Endress+Hauser CLS50-A1A1: The Reliable Choice for Compact Liquid Analysis

The Endress+Hauser CLS50-A1A1 is a robust and versatile compact liquid analyzer designed for continuous measurement of key water quality parameters. This all-in-one sensor is engineered for simplicity, reliability, and low maintenance in demanding industrial and municipal applications. It provides a cost-effective solution for monitoring conductivity, temperature, and, with its integrated evaluation capability, pH or ORP (Redox potential). This article explores the CLS50-A1A1’s specifications, key advantages, and primary use cases.

Technical Parameters & Features

The CLS50-A1A1 integrates sensor and transmitter in a single, rugged housing (protection class IP65/NEMA 4X). Its core measurement capabilities include:

Conductivity: Measures across a wide range, ideal for processes like water purification, cooling towers, and leak detection.

Temperature: Integrated Pt1000 sensor for precise temperature compensation.

pH or ORP: The A1A1 variant features a built-in electrode for direct pH (0-14) or ORP measurement, eliminating the need for a separate sensor.

Output & Communication: Features a 4…20 mA analog output for the primary measured variable and configurable switch outputs for alarms or control functions.

Sensor Diagnostics: Integrated self-monitoring functions alert users to potential issues, such as coating or sensor aging, ensuring data integrity.

Key Advantages & Benefits

The CLS50-A1A1 stands out due to several operational and economic benefits:

Reduced Complexity: The compact, all-in-one design simplifies installation, reduces wiring costs, and minimizes footprint.

Low Maintenance: The robust sensor design and advanced diagnostics lead to fewer calibrations, less cleaning, and lower lifecycle costs.

High Reliability: Built for harsh environments, it ensures stable and accurate measurements in wastewater, chemical, and industrial water applications.

Easy Integration: The straightforward setup and universal analog output allow for easy integration into existing PLCs or control systems.

Endress+Hauser Quality: Backed by the global expertise and support of a leader in process instrumentation.

Primary Applications

The CLS50-A1A1 is ideally suited for applications requiring reliable multi-parameter monitoring:

Industrial Water & Coolant Monitoring: Control of blowdown in cooling towers and boiler feedwater.

Wastewater Treatment: Effluent monitoring, neutralization process control, and leak detection.

Chemical Process Industries: Batch processes and neutralization reactions.

Municipal Water: Monitoring of drinking water or groundwater sources.

Keywords

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In summary, the Endress+Hauser CLS50-A1A1 is an efficient and dependable solution for engineers and plant operators seeking to consolidate their liquid analysis points. Its combination of multiple measurements in one device, rugged construction, and smart diagnostics makes it a strategic asset for optimizing process control, ensuring compliance, and reducing total cost of ownership in diverse water and process liquid applications.