Pressure reducing regulator with Endress+Hauser Proline Prowirl D 200 vortex flowmeter and Cerabar PMP71B pressure transmitter

The Endress+Hauser Cerabar PMP71B is an advanced digital pressure transmitter designed for precise and reliable measurement of pressure, level, and volume in a wide range of industrial applications. As part of Endress+Hauser's renowned Cerabar family, the PMP71B combines cutting-edge technology, robust construction, and innovative diagnostic features to deliver exceptional performance in demanding environments. With its high accuracy, flexibility, and seamless integration capabilities, this transmitter is ideal for critical processes in industries such as oil and gas, chemical, pharmaceutical, power generation, and water treatment.

The Cerabar PMP71B utilizes a state-of-the-art piezoresistive sensor with a welded metallic membrane, ensuring long-term stability and resistance to harsh process conditions. The transmitter is engineered to measure absolute, gauge, and differential pressure, with a wide measuring range from 0.1 mbar to 400 bar. Its robust housing, available in cast aluminum or stainless steel, provides excellent protection against environmental factors, boasting an IP66/IP67 rating for dust and water resistance. The device is also certified for use in hazardous areas, with ATEX, IECEx, FM, and CSA approvals, making it suitable for Zone 1/21 applications. The PMP71B features a large, rotatable LCD display with a user-friendly interface, allowing for easy configuration and real-time data visualization. The display can be customized to show pressure values, unit indicators, and diagnostic messages, ensuring clear and accessible information for operators.

The Cerabar PMP71B delivers outstanding measurement accuracy, with deviations as low as ±0.075% of the calibrated span, and offers exceptional long-term stability, reducing the need for frequent recalibration. One of its key innovations is the integration of Endress+Hauser's Heartbeat Technology, which enables continuous self-monitoring and verification without process interruption. This feature detects potential issues such as sensor drift, plugging, or wiring faults, providing early warnings for predictive maintenance and minimizing unplanned downtime. The transmitter supports multiple communication protocols, including 4–20 mA HART, PROFIBUS PA, Foundation Fieldbus, and MODBUS, ensuring seamless integration into both conventional and digital automation systems. Additionally, the PMP71B is designed with a modular approach, allowing users to select from a variety of process connections, materials, and seals to meet specific application requirements.

The Cerabar PMP71B is widely used in applications where precise pressure and level measurement are critical for process efficiency and safety. In the oil and gas industry, it monitors wellhead pressure, separator levels, and pipeline operations. In chemical and petrochemical plants, it ensures accurate control of reactors, distillation columns, and storage tanks. The pharmaceutical and food and beverage industries rely on the PMP71B for hygienic processes, where its cleanable design and compliance with industry standards (such as 3-A and EHEDG) are essential. In power generation, it supervises steam headers, feedwater systems, and turbine operations, while in water and wastewater treatment, it enables efficient pump control and filter monitoring. The transmitter's versatility also makes it suitable for HVAC systems, where it contributes to energy efficiency and climate control.

The Endress+Hauser Cerabar PMP71B stands out as a reliable, accurate, and future-proof solution for industrial pressure and level measurement. Its combination of advanced diagnostics, robust construction, and flexible configuration ensures optimal performance in even the most challenging environments. By reducing maintenance needs, enhancing safety, and enabling seamless integration into digital ecosystems, the PMP71B helps industries achieve higher operational efficiency and lower total cost of ownership. Whether used in hazardous areas, high-precision processes, or hygienic applications, the Cerabar PMP71B delivers unmatched reliability and value, making it an indispensable tool for modern industrial automation.