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CLS21D is a digital conductivity probe with high chemical, thermal and mechanical stability.

Digital conductivity sensor
Condumax CLS21D

Memosens conductive conductivity sensor for medium to high measuring ranges

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  • Measuring principle


  • Application

    Water, waste water, process, media separation, industrial water

  • Characteristic

    2-electrode system for application in the middle application range

  • Measurement range

    k=1: 10 µS/cm to 20 mS/cm

  • Measuring principle

    Conductive conductivity cell with graphite electrodes for applications in the middle range

  • Design

    2-electrode system with parallel arranged electrodes

  • Material

    Sensor shaft: PES
    Electrodes: graphite

  • Dimension

    Diameter: 24 mm (0.94 inch)
    Length: 61 mm (2.40 inch)

  • Process temperature

    -20 to 135 °C at 3.5 bar abs
    (-4 to 275 °F at 50 psi)

  • Process pressure

    17 bar abs at 20 °C
    (246 psi at 68 °F)

  • Temperature sensor

    NTC 30K

  • Ex certification


  • Connection

    Process connection: DN25, DN40, G1, NPT 1"
    Cable: Memosens connector CYK10

  • Ingres protection

    IP68 (connector)