Endress+Hauser CPS31E-AA7AAC2 Compact Pressure Transmitter

The Endress+Hauser CPS31E-AA7AAC2 is a high-performance, compact pressure transmitter engineered for reliable and precise measurements in a wide range of industrial processes. Part of the proven Cerabar S family, this device combines robust construction with advanced sensor technology, making it an ideal solution for pressure, level, and flow applications in water, wastewater, HVAC, and general industry.

Technical Parameters

The CPS31E-AA7AAC2 is designed with specifications that ensure accuracy and durability:

Measuring Principle: Piezoresistive sensor with metallic diaphragm

Measuring Range: 0…16 bar (232 psi)

Output: 4…20 mA HART, two-wire

Accuracy: Up to ±0.2% of span (including linearity, hysteresis, and repeatability)

Process Connection: G ¼ A (external thread) with flush diaphragm

Process Wetted Parts: Stainless steel (316L)

Electrical Connection: M12 x 1 connector

Protection Rating: IP66 / IP67, suitable for harsh environments

Media Temperature Range: -40…100 °C (-40…212 °F)

Long-Term Stability: Excellent, minimizing drift and recalibration needs

Key Advantages & Benefits

The CPS31E-AA7AAC2 stands out in the competitive market due to its distinct advantages that translate into tangible user benefits:

Unmatched Reliability & Durability: Its all-welded, stainless steel sensor body and flush diaphragm design make it exceptionally resistant to corrosion, clogging, and mechanical stress. This robust construction ensures long service life even in demanding media like dirty water, steam, or viscous fluids, reducing maintenance costs and downtime.

High Accuracy & Stability: With a superior accuracy of up to ±0.2%, this transmitter delivers consistently reliable data for critical process control and monitoring. Its outstanding long-term stability minimizes measurement drift, ensuring sustained accuracy over time and reducing the need for frequent recalibration.

Compact & Versatile Design: The device features an extremely space-saving design, facilitating easy installation in confined areas. Its versatility covers gauge, absolute, and sealed gauge pressure measurements, making it a single solution for diverse applications from pump monitoring to tank level measurement.

User-Friendly Operation: Thanks to integrated HART communication, configuration, diagnostics, and commissioning are straightforward. The local display option (available on select models) allows for quick on-site reading and troubleshooting. Furthermore, its global safety approvals and compatibility with common industrial systems ensure seamless integration.

Reduced Total Cost of Ownership: The combination of low maintenance requirements, high reliability, and easy installation leads to significantly reduced operational costs over the transmitter's entire lifecycle. This makes the CPS31E-AA7AAC2 a smart, economical investment for optimizing process efficiency.

In summary, the Endress+Hauser CPS31E-AA7AAC2 compact pressure transmitter is the go-to choice for engineers seeking a robust, accurate, and low-maintenance measurement solution. It guarantees process safety, enhances operational efficiency, and delivers superior value for a wide array of industrial pressure and level control tasks.