
Specs at a glance
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Measurement range
k=0,01: 0.04 to 20 µS/cm
k=0,1: 0.10 to 200 µS/cm -
Process temperature
Threaded with fixed cable:
-20 to 100 °C (-4 to 212 °F)
Threaded with plug-in head:
-20 to 120 °C (-4 to 248 °F)
Sterilization: max. 140 °C (284 °F) for 30 minutes -
Process pressure
13 bar at 20 °C (188 psi at 68 °F)
1 bar at 120 °C (14 psi at 248 °F)
Field of application
Condumax CLS15D is the digital solution for conductivity measurement in the 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 best value for money. Condumax CLS15D is not the latest Memosens generation. To get information on the new Memosens CLS15E sensor with extended functionality, click here.
Condumax CLS15D measures conductivity in pure and ultrapure water applications for the monitoring and control of:
Ion exchangers
Reverse osmosis
Cooling water
Distillation
Chip cleaning
The digital 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.
Benefits
Reliable and accurate measuring values at low conductivities
Easy to clean thanks to polished measuring surfaces
Sterilizable and autoclavable
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
Convenient maintenance strategy with Memobase Plus for easy data and sensor management
Videos
Extended selection
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High-end products
- Highly functional and convenient
Technical excellence
Simplicity

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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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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 |
Technical excellence
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Simplicity
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Lean selection Handle your core processes easily |
Technical excellence
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Simplicity
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Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
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Xpert selection Master your most challenging applications |
Technical excellence
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Simplicity
Variable |
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Technical Information (TI)
Technical Information Condumax CLS15/CLS15D
English version - 10/2014
Conductivity conductively measured
EN 31/10/201410/09/201201/04/201001/08/200701/10/2006Language:
English
Version:
31/10/2014
File size:
782.9 KB
File name:
TI00109CEN_1414.pdf
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Operating Instruction (BA)
Condumax CLS15D/16D/21D
English version - 06/2022
For contacting conductivity measurement in liquids
EN 01/06/202219/08/202027/01/202010/10/201731/07/2016Language:
English
Version:
01/06/2022
File size:
1.5 MB
File name:
BA01147CEN_0722-00.pdf
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Technical Information (TI)
Technical Information Condumax CLS15/CLS15D
Conductivity conductively measured
EN 31/10/201410/09/201201/04/201001/08/200701/10/2006Language:
English
Version:
31/10/2014
File size:
782.9 KB
File name:
TI00109CEN_1414.pdf
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Technical Information (TI)
Technical Information for Conductivity Sensor
Conductivity Sensor
EN 25/03/201118/03/201118/08/201018/05/201018/12/2008Language:
Japanese
Version:
25/03/2011
File size:
2.2 MB
File name:
Ti803cja_0311.pdf
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Operating Instruction (BA)
Condumax CLS15D/16D/21D
For contacting conductivity measurement in liquids
EN 01/06/202219/08/202027/01/202010/10/201731/07/2016Language:
English
Version:
01/06/2022
File size:
1.5 MB
File name:
BA01147CEN_0722-00.pdf
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Ex Safety Instruction (XA)
Safety instructions Condumax CLS15D, CLS16D, CLS21D
Safety instructions for electrical apparatus for explosion-hazardous zone 2
EN 02/09/200901/04/2009Language:
English
Version:
02/09/2009
File size:
1.4 MB
File name:
XA227CA3_0909.pdf
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Ex Safety Instruction (XA)
CLS50D, CLS50, CLS54, CLS15D, CLS16D, CLS21D, CLS82D
Supplement to: BA00182C, BA01591C, BA01147C, BA01326C Safety instructions for electrical apparatus in explosion-hazardous areas UK II 1G Ex ia IIC T3/T4/T6 Ga
EN 31/01/202220/10/2021Language:
English
Version:
31/01/2022
File size:
459.6 KB
File name:
XA02702CEN_0222-00.pdf
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Ex Safety Instruction (XA)
CLS15D, CLS16D, CLS21D, CLS50D, CLS50, CLS54, CLS82D
