Endress+Hauser CLS50D-AA1B21 Reliable Conductivity Sensor for Demanding Applications

The Endress+Hauser CLS50D-AA1B21 is a high-performance, toroidal conductivity sensor designed for precise and reliable measurement in demanding liquid analysis applications. Part of the renowned Liquiline series, this sensor utilizes the inductive (electrodeless) measurement principle, making it the ideal choice for harsh, abrasive, or highly conductive media where traditional contacting sensors would fail. Its robust construction ensures long-term stability, minimal maintenance, and accurate process control in industries ranging from chemical processing to power generation and water treatment.

Technical Parameters & Specifications

The CLS50D-AA1B21 is engineered with specific features that define its operational excellence:

Measurement Principle: Inductive (toroidal) conductivity.

Measurement Range: 0 – 2000 mS/cm, suitable for highly concentrated solutions.

Process Connection: Flush-mounted 1-inch NPT thread, ideal for pipeline integration.

Process Temperature: Up to 130°C (266°F), allowing operation in high-heat processes.

Process Pressure: Rated up to 40 bar (580 psi) at 20°C.

Material: The wetted parts are constructed from PFA (body) and PEEK (toroids), offering exceptional chemical resistance and preventing corrosion or fouling.

Certifications: The sensor complies with major international standards, ensuring safety and quality in regulated environments.

Key Advantages & Benefits

Choosing the CLS50D-AA1B21 provides significant operational benefits:

Fouling & Corrosion Resistance: The electrodeless design and chemically inert materials prevent coating buildup and corrosion, drastically reducing maintenance needs and sensor failure.

Robust & Durable: Built to withstand abrasive fluids, high pressures, and extreme temperatures, ensuring a long service life even in the toughest conditions.

Maintenance-Free Operation: Without electrodes to clean or replace, the sensor offers unparalleled reliability and lowers the total cost of ownership.

High Accuracy: Delivers stable and repeatable measurements for critical process control and quality assurance.

Easy Integration: Compatible with Endress+Hauser Liquiline transmitters for a seamless, digital measurement loop.

Primary Applications

This versatile sensor is critical in numerous industrial sectors:

Chemical & Pharmaceutical: Monitoring acid and caustic concentrations, reactor control, and CIP (Cleaning-in-Place) processes.

Power Generation: Measuring conductivity in boiler feedwater, blowdown, and condensate systems.

Water & Wastewater: Controlling salinity, desalination processes, and monitoring industrial effluent.

Food & Beverage: Hygienic process control and concentration measurement.

Mining & Metals: Leaching processes and slurry monitoring.

Keywords

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