Technical Data
CompareContinuous / Liquids
| Measuring Principle | Absolute and gauge pressure |
| Characteristic / Application | Smart and reliable pressure transmitter, with capacitive measuring cell and ceramic process isolating diaphragm (Ceraphire) |
| Supply / Communication | 4 ..20 mA HART: 11,5...45V DC Ex ia: 11,5...30V DC PROFIBUS PA FOUNDATION Fieldbus |
| Accuracy | Standard 0.1% Platinum 0.075% |
| Long term stability | < 0,1% of URL/ year < 0,25% of URL/ 5 years < 0,4% of URL/ 10 years |
| Ambient temperature | -40°C...85°C (-40°F...185°F) |
| Process temperature | -20°C...130°C (-4°F...266°F) |
| Process pressure / max. overpressure limit | 60 bar (900 psi) |
| Pressure measuring range | 100 mbar...40 bar (1.5psi...600psi) |
| Main wetted parts | Ceraphire Sealing Alloy C276 316L |
| Process connection | Threads Flanges (DIN, ASME, JIS) |
| Max. measurement distance | 400 m (1312 ft) H2O |
| Communication | 4...20 mA HART PROFIBUS PA FOUNDATION Fieldbus IO-Link |
| Certificates / Approvals | ATEX, FM, CSA C/US, IEC Ex, INMETRO, NEPSI |
| Safety approvals | SIL |
| Design approvals | EN 10204-3.1 NACE MR0175, MR0103 |
| Hygienic approvals | 3A, EHEDG CoC ASME-BPE |
| Marine approval | GL/ ABS/ LR/ BV/ DNV |
| Drinking water approvals | NSF |
| Options | Local display |
| Successor | PMC51B |
| Application limits | Measuring cell: ceramics If pressurized, possibly use differential pressure measurement with two pressure transmitters (electronic dp). Observe ratio head pressure : hydrostatic pressure |
Pressure
| Measuring Principle | Absolute and gauge pressure |
| Characteristic | Smart and reliable pressure transmitter with capacitive measuring cell and ceramic process isolating diaphragm Ceraphire) |
| Supply voltage | 4...20 mA HART 11,5...45V DC (Non Ex): Ex ia: 11,5...30V DC PROFIBUS PA: 9...32 V DC (Non Ex) FOUNDATION Fieldbus: 9...32 V DC (Non Ex) |
| Reference Accuracy | Standard 0.1% Platinum 0.075% |
| Long term stability | 0.2% of URL/ year 0.4% of URL/ 5 years 0.5% of URL/ 10 years |
| Process temperature | -40°C...+130°C (-40°F...+266°F +150°C for 1h (+302°F for 1h) |
| Ambient temperature | -40°C...+85°C (-40°F...+185°F) |
| Measuring cell | 100 mbar...40 bar (1.5 psi...600 psi) relative/ absolute |
| Smallest calibratable span | 10 mbar (0.15 psi) |
| Vacuum resistance | 0 mbar abs. |
| Max. Turn down | 20:1 |
| Max. overpressure limit | 60 bar (900 psi) |
| Process connection | Thread: G1/2...G2, R1/2, MNPT1/2 Flange: DN25...DN80, ASME 1"...4", JIS 10K |
| Process connection hygienic | Tri-Clamp DIN11851 DIN11864-1 NEUMO Varivent N SMS DRD |
| Material process membrane | Ceramic |
| Material gasket | Viton, EPDM, NBR, Kalrez |
| Fill fluid | None, dry measuring cell |
| 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 | CoC ASME-BPE 3A, EHEDG |
| Marine approvals | GL/ ABS/ LR/ BV/ DNV |
| Drinking water approvals | NSF |
| Successor | PMC51B |
The Cerabar PMC51 digital pressure transmitter uses an oil-free capacitive ceramic measuring cell and is mainly used in the process industry and the hygiene sector to measure the pressure, level, volume and mass of liquids and gases. The PMC51 uses a vacuum-resistant ceramic diaphragm to ensure a highly safe measuring system. The measuring range is adjustable and the quick setup function simplifies commissioning, saving cost and time. The design complies with IEC 61508 and IEC 61511 and meets SIL2 functional safety requirements.
Advantages
Overload protection——high-precision ceramic sensor (99.9% Al2O3)
Suitable for vacuum, corrosive and abrasive media
Excellent repeatability and long-term stability
Certified to IEC 61508 and IEC 61511, suitable for process pressure monitoring in SIL2 functional safety systems
Simple and safe menu-guided operation: via the on-site display module, or remotely via 4-20 mA HART, PROFIBUS PA, FOUNDATION Fieldbus
Modular design for measuring differential pressure, static pressure and pressure (Deltabar M - Deltapilot M - Cerabar M), e.g. replaceable display module and main electronics module
Optional manifold: also pressure-tested
Areas of application
Single-compartment aluminum or stainless steel (316L) housing
Process connection: thread, flange or hygienic connection
Temperature range: -40 to +130°C (-40 to +266°F), 150°C (302°F) for 1 hour
Pressure range: +100mbar to +40bar (+1.5 to +600psi)
Accuracy: ±0.15%, "platinum version" ±0.075%
International explosion protection approval, SIL, hygienic approval, marine approval
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Technical documentation
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Source:Endress+Hauserwebsite public information
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · Gauge and Absolute Pressure Application Case
Project Background
Municipal Wastewater Treatment customers at the Wastewater Treatment Plant stage have long faced the challenge of insufficient accuracy in effluent quality monitoring and instruments prone to contamination causing data drift, affecting compliance discharge, placing higher demands on the stability and measurement accuracy of Gauge and Absolute Pressure.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Gauge and Absolute Pressure for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Municipal Wastewater Treatment conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Food & Beverage — Food Production Line · Gauge and Absolute Pressure Application Case
Project Background
Food & Beverage customers at the Food Production Line stage have long faced the challenge of high hygienic measurement requirements, with inline instruments needing to withstand CIP/SIP cleaning while maintaining stable accuracy, placing higher demands on the stability and measurement accuracy of Gauge and Absolute Pressure.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Gauge and Absolute Pressure for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Food & Beverage conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Chemical & Pharmaceutical — Reactors and Storage Tanks · Gauge and Absolute Pressure Application Case
Project Background
Chemical & Pharmaceutical customers at the Reactors and Storage Tanks stage have long faced the challenge of highly corrosive media and complex conditions, requiring corrosion-resistant and explosion-proof instruments, placing higher demands on the stability and measurement accuracy of Gauge and Absolute Pressure.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Gauge and Absolute Pressure for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Chemical & Pharmaceutical conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Power & Energy — Power Plant Boiler and Turbine · Gauge and Absolute Pressure Application Case
Project Background
Power & Energy customers at the Power Plant Boiler and Turbine stage have long faced the challenge of unstable measurement under high temperature and pressure, with high maintenance and downtime costs, placing higher demands on the stability and measurement accuracy of Gauge and Absolute Pressure.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Gauge and Absolute Pressure for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Power & Energy conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
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