Analog conductivity sensor
Condumax CLS15

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.

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.

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F L E X Fundamental selection Meet your basic measurement needs	Technical excellence	Simplicity
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Specs at a glance
Measurement range

k=0,01: 0-20 µS/cm
k=0,1: 0-200 µS/cm

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)

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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...

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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 cell constant

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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

...

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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

pH measurement with differential conductivity

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

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Features and specifications

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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.

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Documents / Manuals / Software

Download type

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Technical Information Condumax CLS15/CLS15D
Conductivity conductively measured

Technical Information (TI)
Condumax CLS15/16/21
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)
Conductivity measurement in industrial processes
Selection and engineering guide for different industries and
applications

Competence Brochure (CP)

12/19

English
Leitfähigkeitsmessung in Industrieprozessen
Auswahl- und Engineeringhilfe für verschiedene Industrien und
Anwendungen

Competence Brochure (CP)

12/19

German
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 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 W
Product Code: CLS15-
Declaration Number: EC_00655_01.18

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-
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
TopHit, Sensor, OrbiSint, OrbiPore, OrbiPac, Memocheck, InduMax P, InduMax H, ConduMax W, ConduMax H, CeraLiquid, CeraGel
Product Code: CYP03D-, CTS1-, CPS92-, CPS91-, CPS72-, CPS71-, CPS491-, CPS471-, CPS441-, CPS42-, CPS41-, CPS13-, CPS12-, CPS11-, CPF82-, CPF81-, CLS54-, CLS50-, CLS21-, CLS16-, CLS15-, CLS13-, CLS12-
Region/Country: Canada
Approval Agency: CSA

Explosion Protection

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

Pressure Equipment

English
SmarTec, Memosens, InduMax P, OxyMax W, OxyMax H, OrbiPac, Liquiline M, InduMax H, ConduMax W, ConduMax H
Product Code: CPS96D-, CM42-, CLS50D-, COS22D-, CLS82D-, CLS54D-, COS51D-, CLS54-, CLS52-, CPS76D-, CPS16D-, CPF82D-, CPF82-, CPF81D-, CPF81-, CLS50-, CLS30-, CLS16D-, CLS21D-, CLS21-, CLS15D-, CLS15-, CLS13-, CLS12-, CLD18-
Region/Country: Russia
Approval Agency: Rosstandart
Approval Number: OC.C.31.004.A NO 55929/1

Metrology

Russian
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

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Accessories / Spare parts

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Order code

Specification

- Order code 51500076
  
  cable connector 4 pole PG9
  
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- Order code 50066536
  
  PVC-Threaded coupling G 1/2"
  
  for cementing in cross / T-pieces DN 20
  
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- Order code 50004381
  
  PVDF Adapter G 1/2" - G 1"
  
  for mounting of sensors with thread NPT 1/2".
  
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- Order code 50004738
  
  AM 32 equalizing sleeve DN32, PVC
  
  for conductivity cell installation into T-90-piece or cross piece DN 32
  
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- Order code 50004739
  
  AM 40 equalizing sleeve DN40, PVC
  
  For conductivity cell installation into T-90-piece or cross piece DN40
  
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- Order code 50004740
  
  AM 50 equalizing sleeve DN50, PVC
  
  For conductivity cell installation into T-90-piece or cross piece DN50
  
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