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Description
The Cerabar PMP51 digital pressure transmitter with metal membrane is typically used in process and hygiene applications for pressure, level, volume or mass measurement in liquids or gases.
PMP51 is designed for high pressure applications up to 400 bar.
Quick Setup with adjustable measuring range allows simple commissioning, reduces costs and saves time.
SIL2 according to IEC 61508 and IEC 61511.
Single chamber aluminum or stainless steel (316L) housing.
- Process connections: Threads, flanges or hygienic connections
- Process temperature: -40 to +130 °C (-40 to +266 °F), 150 °C (302 °F) for 1h
- Measuring range: -1/0 up to +400 bar (-15/0 up to +6,000 psi)
- Accuracy: ±0.1%, "Platinum" ±0.075%
- International explosion protection certificates, SIL, hygienic approvals, marine approvals
Features
- Accurate measurement of the process value even in the case of changing process temperature
- Process safety assured with small flush mounted process connections in hygienic applications
- For process pressure monitoring up to SIL2, certified to IEC 61508 and IEC 61511
- Modular concept for easy replacement of display or electronics
- Easy menu-guided commissioning via on-site display, 4 to 20mA with HART, PROFIBUS PA, FOUNDATION Fieldbus
- Seamless and independent system integration (HART/PA/FF)
- Available with mounted manifolds: always fit, always tested for leaks
Specifications
Specifications
Brand
Certifications & Approvals
CSA Hydrogen Compatibility %
Hydrogen Compatible up to 100% 
Hydrogen Compatible up to 30% 
Hydrogen Compatible up to 20% Product Family
- Cerabar
Measuring Principle
- Absolute and Gauge Pressure
Characteristic
- Smart and reliable pressure transmitter, with piezoresistive measuring cell and metal welded process isolating diaphragm
Supply Voltage
- 115...45 VDC (Non Ex): Ex ia: 11.,5...30 VDC
- PROFIBUS PA: 9...32 VDC (Non Ex)
- FOUNDATION Fieldbus: 9...32 VDC (Non Ex)
- 4...20mA HART
Reference Accuracy
- Standard 0.1%
- Platinum 0.075%
Long Term Stability
- 0.1% of URL/year
- 0.2% of URL/ 5 years
- 0.25% of URL/ 10 years
Process Temperature
- -40...+130 °C (-40...+266 °F)
- +150 °C (+302 °F) for 1 h
Ambient Temperature
- -40...+85 °C (-40...+185 °F)
Measuring Cell
- 400 mbar...400 bar (5.8 psi...6,000 psi) relative/ absolute
Smallest Calibratable Span
- 20 mbar (0.3 psi)
Vacuum Resistance
- 10 mbar (0.15 psi)
Max. Turn Down
- 20:1
Max. Overpressure Limit
- 600 bar (9,000 psi)
Process Connection
- Flange: DN25...DN80, ASME 1-1/2"...4"
- Thread: G1/2...G2, MNPT1/2...MNPT2
Process Connection Hygienic
- Tri-Clamp
- DIN11851
- NEUMO
- Varivent N
- SMS
- DRD
Material Process Membrane
- 316L, Alloy C
- Rhodium>Gold
Material Gasket
- None, measuring cell welded
Fill Fluid
- Silicone oil
- Inert oil
Material Housing
- Die-cast aluminum
- AISI 316L
Communication
- 4...20 mA
- 4...20 mA HART
- PROFIBUS PA
- FOUNDATION Fieldbus
- IO-Link
Certificates / Approvals
- ATEX, FM, CSA, CSA C/US, IEC Ex, INMETRO, NEPSI, UK Ex
Safety Approvals
- SIL
Design Approvals
- EN10204-3.1
- NACE MR0175
Hygienic Approvals
- 3A, EHEDG
- CoC ASME-BPE
Marine Approvals
- GL/ ABS/ LR/ BV/ DNV
Drinking Water Approvals
- NSF
Successor
- PMP51B
Why Choose the Endress+Hauser Cerabar PMP51B
Why Choose the Endress+Hauser Cerabar PMP51B
Value Elements
- Reliable Pressure Data for Natural Gas Operations
- The Cerabar PMP51B provides dependable pressure measurement for station control, equipment protection, alarms, and safe operation.
- It is a strong fit for Canadian natural gas compressor stations, regulating stations, meter skids, and remote pipeline assets.
- Flexible for Different Gas Applications
- The PMP51B can be configured for gauge or absolute pressure measurement, supporting both lower-pressure station monitoring and higher-pressure transmission or compression applications.
- Multiple process connection and material options make it easier to match site standards and gas service requirements.
- Built for Long-Term Field Confidence
- Long-term stability helps reduce unnecessary recalibration and supports more predictable maintenance planning.
- This is valuable for Canadian operators managing wide service areas, remote sites, and harsh seasonal conditions.
Comparison vs. Next Best Alternative
- Compared to a Basic Pressure Transmitter
- A basic transmitter may only provide a pressure output. The PMP51B adds stronger configuration flexibility, diagnostics, and digital integration options.
- This helps operators troubleshoot faster, standardize device handling, and improve visibility across multiple gas sites.
- Compared to Keeping Older Installed Devices
- Older transmitters may lack the communication, documentation, and verification support expected in modern gas facilities.
- The PMP51B offers a practical upgrade path for pressure regulation assemblies, compressor pressure points, and measurement skids.
Where Do I Use This Product and Why?
- Pressure Regulating Stations
- Use it to monitor inlet and outlet pressure around regulators, slam-shut valves, relief systems, and station piping.
- Compressor Stations
- Use it on suction, discharge, interstage, utility gas, and auxiliary pressure points where reliable feedback supports alarms, shutdown logic, and equipment protection.
- Metering and Pipeline Assets
- Use it where pressure input is needed for gas measurement, flow computer integration, remote monitoring, city gates, district regulator stations, and distribution assets.
Configure
Configure
Configuration for Endress+Hauser products is available directly on their website. Visit the link below to configure your Cerabar PMP51B - pressure transmitter and generate your unique product number.
Submit a request for information form on this product page with the unique product number in order for our team to assist you faster. If you need assistance with an Endress+Hauser configurator, please contact our team.
Click here to access the Cerabar PMP51B - pressure transmitter configurator.
