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Analog conductivity sensor
Indumax CLS50

Analog conductivity sensor Indumax CLS50 ©Endress+Hauser
Analog conductivity sensor Indumax CLS50 ©Endress+Hauser

The conductivity of a liquid can be measured using the conductive or toroidal measuring principles. This video shows what it is about and how these measuring principles work.

  • Analog conductivity sensor Indumax CLS50
  • Analog conductivity sensor Indumax CLS50

Toroidal conductivity sensor for chemical applications

Indumax CLS50 is an inductive conductivity sensor for standard, hazardous and high-temperature applications. Benefit from high chemical resistance and long durability thanks to robust materials (PFA, PEEK). Moreover, it is insensitive to soiling and performs reliable and repeatable even in harsh and aggressive media. The wide temperature range of -20 to +180 °C leaves nothing to be desired.

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  • Specs at a glance

    • Measurement range

      2µS/cm - 2000 mS/cm

    • Process temperature

      max. 180°C (PEEK)
      (356°F)max. 125°C (PFA)
      (254°F)

    • Process pressure

      max. 20 bar (PEEK)
      (290 psi) max. 16 bar (PFA)
      (233 psi)

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  • Benefits

    • High durability and chemical resistance even under harsh conditions

    • Dirt-repellent materials and large sensor opening avoid soiling

    • Wide temperature range and highly resistant materials make the sensor suitable for virtual any application

    • Robust design...

  • Field of application

    Indumax CLS50 measures toroidal conductivity in:

    • Chemicals:
      - Concentration measurement of acids and bases
      - Quality monitoring of chemical products in tanks and pipes

    • Food & beverages:
      - Phase separation of product/product mixtures in...

Features and specifications

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Details

  • Measuring principle

    Inductive

  • Application

    Waste water, process

  • Characteristic

    Inductive conductivity cell made of highly resistant material for conductivity and concentration neasurements in process applications.

  • Measurement range

    2µS/cm - 2000 mS/cm

  • Measuring principle

    Inductive conductivity measurement

  • Design

    - No direct contact with the media because of the sensor coating made of highly resistant material.

  • Material

    PEEK or PFA

  • Dimension

    Electrode: outside diameter: appr. 47 mm inside diameter: appr. 15 mm

  • Process temperature

    max. 180°C (PEEK)
    (356°F)max. 125°C (PFA)
    (254°F)

  • Process pressure

    max. 20 bar (PEEK)
    (290 psi) max. 16 bar (PFA)
    (233 psi)

  • Temperature sensor

    Integrated Pt100

  • Ex certification

    ATEX

  • Connection

    Process connection: NPT1", DN50, AINSI, JIScable: fixed cable connection.

  • Ingres protection

    IP67

  • Additional certifications

    Calibration certification of the cell constant.

Documents / Manuals / Software

Accessories / Spare parts

Nr
Order code
Specification
  • 255
    • Nr 255 Order code 51500482

      Kit CLS50 PTFE gasket

      Contents: 2 pcs. PTFE gaskets, 1 pcs. 3/4" nut Max clamping torque of 20 Nm

    • Nr 255 Order code 71086368

      Kit CLS50 >20081001: CHEMRAZ O-rings

  • 250
  • 260
  • 270
  • 280
  • 285
  • 286
  • 293
  • 291
  • 292
    • Order code 51500753

      Accessories for cable CLS 50 / CLS 52

    • Order code 50081902

      Calibration solution CLY11-A, 74,0 uS/cm

      500 ml, reference temperature 25oC. Precision solution referred to SRM of NIST. With temp. table for qualified calibration of conductivity measuring systems acc. to ISO

    • Order code 50081903

      Calibration solution CLY11-B,149,6 uS/cm

      500 ml, reference temperature 25oC. Precision solution referred to SRM of NIST. With temp. table for qualified calibration of conductivity measuring systems acc. to ISO.

    • Order code 50081904

      Calibration solution CLY11-C,1,406mS/cm

      500 ml, reference temperature 25oC. Precision solution referred to SRM of NIST. With temp. table for qualified calibration of conductivity measuring systems acc. to ISO

    • Order code 50081905

      Calibration solution CLY11-D,12,64 mS/cm

      500 ml, reference temperature 25oC. Precision solution referred to SRM to NIST. With temp. table for qualified calibration of conductivity measuring systems acc. to ISO

    • Order code 50081906

      Calibration solution CLY11-E,107,00mS/cm

      500 ml, reference temperature 25oC. Precision solution referred to SRM of NIST. With temp. table for qualified calibration of conductivity measuring systems acc. to ISO

  • Predecessor

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    Semi-batch polymerization

    Monitoring and control of a semi-batch polymerization with Raman spectroscopy

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    The automated phosphate monitoring with Liquiline System CA80PH helps the food company Pasfrost ensure the compliance with the strict limit values for its industrial wastewater.

  • Pasfrost plant in Passendale, Belgium Pasfrost plant in Passendale, Belgium

    Conductivity measurement in a water reuse plant

    Pasfrost relies on Memosens CLS82D for the conductivity measurements in its water reuse plant. The sensor provides precise measurements even of very low conductivity values.

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