توضیحات

CPS491D-7221 Endress+Hauser

Digital non-glass pH sensor
Tophit CPS491D

Memosens ISFET sensor for heavily polluted media in chemical processes, paper or paint production

Tophit CPS491D is the specialist for fibrous media or media with a high content of suspended solids such as dispersions, precipitation, emulsions. Its unbreakable shaft ensures a long operating life while the open aperture guarantees reliable measurement under harsh process conditions. Thanks to Memosens digital technology, CPS491D combines maximum process and data integrity with simple operation. It resists corrosion and moisture, enables lab calibration and facilitates predictive maintenance.

  • Specs at a glance

    • Measurement range

      pH 0-14

    • Process temperature

      max. 130°C (266°F)

    • Process pressure

      max. 10 bar/100°C (145 psi/212°F)

       

     

Benefits

  • Unbreakable for highest product safety

  • Open aperture for application in heavily soiled media

  • Application possible at low temperatures

  • Low maintenance thanks to long calibration intervals

  • Maximum process safety through non-contact inductive signal transmission

  • Enables predictive maintenance due to storage of sensor and process-specific data

  • Reduced operating costs due to minimized process downtime and extended sensor lifetime

Field of application

  • Chemical processes

  • Pulp and paper industry

  • Contaminated media and suspended solids
    – Dispersions
    – Precipitation
    – Emulsions

With ATEX, FM, and CSA approval for application in hazardous areas.

Features and specifications

  • Measuring principle

    ISFET

  • Application

    – Process applications – non-glass, break-proof – low temperatures – min. conductivity >500µS/cm – emulsions, suspensions, organic solvents

  • Characteristic

    – Rapid response at low temperatures – stabilised gel insensitive to contamination – lower amount of maintenance required than with glass – overhead installation

  • Measurement range

    pH 0-14

  • Measuring principle

    – Open aperture – double gel reference

  • Design

    – All shaft lengths with temperature sensor – advanced gel technology

  • Material

    PEEK / metal oxide / Perfluorelastomere

  • Dimension

    Diameter: 12 mm (0.47 inch)
    Shaft lengths: 120, 225, 360, 425 mm
    (4.72/8.86/14.2/16.7 inch)

  • Process temperature

    max. 130°C (266°F)

  • Process pressure

    max. 10 bar/100°C (145 psi/212°F)

  • Temperature sensor

    Pt1000.

  • Ex certification

    ATEX
    FM

  • Connection

    Contactless, inductive, digital connection head with Memosens technology

  • Ingres protection

    IP68

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