Potentiometric pH sensor for water and wastewater applications

  • 2-wire loop powered, 4…20 mA/HART® 7, for direct connection to a PCS
  • Process connection: PG13.5
  • 0…14 pH; Max. +70°C / +158°F; 10 bar / 145 psi
  • Glass sensor with PTFE diaphragm and Pt1000 for temperature compensation
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    The SMARTPAT PH 8320 is a 2-wire loop powered pH sensor for applications in water and industrial or municipal wastewater. The glass sensor is equipped with a dirt-repellent PTFE diaphragm and integrated Pt1000 for temperature compensation. It has an extended lifetime due to its double junction. Offline calibration of the sensor is possible under controlled conditions, generating cost savings due to less operator time on-site and longer sensor lifetime.

    The SMARTPAT PH 8320 is part of the SMARTPAT product family - the first sensor line in the market featuring an integrated transmitter with built-in fieldbus communication (HART® 7) and current output. The real open standard enables a direct connection from the sensor to the process control system. Unlike other commercially available pH sensors, there is no need for external transmitters. Thus, price and maintenance costs of the complete measuring point are considerably reduced.

    Product highlights

    • No external transmitter needed
    • Offline calibration under controlled conditions: Cost savings due to less operator time on-site and longer sensor lifetime
    • Double junction for extended lifetime and wide application range
    • With integrated temperature sensor and standard VP2 connector
    • Free of charge PACTware FDT/DTM for easy handling of offline and online configuration
    • Direct connection via standardized fieldbus (HART® 7)
    • Various mounting assemblies for easy installation and reliable handling
    • IECEx, ATEX, NEPSI, FM (zone 0)

    Typical applications

    Water and wastewater industry

    • Control of biology in wastewater
    • Monitoring of neutralisation processes in municipal wastewater treatment
    • Monitoring of surface and wastewater
    • Dosage of flocculation agents
    • Process control

    Chemical and petrochemical industry, pulp and paper industry

    • Liquid applications with stable process conditions

    Power industry

    • Monitoring of boiler feed water
    • Monitoring of flue gas washing water

    Additional information

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