurate calibration
    •  PEEK body electrodeless sensors do not rely on mechanical seals to protect sensor internals from process ingress.  The industry's most robust electrodeless sensors.
    •  High accuracy contacting sensors for critical pure and ultrapure water measurements

    pH and ORP Sensors:
    •  Best performing flat membrane pH electrode for abrasive and fouling applications
    •  Built-in solution ground for sensor diagnostics
    •  Nafion ion barrier to protect reference junction from poisoning
    •  Non metallic wetted parts and wide temperature range
    •  Smart pH sensor stores calibration data in on board memory, allowing for sensor calibration in an instrument shop or laboratory environment

    Analyzers and Transmitters
    •  Transmitters are intrinsically safe for Zone 0 applications
    •  HART communications and HART Device Type Manager (DTM) for remote configuration
    •  Sensor diagnostics and 100 event log book for capturing unusual events
    •  Enclosures are IP66 and NEMA 4X for challenging industrial installations
    •  Line powered analyzers and loop powered transmitters work with the same sensor types


    For Conductivity Sensing:
    •  Long sensor life
    •  High accuracy
    •  Easy to install, remove and calibrate
    •  High degree of safety
    •  Flexible matching of materials to meet application requirements
    •  Application expertise and 24/7 technical support

    For pH Sensing:
    •  Long sensor life
    •  Low maintenance
    •  Fast, easy, reliable calibrations
    •  Flexible matching of materials to meet application requirements
    •  Application expertise and 24/7 technical support

    For Analyzer and Transmitter Operation:
    •  Easy to configure
    •  Predictive and failure diagnostics for effective sensor management
    •  High accuracy
    •  Flexible configuration interfaces, local or remote
    •  Easy switch to a different application due to built-in measurement and chemical information
    •  Comply with hazardous area safety requirements
    •  Interface to plant communications standards.  HART and 4 to 20 mA.


    •  Concentration of acids, bases and salts; interface detection; scrubber pH, reactor control
    Pulp and Paper
    •  pH in bleach plant, brown stock washing, white liquor strength, digester alkali, black liquor spill detection, pH in paper machine
    •  Pure water pH, scrubber pH, condensate conductivity, boiler feed water, cooling towers
    Food and Beverage
    •  Clean-in-Place conductivity, pH in ethanol production, brine concentration, product quality, salt content, caustic peelers, rendering plant pH, bottled water conductivity, juice, yogurt, cheese
    Water and Waste
    •  pH adjustment, pH and dissolved oxygen in waste water, fluoridation of drinking water
    •  Waste water treatment, steam condensate, boiler feed water


    • PH12 Sensor
    • 875PH Analyzer
    • PH10 DolpHin Sensor
    • 871EC Sensor
    • 871FT Sensor
    • 871PH Sensor
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