Endress+Hauser CPS11-2BA2ESA: Precision Conductivity Measurement for Demanding Applications

The Endress+Hauser CPS11-2BA2ESA is a compact, 2-electrode conductivity sensor engineered for precise measurement in low-conductivity (ultrapure to slightly conductive) media. As part of E+H's robust CPS11 family, this sensor is designed for reliable, long-term monitoring in a wide array of industrial processes. Its primary function is to determine the specific conductivity of liquids, a critical parameter for process control, quality assurance, and equipment protection. The sensor is constructed with high-grade materials, ensuring excellent chemical resistance and durability even in challenging environments.

Key Parameters & Technical Specifications

Cell Constant (k): 0.01 cm⁻¹ – Optimized for low conductivity applications (e.g., ultrapure water, condensate).

Measuring Range: Suitable for a range of approximately 0.001 to 200 µS/cm (dependent on the connected transmitter).

Electrode Material: Stainless steel 1.4435 (316L), providing good corrosion resistance.

Process Connection: ESA thread (Easy Sensor Adjustment), allowing for simple installation and retraction under pressure.

Pressure Rating: PN40, enabling use in pressurized systems.

Temperature Range: Up to 130°C, suitable for heated processes.

Output: Compatible with standard Endress+Hauser conductivity transmitters (e.g., Memosens models for digital, noise-resistant signal transmission).

Core Advantages

The CPS11-2BA2ESA offers distinct benefits that enhance process efficiency and reliability:

High Accuracy in Low Conductivity: The k=0.01 cell constant is ideal for demanding measurements in ultrapure water (UPW) and condensate monitoring, ensuring precise data for quality control.

Robust & Low-Maintenance: Its sturdy stainless-steel construction and fouling-resistant electrode design minimize maintenance needs and ensure a long service life.

Easy Installation & Calibration: The ESA process connection allows for safe, tool-free installation and removal, reducing downtime. Memosens technology enables pre-calibration in the lab.

Process Safety: The PN40 pressure rating and robust design ensure safe operation in demanding industrial conditions.

Future-Proof Compatibility: Utilizes the Memosens digital protocol for optimal data integrity, diagnostics, and compatibility with modern process automation systems.

Primary Applications

This sensor is essential in industries where monitoring low conductivity is crucial:

Power Generation: Monitoring condensate conductivity and purity in steam cycles.

Pharmaceutical & Biotechnology: Measuring water for injection (WFI) and purified water (PW) systems.

Microelectronics: Controlling ultrapure water (UPW) production for semiconductor manufacturing.

Food & Beverage: Monitoring deionized water and cleaning-in-place (CIP) rinse water quality.

General Industry: Boer feedwater control and closed-loop cooling water monitoring.

Keywords

Endress+Hauser CPS11-2BA2ESA, conductivity sensor, cell constant 0.01, low conductivity measurement, ultrapure water sensor, CPS11 series, 2-electrode sensor, Memosens technology, condensate monitoring, ESA connection, process conductivity, water quality analyzer, industrial sensor, pharmaceutical water WFI, power plant condensate, chemical resistance sensor.

In summary, the Endress+Hauser CPS11-2BA2ESA is a highly specialized and reliable solution for accurate low-conductivity measurement. Its robust design, application-specific optimization, and ease of integration make it a trusted choice for ensuring process integrity and product quality across critical industries.