E+H Cerabar PMP51B Digital Pressure Transmitter

The Endress+Hauser Cerabar PMP51B represents a state-of-the-art solution for industrial process pressure measurement, engineered to ensure maximum operational safety, reliability, and precision. Built with a high-quality metallic process diaphragm, the PMP51B is designed to measure absolute pressure and gauge pressure in aggressive liquids, gases, and steam across heavy process industries.

To enhance plant availability and streamline maintenance, the Cerabar PMP51B features built-in Heartbeat Technology, enabling continuous self-diagnostics and traceably verified health monitoring without interrupting the active process. Field operators can perform effortless, secure wireless commissioning, parameter configuration, and diagnostic checks via Bluetooth® connectivity using the SmartBlue app. The transmitter also supports standard industrial communication protocols such as 4–20 mA HART, PROFIBUS PA, and PROFINET with Ethernet-APL, ensuring seamless integration into modern digital control architectures. Its clear backlit graphic display with intuitive setup wizards ensures fast and error-free operation under challenging site conditions.

Applications:

• Chemical & Petrochemical Industry: Pressure and level monitoring in aggressive chemical reactors, distillation columns, and storage vessels.

• Oil & Gas Processing: Accurate gauge and absolute pressure measurement in upstream extraction, pipeline transport, and downstream refining units.

• Power & Energy Generation: Steam drum pressure monitoring, turbine auxiliary systems, and cooling water loop control.

• Water & Wastewater Treatment: Hydrostatic level measurement and pressure control in filtration units, pumping stations, and municipal networks.

• General Industrial Automation: Heavy-duty process pressure control across industrial utility skids and manufacturing systems.

Technical Specifications:

• Measuring Principle: Absolute and gauge pressure

• Process Membrane Material: Stainless Steel (316L), Alloy C276, Tantalum

• Measuring Ranges: Up to 400 bar (6000 psi)

• Reference Accuracy: Standard up to ±0.05%, Platinum up to ±0.025%

• Turndown Ratio: Up to 100:1

• Process Temperature Range: -40 °C to +400 °C (-40 °F to +752 °F, depending on version and use of capillary-connected diaphragm seals)

• Ambient Temperature Range: -40 °C to +85 °C (-40 °F to +185 °F)

• Max. Overpressure Limit: Up to 600 bar (9000 psi)

• Output / Communication: 4–20 mA HART, PROFIBUS PA, PROFINET with Ethernet-APL, optional Bluetooth®

• Housing Material: Die-cast aluminum or 316L stainless steel

• Certificates & Approvals: ATEX, IECEx, CSA C/US, NEPSI, SIL2/SIL3 functional safety, NACE MR0175/MR0103

FAQ

• Q1: What are the main advantages of the Cerabar PMP51B?

  A: The PMP51B combines high measurement accuracy (up to ±0.025%), robust metallic process diaphragms, Heartbeat Technology for continuous self-diagnostics, and optional Bluetooth® wireless configuration.

• Q2: Can the PMP51B be configured remotely in the field?

  A: Yes, optional Bluetooth® connectivity allows operators to securely configure, monitor, and run diagnostics via the SmartBlue App from up to 10 meters away.

• Q3: What communication protocols does this transmitter support?

  A: It supports industry-standard protocols including 4–20 mA HART, PROFIBUS PA, and PROFINET with Ethernet-APL for seamless digital plant integration.

• Q4: Is the PMP51B suitable for high-temperature process applications?

  A: Yes, with proper configuration and optional capillary-connected diaphragm seals, it can handle extreme process temperatures up to +400 °C.