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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

CLS21D
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Digital conductivity sensor Condumax CLS21D
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©Endress+Hauser

Specs at a glance

  • Measurement range

    k=1: 10 µS/cm to 20 mS/cm

  • 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)

Field of application

Condumax CLS21D is a robust conductivity sensor for all process and environmental applications. It provides you with precise and reliable measuring values for an optimum process and product quality monitoring. Better still, the sensor features high chemical, thermal and mechanical stability and high durability. Condumax CLS21D is not the latest Memosens generation. To get information on the new Memosens CLS21E sensor with extended functionality, click here.

Condumax CLS21D measures conductivity in all process and environmental applications, such as:

  • Potable water treatment

  • Desalination plants

  • Industrial water treatment

  • River/lake monitoring

  • Phase separation in medium conductivities (e.g. milk/water)

With its international explosion protection approvals, such as ATEX, FM, CSA and NEPSI, the digital sensor is suitable for hazardous area use.

Benefits

  • Reliable and accurate measuring values at medium to high conductivities

  • Robust design for long durability and low maintenance

  • High chemical, thermal and mechanical stability

  • Quality certificate stating the individual cell constant

  • Logging of sensor-specific data for easy traceability and predictive maintenance

  • Maximum process safety via non-contact inductive signal transmission

Videos

  • 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.

  • Memosens converts the measured value to a digital signal and transfers it to the transmitter without a contacting connection. This video shows how Memosens optimizes process control and maintenance.

Extended selection

  • High-end products

  • Highly functional and convenient

Technical excellence

Simplicity

FLEX: Extended ©Endress+Hauser

  • Simple products

  • Easy to select, install and operate

Technical excellence

Simplicity

  • Standard products

  • Reliable, robust and low-maintenance

Technical excellence

Simplicity

  • High-end products

  • Highly functional and convenient

Technical excellence

Simplicity

  • Specialized products

  • Designed for demanding applications

Technical excellence

Simplicity

Variable

FLEX selections Technical excellence Simplicity
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Fundamental selection

Meet your basic measurement needs

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Lean selection

Handle your core processes easily

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Extended selection

Optimize your processes with innovative technologies

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Xpert selection

Master your most challenging applications

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Success stories

  • Detection of SARS Cov-2 virus in wastewater to make reliable predictions Detection of SARS Cov-2 virus in wastewater to make reliable predictions

    Monitoring biological parameters in wastewater

    Examination of wastewater, using the Liquistation CSF48 and the Liquiport CSP48 mobile, can provide valuable information about the occurrence of Covid 19 infections in a specific area

  • ICUMSA scheme ICUMSA scheme

    High-quality sugar and no bittersweet surprise

    To protect consumers, high quality standards apply in the food industry. Sugar quality must be measured by ICUMSA. This measurement is expensive and time consuming. With the OUSAF22 color sensor it is possible to measure the ICUMSA color value.

  • Wastewater treatment and TOC measurement Wastewater treatment and TOC measurement

    TOCeq measurement in wastewater treatment

    TOC measurements are often performed using analyzers that require expensive reagents. The CAS51D enables the plant operators to comply with WHO requirements and guarantees tight measurement intervals.

  • Gas tanks with pipes Gas tanks with pipes

    Liquid analysis in LNG trains

    The various process steps in a gas liquefaction plant must comply with different limit values. Our products are ideally suited for these processes.

  • Minera Valle Central in Chile performs online interface measurement and turbidity monitoring Minera Valle Central in Chile performs online interface measurement and turbidity monitoring

    Improved thickener operation at Minera Valle Central

    The measurement of interface in thickeners is done manually, while the turbidity measurement is done by obtaining samples sent to the laboratory. With Endress+Hauser there is an automated solution.

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