The Endress+Hauser CPS12E-AA7PAA2 is a high-performance, ceramic membrane pressure sensor engineered for reliable and precise measurement in challenging industrial environments. As part of Endress+Hauser’s trusted instrumentation portfolio, this device is designed for processes where chemical resistance, long-term stability, and accuracy are critical. Its robust ceramic technology makes it an ideal solution for aggressive media, ensuring consistent performance in applications such as chemical processing, water and wastewater management, and industrial automation.
Key Technical Parameters
Measuring Cell Technology: Ceramic (Al₂O₃) membrane with thick-film DMS (Differential Measurement System)
Pressure Ranges: Selectable within a comprehensive span to suit various application needs
Output Signal: 4…20 mA two-wire standard, with HART® protocol for advanced communication and diagnostics
Accuracy: High accuracy class, typically better than ±0.3% FS (full scale), including linearity, hysteresis, and repeatability
Long-Term Stability: Excellent long-term stability (< 0.1% FS per year) minimizing drift and recalibration needs
Process Connection: G ½ A (standard for the variant AA7PAA2), with other options available
Electrical Connection: M20 x 1.5 cable gland or plug connection
Process Temperature Range: -40 … +100 °C (-40 … +212 °F)
Ambient Temperature Range: -40 … +80 °C (-40 … +176 °F)
Protection Rating: IP66 / IP67, suitable for harsh outdoor and washdown environments
Safety Certifications: Compliant with relevant international standards (e.g., ATEX, IECEx, SIL for functional safety applications on request)
Core Advantages & Benefits
Unmatched Chemical Resistance: The fully ceramic, gold-plated measuring cell is inherently resistant to corrosion, making it perfect for aggressive, abrasive, or viscous media. It withstands frequent cleaning (CIP/SIP) and eliminates the risk of process fluid ingression.
Exceptional Reliability & Durability: The ceramic sensor is highly resistant to overpressure and pressure spikes. Its robust design ensures a long service life with minimal maintenance, reducing total cost of ownership (TCO).
Outstanding Measurement Performance: Provides high accuracy, excellent long-term stability, and minimal temperature error. This ensures precise process control, optimized efficiency, and consistent product quality.
Intelligent Diagnostics via HART®: The integrated HART protocol enables remote configuration, real-time monitoring, and access to valuable diagnostic data. This supports predictive maintenance, fast troubleshooting, and enhanced plant safety.
Application Flexibility: With a wide selection of pressure ranges, process connections, and output options, the CPS12E platform can be tailored to specific requirements. The CPS12E-AA7PAA2 variant offers a versatile and reliable standard solution.
Global Support & Expertise: Backed by Endress+Hauser’s worldwide service network, users receive expert application advice, comprehensive calibration services, and reliable technical support throughout the product lifecycle.
Ideal Applications
The CPS12E-AA7PAA2 excels in measuring pressure, level, and flow of demanding liquids and gases. It is widely used in:
Chemical and pharmaceutical industries
Water and wastewater treatment plants
Pulp and paper production
Food and beverage processing
Industrial machinery and hydraulic systems
Choose the Endress+Hauser CPS12E-AA7PAA2 ceramic pressure sensor for a robust, accurate, and maintenance-friendly solution that delivers reliable data and maximizes process uptime in the most demanding conditions.