E+H Cerabar PMP50 Digital Pressure Transmitter

The Endress+Hauser Cerabar PMP50 represents a robust and highly reliable solution for process pressure measurement across diverse industries. Designed with a high-quality metallic flush or recessed diaphragm, the PMP50 provides accurate and stable absolute and gauge pressure monitoring even under harsh process conditions, high temperatures, and severe pressure spikes.

Engineered to optimize plant availability and process safety, the Cerabar PMP50 features advanced sensor technology that ensures quick response times and minimal temperature drift. Its rugged housing—available in robust aluminum or stainless steel—withstands aggressive industrial atmospheres and vibration. Operators benefit from user-friendly local operation via an intuitive display module, supported by guided setup wizards that simplify commissioning and routine maintenance.

Equipped with flexible communication protocols including 4–20 mA HART, PROFIBUS PA, and FOUNDATION Fieldbus, the PMP50 integrates seamlessly into existing control systems and asset management architectures. With extensive international approvals for hazardous areas and functional safety (SIL), it provides a dependable instrument choice for critical pressure loops in chemical, oil and gas, power, and utility plants.

Applications:

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

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

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

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

• General Industrial Automation: Process pressure control in heavy machinery, hydraulic systems, and industrial utility skids.

Technical Specifications:

• Measuring Principle: Absolute and gauge pressure

• Process Membrane Material: Stainless Steel (316L), Alloy C276, Tantalum, or Gold/Rhodium plated

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

• Reference Accuracy: Standard up to ±0.05%

• 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 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, FOUNDATION Fieldbus

• 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 applications of the Cerabar PMP50?

  A: The PMP50 is designed for absolute and gauge pressure measurement of liquids, gases, and steam in chemical, oil and gas, power generation, and general industrial processes.

• Q2: What materials are available for the metallic process diaphragm?

  A: Depending on the process compatibility requirements, the diaphragm is available in Stainless Steel 316L, Alloy C276, Tantalum, or specialized platings.

• Q3: What communication options does the PMP50 support?

  A: It supports industry-standard communication protocols including 4–20 mA HART, PROFIBUS PA, and FOUNDATION Fieldbus for seamless system integration.

• Q4: Is the PMP50 suitable for high-temperature process environments?

  A: Yes, with proper configuration and the use of capillary-connected diaphragm seals or high-temperature extensions, it can handle process temperatures up to +400 °C.