Safety instructions for electrical equipment in explosion-hazardous areas EAC Ex, 0Ex ia IIC T6/T4 Ga X Supplement to: BA01147C,BA00182C, BA01591C, BA01326C
EN 01/03/202231/03/2021Language:
English
Version:
01/03/2022
File size:
507 KB
File name:
XA02375CEN_0222-00.pdf
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Ex Safety Instruction (XA)
Safety instructions Condumax CLS15D, CLS16D, CLS21D
Safety instructions for electrical apparatus for explosion-hazardous areas
EN 02/09/200901/07/2008Language:
English
Version:
02/09/2009
File size:
1.3 MB
File name:
XA085CA3_0909.pdf
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Special Documentation (SD)
Memoclip
Äußere Kennzeichnung von digitalen Sensoren und Kabeln mit Memosens-Technologie
EN 01/03/2007Language:
English
Version:
01/03/2007
File size:
284.4 KB
File name:
SD124Ca2.pdf
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Special Documentation (SD)
Special documentation Liquiline CM14 conductivity kit 2
For conductivitymeasurement in pure water
EN 16/07/2012Language:
English
Version:
16/07/2012
File size:
339.8 KB
File name:
SD171_CM14_A5_71154966.pdf
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Fields of Activities (FA)
Esperti nell’analisi dei liquidi
Dai sensori singoli a soluzioni complete “chiavi in mano”
Language:
Italian
Version:
12/01/2017
File size:
3.9 MB
File name:
FA01018CIT_02.16.pdf
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Fields of Activities (FA)
Jistota v analýze kapalin
Od senzorů po kompletní dodávku na klíč
Language:
Czech
Version:
12/01/2017
File size:
740.3 KB
File name:
Analyza_FA01018Ccs_0216.pdf
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Fields of Activities (FA)
Catálogo Portfolio Analítica
Desde sensores hasta soluciones completas
Language:
Spanish
Version:
12/01/2017
File size:
1.5 MB
File name:
FA01018CES_Portfolio_Analitica_0216.pdf
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Competence Brochure (CP)
Lang lebe Ihr Kraftwerk!
Modulare SWAS-Panels für einen sicheren Wasser-/Dampfkreislauf
Language:
German
Version:
01/06/2015
File size:
2.2 MB
File name:
CP01111CDE_0217_SWAS-Panels.pdf
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Competence Brochure (CP)
Long live your power plant!
Modular SWAS panels for a safe water/steam cycle
Language:
English
Version:
01/06/2015
File size:
2.2 MB
File name:
CP01111CEN_0217_SWAS-Panels.pdf
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Competence Brochure (CP)
Conductivity measurement in industrial processes
Selection and engineering guide for different industries and applications
EN 27/04/2023Language:
English
Version:
27/04/2023
File size:
2.5 MB
File name:
CP01313CEN_0223_cond_selection_guide_web.pdf
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Case Study (CS)
Water/steam circuit
SWAS (Steam Water Analytical Solution) monitors the energy production at GETEC PARK.SWISS
EN 27/10/2022Language:
English
Version:
27/10/2022
File size:
714.8 KB
File name:
CS01709C_SWAS_GETEC PARK.SWISS.pdf
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AI (Application note)
Liquid analysis in LNG trains
Complete solution out of one hand
Language:
English
Version:
08/01/2021
File size:
523.8 KB
File name:
AI01150CEN_01.21_Liquid analysis in LNG trains.pdf
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AI (Application note)
Flüssigkeitsanalyse in einer Gasverflüssigungsanlage
Die Komplettlösung aus einer Hand
Language:
German
Version:
08/01/2021
File size:
622.5 KB
File name:
AI01150CDE_01.21_Flüssigkeitsanalyse in einer Gasverflüssigungsanlage.pdf
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Manufacturer Declaration
Product family: ConduMax W
Productroot: CLS15D- Declaration number: HE_01422_01.21 Manufacturer specification: RoHS Additional information: China-RoHS
Language:
Chinese
Version:
15/04/2021
File size:
336.4 KB
File name:
HE_01422_01.21_CLS15D_China-RoHS.pdf
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EU Declaration
Product family: CeraGel, CeraLiquid, Ceramax, ConduMax H, ConduMax W, InduMax H, InduMax P, Liquiline, Memosens, Messkabel, Orbi Pac, OrbiPore, OrbiSint, OxyMax H, OxyMax W, TopHit
Product root: CLS15D-, CLS16D-, CLS21D-, CLS50D-, CLS54D-, CLS82D-, CML18-, COS21D-, COS22D-, COS51D-, COS81D-, CPF82D-, CPL51E- , CPS11D-, CPS12D-, CPS16D-, CPS171D-, CPS31D-, CPS341D-, CPS41D-, CPS42D-, CPS441D-, CPS471D-, CPS47D-, CPS491D-, CPS71D-, CPS72D-, CPS77D-, CPS91D-, CPS92D-, CPS96D-, CPS97D-, CYK10-, CYK20- Declaration number: EC_00828_02.20
EN 14/02/2022Language:
English
Version:
14/02/2022
File size:
281.9 KB
File name:
EC_00828_03.22_D-Sensoren CML18 EMV_RoHS.pdf
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