Analog conductivity sensor
Condumax CLS15

Analog conductivity sensor Condumax CLS15 ©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 Condumax CLS15

Conductive conductivity sensor for standard applications in pure and ultrapure water

Condumax CLS15 is the ideal choice for conductivity measurement in low measuring ranges. It performs reliably and accurately in a wide range of applications - even in hazardous areas. Designed for low maintenance and a long operating life, the sensor offers real value for money.

  • Pricing after login and configuration

Quick selection

Choose from our suggested options
    -- selected coding
    -- selected label
    <%label%>
    -- selected coding
    -- selected label
    <%feature%>
  • Process Connection
      <%label%>
      <%label%>

  • <%message%>

CLS15
Show details Hide details
Show details
Back to Quick Selection
  • <%feature%>
    <%coding%>
    <%label%>
pc
  • Optional add-ons
Please use the individual configurator to continue.
or

Individual configuration

Continue your selection from all possible options

Additional components

  • Benefits

    • Reliable and accurate measuring values at low conductivities

    • Easy to clean thanks to polished measuring surfaces

    • Sterilizable

    • Robust design for high durability

    • Different cell constants provide a wide measuring range

    • Quality certificate stating the individual...

  • Field of application

    Condumax CLS15 measures conductivity in pure and ultrapure water applications for the monitoring and control of:

    • Ion exchangers

    • Reverse osmosis

    • Cooling water

    • Distillation

    • Chip cleaning

    The sensor can be used in power plants for:

    • Degassed conductivity

    • ...

Features and specifications

Back

Details

  • Measuring principle

    Conductive

  • Application

    Water, power plant, process

  • Characteristic

    2-electrode conductivity cell for pure and ultrapure water

  • Measurement range

    k=0,01: 0-20 µS/cm
    k=0,1: 0-200 µS/cm

  • Measuring principle

    Conductive conductivity cell with polished stainless steel electrodes

  • Design

    2-electrode conductivity sensor with coaxially arranged electrodes, electropolished

  • Material

    Electrode: 1.4435
    Electrode shaft: PES

  • Dimension

    Electrode diameter: 16 mm
    (0.62 inch)
    Electrode length: appr. 55 mm
    (2.14 inch)

  • Process temperature

    max. 130°C (150°C / 30 min.)
    (max. 266°F (302°F/30 min.)

  • Process pressure

    max. 12 bar at 20°C
    (174 psi at 68°F)

  • Temperature sensor

    Pt100

  • Ex certification

    ATEX

  • Connection

    Process connection: 1/2" NPT, 3/4" NPT, 1 1/2" Clamp
    cable : 4-pole SXP connector or fixed cable

  • Ingres protection

    IP67

  • Additional certifications

    Calibration certification of the cell constante.

Documents / Manuals / Software

  • Technical Information Condumax CLS15/CLS15D

    Conductivity conductively measured

    Technical Information (TI)
  • Condumax CLS15/16/21 Operating Instructions

    Analog sensors, for conductive measurement of conductivity in liquids

    Operating Instruction (BA)
  • Ex Safety Instructions CLS XXG

    Sensors for conductive Conductivity Measurement

    Ex Safety Instructions (XA)
  • Ex Safety Instructions CLS XX

    Sicherheitshinweise für explosionsgefährdete Bereiche.
    Safety instructions for hazardous areas.
    Conseils de sécurité pour zones explosibles.

    Ex Safety Instructions (XA)
  • Manufacturer Declaration

    TSE/BSE free

    Certificate (ZE)
  • Leitfähigkeitsmessung in Industrieprozessen

    Auswahl- und Engineeringhilfe für verschiedene Industrien und
    Anwendungen

    Competence Brochure (CP)
    12/19
    German
  • Conductivity measurement in industrial processes

    Selection and engineering guide for different industries and
    applications

    Competence Brochure (CP)
    12/19
    English
  • Condumax W CLS15

    Leitfähigkeitsmesszelle
    konduktiv mit Pt 100 Temperaturfühler

    Tender Text
    12/16
    German
  • Condumax W CLS 15

    Conductivity measuring cell
    conductivity with Pt 100 temperature sensor comprising:

    Tender Text
    03/09
    English
  • Condumax W CLS15D

    Leitfähigkeitsmesszelle konduktiver Leitfähigkeitssensor mit NTC 30k
    Temperaturfühler
    zur Messung im Rein– und Reinstwasserbereich:

    Tender Text
    01/17
    German
  • Measurement of electrical conductivity (.mp4 format, 116 MB)

    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.

