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Indumax CLS54 is an inductive conductivity probe for the highest hygienic and sterile demands.

Analog conductivity sensor
Indumax CLS54

Toroidal conductivity sensor for hygienic and sterile applications

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  • Measuring principle


  • Application

    Food, beverage and pharmaceutical industries and in biotechnology.

  • Characteristic

    Specifically intended for use in hygienic applications and especially suitable for following applications:
    Phase separation, control of CIP, concentration control, product monitoring, leakage monitoring.

  • Measurement range

    100 µS/cm - 2000 mS/cm Cell constant k: 6,3 1/cm

  • Measuring principle

    Inductive conductivity measurement

  • Design

    Hygienic design with food-grade virgin PEEK body in jointless and creviceless design including all hygienic certifications.

  • Material

    In contact with medium: Virgin PEEK
    Surface roughness: Ra<0.9µm

  • Process temperature

    Process temperature: -10°C - +125°C
    (14°F - 257°F)
    Sterilisation: 150°C/5 bar (max. 60 min.)
    (302°F / 72.5 psi)

  • Process pressure

    12 bar(174 psi)/20°C(68°F)
    8 bar(116 psi)/125°C(257°F)

  • Temperature sensor

    Pt1000 (class A)with a temperature response time T90 < 27s.

  • Ex certification

    ATEX II G EEx ia IIc T3/T4/T6
    FM/CSA IS NI CL.I,II,III,Div.1&2 group A-G in connection with the transmitter CM42.

  • Connection

    Dairy pipe, Aseptic-fitting, Clamp ISO 2852, SMS-2", Varivent N DN 40-125, Neumo Biocontrol D50.

  • Ingres protection


  • Additional certifications

    FDA, EHEDG, 3-A, Biological reactivity (USP class VI part 87 and 88)