CLS50D is a conductivity sensor designed for harsh and aggressive media in the chemical industry.

Digital conductivity sensor
Indumax CLS50D

Memosens toroidal conductivity sensor for chemical applications

CLS50D -

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Specs at a glance

Measuring range

2µS/cm to 2000 mS/cm
Process temperature

PEEK: max. 125°C (max. 260 °F)
PFA: max. 110°C (max. 230 °F)
Process pressure

PEEK: max. 21 bar (max. 304.5 psi)
PFA: max. 17 bar (max. 246.5 psi)

See all specifications

Field of application

Indumax CLS50D is a digital inductive conductivity sensor for standard, hazardous and high-temperature applications. Benefit from high chemical resistance and long durability thanks to robust materials (PFA, PEEK). Moreover, it is insensitive to soiling and performs reliable and repeatable even in harsh and aggressive media. Thanks to Memosens, CLS50D combines maximum process and data integrity with simple operation. It resists corrosion and moisture and facilitates predictive maintenance.

Indumax CLS50D measures toroidal conductivity in:

Chemicals:
- Concentration measurement of acids and bases
- Quality monitoring of chemical products in tanks and pipes
Food & Beverages:
- Phase separation of product/product mixtures in pipe systems
Life Sciences:
- Phase separation of product/product mixtures in pipe systems
Wastewater industry:
- Inlet monitoring

With its international explosion protection approvals, such as ATEX, FM, CSA, NEPSI, it is suitable for hazardous areas.

Benefits

High durability and chemical resistance even under harsh conditions
Dirt-repellent materials and large sensor opening avoid soiling
Wide temperature range and highly resistant materials make the sensor suitable for virtual any application
Reliable values thanks to active connection monitoring
Easy wiring over long distances without impact on the measurement accuracy
Logging of sensor-specific data for easy traceability
Approved for hazardous area use

Videos

00:00

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.

Extended selection

High-end products
Highly functional and convenient

Technical excellence

Simplicity

What is FLEX?

Simple products
Easy to select, install and operate

Technical excellence

Simplicity

What is FLEX?

Standard products
Reliable, robust and low-maintenance

Technical excellence

Simplicity

What is FLEX?

High-end products
Highly functional and convenient

Technical excellence

Simplicity

What is FLEX?

Specialized products
Designed for demanding applications

Technical excellence

Simplicity

Variable

What is FLEX?

FLEX selections	Technical excellence	Simplicity
F L E X Fundamental selection Meet your basic measurement needs	Technical excellence	Simplicity
F L E X Lean selection Handle your core processes easily	Technical excellence	Simplicity
F L E X Extended selection Optimize your processes with innovative technologies	Technical excellence	Simplicity
F L E X Xpert selection Master your most challenging applications	Technical excellence	Simplicity Variable

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Success stories

50% less precipitant - 100% reliability and cooperation

IDEA achieved tremendous cost savings through continous monitoring with the CA80PH Analyzer at their site in Wallonia
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AVR Waste in Botlek, Rotterdam, processes up to 1.7 million tons of residual waste per year. Discover how they optimized their pH measurement thanks to Endress+Hauser
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Automated pH measuring point in wastewater

The Dow plant in Stade relies on Endress+Hauser solutions for pH monitoring in the treatment of production wastewater.
Read the full story
Pure high quality beer and clean wastewater

Discover how Heineken meets all regulations to protect the brazilian environment with the Viomax CAS51D digital nitrate or SAC sensor from Endress+Hauser.
Read the full story
Safe phosphate elimination with minimal effort

Thanks to Endress+Hauser the Wastewater treatment plant in Breuberg meets legal requirements and ensures safe phosphate elimination.
Read the full story

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15 spare parts & accessories

15 spare parts

15 accessories

Kit CLS50 >20081001: CHEMRAZ O-rings

further parts

Drawing number

Order code

250

71086368
Kit CLS50 >20081001: VITON O-rings

further parts

Drawing number

Order code

260

71086369
Kit CLS50 DN50 >20081001: PTFE disk

further parts

Drawing number

Order code

270

71086372
Kit CLS50 ANSI+JIS >20081001: PTFE disk

further parts

Order code

71086374
Kit CLS50 flange DN50

further parts

Drawing number

Order code

280

51500525
Kit CLS50 flange ANSI2"

further parts

Drawing number

Order code

285

51500527
Kit CLS50 JIS flange VA

further parts

Drawing number

Order code

286

51500934
Kit CLS50 JIS flange PVDF

further parts

Drawing number

Order code

293

51500935
Kit CLS50 DN50 flange PVDF

further parts

Drawing number

Order code

291

51500936
Kit CLS50 ANSI2 inch flange PVDF

further parts

Drawing number

Order code

292

51500937
Calibration solution CLY11-A, 74,0 uS/cm

Order code

50081902
Calibration solution CLY11-B,149,6 uS/cm

Order code

50081903
Calibration solution CLY11-C,1,406mS/cm

Order code

50081904
Calibration solution CLY11-D,12,64 mS/cm

Order code

50081905
Calibration solution CLY11-E,107,00mS/cm

Order code

50081906

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Digital conductivity sensorIndumax CLS50D

Memosens toroidal conductivity sensor for chemical applications

Specs at a glance

Measuring range

Process temperature

Process pressure

Field of application

Benefits

Videos

Extended selection

Success stories

50% less precipitant - 100% reliability and cooperation

An automated system for pH measurements at AVR

Automated pH measuring point in wastewater

Pure high quality beer and clean wastewater

Safe phosphate elimination with minimal effort

Could also interest you

Liquiline: cutting-edge transmitter platform

Memosens 2.0: Cutting-edge sensor technology reloaded

Measuring principle

Application

Characteristic

Measuring range

Measuring principle

Design

Material

Dimension

Process temperature

Process pressure

Temperature sensor

Ex certification

Connection

Ingress protection

Additional certifications

Back

TI Indumax CLS50D/CLS50

BA Indumax CLS50D/CLS50

TI Indumax CLS50D/CLS50

BA Indumax CLS50D/CLS50

XA Indumax CLS50D

Indumax CLS50D, CLS50

XA Indumax CLS50D, CLS50

CLS50D, CLS50, CLS54, CLS15D, CLS16D, CLS21D, CLS82D

XA Indumax CLS50D

XA Indumax CLS50D, CLS50

CLS15D, CLS16D, CLS21D, CLS50D, CLS50, CLS54, CLS82D

Indumax CLS50D, CLS50, CLS54

Back

Kit CLS50 >20081001: CHEMRAZ O-rings

Kit CLS50 >20081001: VITON O-rings

Kit CLS50 DN50 >20081001: PTFE disk

Kit CLS50 ANSI+JIS >20081001: PTFE disk

Kit CLS50 flange DN50

Kit CLS50 flange ANSI2"

Kit CLS50 JIS flange VA

Kit CLS50 JIS flange PVDF

Kit CLS50 DN50 flange PVDF

Kit CLS50 ANSI2 inch flange PVDF

Calibration solution CLY11-A, 74,0 uS/cm

Calibration solution CLY11-B,149,6 uS/cm

Calibration solution CLY11-C,1,406mS/cm

Calibration solution CLY11-D,12,64 mS/cm

Calibration solution CLY11-E,107,00mS/cm

Input

Output / communication

Ingress protection

Input

Output / communication

Ingress protection

Input

Output / communication

Ingress protection

Input

Output / communication

Ingress protection

Input

Output / communication

Ingress protection

Input

Output / communication

Digital conductivity sensor
Indumax CLS50D