    Animation
    01/14
    Polish
  • Measurement of electrical conductivity (.mp4 format, 70,7MB)

    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.

    Animation
    01/14
    fr
  • ConduMax W

    Product Code: CLS15-
    Declaration Number: EC_00655_01.18

    EU Declaration
    German , English , fr
  • ConduMax H, ConduMax W

    Product Code: CLS12-, CLS13-, CLS15-, CLS16-, CLS21-
    Declaration Number: EC_00317_02.16

    EU Declaration
    German , English , fr
  • ConduMax H, ConduMax W

    Product Code: CLS12-, CLS13-, CLS15-, CLS16-, CLS21-
    Declaration Number: EC_00317_01.16

    EU Declaration
    German , English , fr
  • ConduMax H, ConduMax W, InduMax H, InduMax P, Liquisys Conductivity, Memosens, SmarTec, SmarTec S

    Product Code: CLS82D-, CLS54D-, CLS54-, CLS50D-, CLS50-, CLS30-, CLS21D-, CLS21-, CLS19-, CLS16D-, CLS16-, CLS15D-, CLS15-, CLS13-, CLS12-, CLM253-, CLM223F-, CLM223-, CLD18-, CLD134-, CLD132-
    Approval Number: EAEC RU D-DE.AD.07.B.01362/19

    Miscellaneous
    Russian
  • SmarTec S, SmarTec, Sensor, Memosens, Liquisys Conductivity, Liquiline, InduMax P, InduMax H, ConduMax W, ConduMax H, Chloromax, ANALOG

    Product Code: CLM253-, CLS12-, CLS13-, CLS15-, CLS15D-, CLS16-, CLS16D-, CLS19-, CLS21-, CLS21D-, CLS30-, CLS50-, CLS50D-, CLS54-, CLS54D-, CLS82D-, CYM290-, CLM223F-, CLM223-, CLD18-, CLD134-, CLD132-, CCS55D-, CCS51D-, CCS51-, CCS50D-, CCS50-, CCS241-, CCS240-, CCS142D-, CCS141-, CCS140-, CCS120D-, CCS120-
    Region/Country: Russia (Declaration of Conformity)
    Approval Number: EAEC RU D-DE.AD07.B.01363/19

    Miscellaneous
    Russian
  • ConduMax H, ConduMax W

    Product Code: CLS12-, CLS13-, CLS15-, CLS16-, CLS21-, OLS21-
    Region/Country: China
    Approval Agency: NEPSI

    Explosion Protection
    Chinese
  • InduMax P, Liquiline M, Memocheck, Memosens, OrbiSint, OxyMax H

    Product Code: CPS72-, CPS71D-, CPS71-, CPS491D-, CPS491-, CPS471D-, CPS471-, CPS441D-, CPS441-, CPS42D-, CPS42-, CPS41D-, CPS72D-, CPS76D-, CPS91-, CPS91D-, CPS92-, CPS92D-, CPS96D-, CTS1-, CYK10-, CYP01D-, CYP02D-, CYP03D-, CLS12-, CLS13-, CLS15-, CLS15D-, CLS16-, CLS16D-, CLS21-, CLS21D-, CLS50-, CLS50D-, CLS54-, CM42-, COS21D-, COS22D-, COS51D-, CPF81-, CPF82-, CPS11-, CPS11D-, CPS12-, CPS12D-, CPS13-, CPS16D-, CPS41-
    Region/Country: Canada, USA
    Approval Agency: CSA

    Explosion Protection
    English
  • InduMax P, Liquiline M, Memocheck, Memosens, OrbiSint, OxyMax H

    Product Code: CPS491-, CPS471D-, CPS471-, CPS441D-, CPS441-, CPS42D-, CPS42-, CPS41D-, CPS41-, CPS72-, CPS72D-, CPS76D-, CPS71D-, CPS71-, CPS491D-, CPS91-, CPS91D-, CPS92-, CPS92D-, CPS96D-, CTS1-, CYK10-, CYP01D-, CYP02D-, CYP03D-, CLS12-, CLS13-, CLS15-, CLS15D-, CLS16-, CLS16D-, CLS21-, CLS21D-, CLS50-, CLS50D-, CLS54-, CLS82D-, CM42-, COS21D-, COS22D-, COS51D-, CPF81-, CPF82-, CPS11-, CPS11D-, CPS12-, CPS12D-, CPS13-, CPS16D-, CPS171D-
    Region/Country: Canada, USA
    Approval Agency: CSA

