E+H Endress+Hauser Analog conductivity sensor Indumax CLS54
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


  • Measuring principle

    Inductive

  • 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.

  • Measuring 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.

  • Ingress protection

    IP68/NEMA6P

  • Certificates, declarations and approvals

    Surface roughness test ISO4287/Ra (≤ 0,8 µm)
    Bio reactivity test USP Class VI
    US Food Contact Materials FDA CFR 21
    EU Food Contact Materials (EG) 1935/2004
    CN Food Contact Materials GB 4806
    EHEDG EL Class I, 3-A