Endress+Hauser CPS77E-AA6BBU2 Compact Pressure Sensor

The Endress+Hauser CPS77E-AA6BBU2 represents a pinnacle of innovation in compact, industrial-grade pressure measurement. Engineered for reliability and precision in demanding environments, this robust pressure sensor is a key solution for industries ranging from chemical and pharmaceutical to water treatment and process manufacturing.

Technical Specifications & Key Features

Model: CPS77E-AA6BBU2

Measuring Principle: Ceramic, capacitive sensing element (Diaphragm SE540)

Pressure Range: 0…16 bar / 0…232 psi (relative)

Output Signal: 4…20 mA, 2-wire

Process Connection: G ¼ A (external thread)

Electrical Connection: M12 x 1 connector, 4-pin

Process Wetted Parts: Aluminium oxide ceramic (Al₂O₃), FKM (Viton®)

Housing Material: Stainless steel (1.4404 / 316L)

Protection Class: IP67 (NEMA 6), ensuring durability against dust and temporary immersion.

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

Accuracy: Typically better than ±0.5% of span (includes linearity, hysteresis, repeatability)

Core Advantages for Your Process

The CPS77E-AA6BBU2 is designed to deliver superior performance where it matters most:

Exceptional Robustness & Media Compatibility: The corrosion-resistant, ceramic capacitive sensor is virtually inert. It withstands aggressive media, slurry applications, and is highly resistant to overpressure and pressure peaks, ensuring long-term stability and reducing maintenance costs.

Outstanding Long-Term Stability: The ceramic sensor technology minimizes drift over time. This translates to consistent, reliable measurements over extended periods, reducing the need for frequent recalibration and enhancing process consistency.

Compact & Versatile Design: Its space-saving design allows for easy installation in confined spaces. Combined with high resistance to vibration and electromagnetic interference (EMC compliance), it integrates seamlessly into diverse machinery and mobile equipment.

User-Friendly Operation: Featuring a plug-and-play M12 connector and clear status indication via an integrated LED, installation and diagnostics are simplified, saving valuable commissioning and troubleshooting time.

Trusted Brand Quality: As part of the Endress+Hauser Cerabar sensor family, this instrument benefits from decades of expertise in liquid and gas pressure measurement, backed by global service and support.

Ideal Applications

The CPS77E-AA6BBU2 is perfectly suited for:

Hydraulic and pneumatic systems

Filter monitoring

Pump control and protection

Level measurement in tanks and vessels via hydrostatic pressure

Pressure monitoring in chemical processes, mobile equipment, and general industrial automation

In summary, the Endress+Hauser CPS77E-AA6BBU2 compact pressure transmitter is a smart investment for engineers seeking a durable, accurate, and low-maintenance solution for challenging pressure measurement tasks. Its robust ceramic sensor, high resilience, and ease of use make it a reliable cornerstone for optimizing process safety and efficiency.

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