    Explosion Protection
    English
  • ConduMax H, ConduMax W

    Product Code: CLS12-, CLS13-, CLS15-, CLS16-, CLS21-
    Region/Country: Brazil
    Approval Agency: TÜV
    Protection: Ex ia IIC T3 Ga, Ex ia IIC T4 Ga, Ex ia IIC T6 Ga

    Explosion Protection
    Portuguese
  • InduMax P, Liquiline M, Memosens

    Product Code: CPS41-, CPS41D-, CPS42-, CPS42D-, CPS441-, CPS441D-, CPS471-, CPS471D-, CPS491-, CPS491D-, CPS64-, CPS71-, CPS71D-, CPS72-, CPS72D-, CPS76D-, CPS91-, CPS91D-, CPS92-, CPS92D-, CPS96D-, CTS1-, CYK10-, CYP01D-, CYP02D-, OPS171D-, CLS12-, CLS13-, CLS15-, CLS15D-, CLS16-, CLS16D-, CLS21-, CLS21D-, CLS50-, CLS50D-, CLS82D-, CM42-, COS21D-, CPS171D-, CPS16D-, CPS13-, CPS12D-, CPS12-, CPS11D-, CPS11-, CPF82D-, CPF82-, CPF81D-, CPF81-, COS51D-, COS22D-
    Region/Country: USA
    Approval Agency: FM

    Explosion Protection
    English
  • InduMax P, Liquiline M, Memocheck, Memosens, OrbiPac, OrbiSint, OxyMax H

    Product Code: CPS71D-, CPS71-, CPS491D-, CPS491-, CPS471D-, CPS471-, CPS441D-, CPS441-, CPS42D-, CPS42-, CPS41D-, CPS41-, CPS171D-, CPS72-, CPS72D-, CPS76D-, CPS91-, CPS91D-, CPS92-, CPS92D-, CPS96D-, CTS1-, CYK10-, CYP01D-, CYP02D-, CYP03D-, CLS12-, CLS13-, CLS15-, CLS15D-, CLS16-, CLS16D-, CLS21-, CLS21D-, CLS50-, CLS50D-, CLS54-, CLS82D-, CM42-, CPS16D-, CPS13-, CPS12D-, CPS12-, CPS11D-, CPS11-, CPF82D-, CPF82-, CPF81D-, CPF81-, COS51D-, COS22D-, COS21D-, COS81D-
    Region/Country: Canada, USA
    Approval Agency: CSA

    Explosion Protection
    English
  • ConduMax W

    Product Code: CLS15-, CLS15D-
    Region/Country: Canada (CRN)
    Approval Agency: CRN

    Pressure Equipment
    English
  • ConduMax H, ConduMax W, InduMax H, InduMax P, Liquisys Conductivity, SmarTec S

    Product Code: CLS54-, CLS52-, CLS50-, CLS30-, CLS21-, CLS19-, CLS16-, CLS15-, CLS13-, CLS12-, CLM253-, CLM223-, CLD134-, CLD132-
    Region/Country: Russia
    Approval Agency: Rosstandart
    Approval Number: DE.C.31.004.A_66843

    Metrology
    Russian
  • SmarTec, OxyMax W, OxyMax H, OrbiPac, Memosens, Liquiline M, InduMax P, InduMax H, ConduMax W, ConduMax H

    Product Code: CPS96D-, CPS76D-, CPS16D-, CPF82D-, CPF82-, CPF81D-, CPF81-, COS51D-, COS22D-, CM42-, CLS82D-, CLS54D-, CLS54-, CLS52-, CLS50D-, CLS50-, CLS30-, CLS21D-, CLS21-, CLS16D-, CLS15D-, CLS15-, CLS13-, CLS12-, CLD18-
    Region/Country: Russia
    Approval Agency: Rosstandart
    Approval Number: OC.C.31.004.A NO 55929

    Metrology
    Russian

Accessories / Spare parts

Nr
Order code
Specification
    • Order code 51500076

      cable connector 4 pole PG9

    • Order code 50066536

      PVC-Threaded coupling G 1/2"

      for cementing in cross / T-pieces DN 20

    • Order code 50004381

      PVDF Adapter G 1/2" - G 1"

      for mounting of sensors with thread NPT 1/2".

    • Order code 50004738

      AM 32 equalizing sleeve DN32, PVC

      for conductivity cell installation into T-90-piece or cross piece DN 32

    • Order code 50004739

      AM 40 equalizing sleeve DN40, PVC

      For conductivity cell installation into T-90-piece or cross piece DN40

    • Order code 50004740

      AM 50 equalizing sleeve DN50, PVC

      For conductivity cell installation into T-90-piece or cross piece DN50

Success stories

Compare products