Technical Data
CompareContinuous / Liquids
| Measuring Principle | Absolute and gauge pressure |
| Characteristic / Application | Digital transmitter with capacitive sensor and ceramic membrane Modular transmitter Long term stability Enhanced safety via self diagnostic functions Secondary process barrier |
| Specialities | diagnostic functionalities different languages in software |
| Supply / Communication | 4...20mA HART: 10,5...45V DC Ex ia: 10,5...30V DC PROFIBUS PA / FOUNDATION Fieldbus: 9...32V DC |
| Accuracy | Standard: 0.05% Platinum: up to 0.025% |
| Long term stability | 0,05% of URL/year |
| Ambient temperature | -40°C...85°C (-40°F...185°F) |
| Process temperature | -40°C...150°C (-40°F...302°F) |
| Process pressure / max. overpressure limit | 60bar (900psi) |
| Pressure measuring range | 100mbar...40bar (1.5psi...600psi) |
| Main wetted parts | Ceraphire ceramic Alloy C 316L Monel PVDF |
| Process connection | Threads Flanges Tri-Clamp ISO2852 Hygienic connections |
| Max. measurement distance | 400m (1312ft) H2O |
| Communication | 4 ... 20 mA HART PROFIBUS PA FOUNDATION Fieldbus |
| Certificates / Approvals | ATEX, FM, CSA C/US, IEC Ex, JPN Ex, INMETRO, NEPSI, EAC |
| Design approvals | EN 10204-3.1 |
| Marine approval | GL/ ABS |
| Drinking water approvals | NSF |
| Options | HistoROM/M-Dat 4-line digital display SS- or Aluminiumhousing Separate housing |
| Successor | PMC71B |
| 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 | Digital transmitter with capacitive sensor and ceramic membrane Modular transmitter Long term stability Enhanced safety via self diagnostic functions Secondary process barrier |
| Supply voltage | 4...20 mA HART 10,5...45V DC (Non Ex): Ex ia: 10,5...30V DC PROFIBUS PA: 9...32 V DC (Non Ex) FOUNDATION Fieldbus: 9...32 V DC (Non Ex) |
| Reference Accuracy | Standard: 0.05% Platinum: up to 0.025% |
| Long term stability | 0.05 % of URL/ year 0.08 % of URL/ 5 years 0.1 % of URL/ 10 years |
| Process temperature | -20°C...150°C (-4°F...257°F) |
| 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 | 5 mbar (0.075 psi) |
| Vacuum resistance | 0 mbar abs. |
| Max. Turn down | 100:1 |
| Max. overpressure limit | 60 bar (900 psi) |
| Process connection | Thread: G1/2...G2, R1/2, MNPT1/2...MNPT2 Flange: DN25...DN80, ASME 1"...4", JIS 10K |
| Process connection hygienic | Tri-Clamp DIN11851 Varivent N SMS DRD |
| Material process membrane | Ceramic |
| Material gasket | Viton, EPDM, Chemraz, Kalrez, NBR |
| Fill fluid | none, dry measuring cell |
| Material housing | Die-cast aluminum, AISI 316L |
| Communication | 4...20 mA HART PROFIBUS PA FOUNDATION Fieldbus |
| Certificates / Approvals | ATEX, FM, CSA, CSA C/US, IEC Ex, JPN Ex, INMETRO, NEPSI, EAC, UK Ex |
| Design approvals | EN10204-3.1 |
| Hygienic approvals | 3A, EHEDG |
| Marine approvals | GL/ ABS |
| Drinking water approvals | NSF |
| Specialities | Diagnostic functions |
| Successor | PMC71B |
The Cerabar PMC71 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 PMC71 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 meets SIL2/3 functional safety requirements.
Advantages
Overload protection——high-precision ceramic sensor (99.9% Al2O3); ideal for vacuum, corrosive and abrasive media
HistoROM®/M-DAT memory unit enables traceability of device settings and measured values
IEC 61508 certified by TÜV SÜD, suitable for SIL2/SIL3 functional safety process pressure monitoring (min.…max.…range)
Comprehensive function monitoring from the measuring diaphragm to the electronics
Quick setup menu for fast setting of basic commissioning parameters, menu-guided operation with advanced fault diagnostics
Hermetically sealed feedthrough provides a standard second line of defense
Optional manifold: also pressure-tested
Areas of application
Dual-compartment aluminum or stainless steel (316L) housing
Process connections: from 1.5" thread, flange, clamp or hygienic process connection
Temperature range: -40 to +150°C (-40 to +302°F)
Pressure range: +100mbar to +40bar (+1.5 to +600psi)
Accuracy range: ±0.05%, "platinum version" ±0.025%
International explosion protection approval, WHG overflow protection, SIL, hygienic approval, marine approval
Spare Parts & Accessories 122
122 spare parts · click to collapse
| Order code | Description | |
|---|---|---|
| 52020440 | mounting kitconsists of: 2x O-ring 45.69x2.62 EPDM retaining ring, plastics Cerabar S PMC71, PMP71/PMP75 Deltabar S PMD70/PMD75,FMD76/FMD77/FMD78 Deltapilot S FMB70 | Details |
| 71020596 | mounting kitconsists of: 2x O-ring 45.62x69x2.62 EPDM 1x profile gasket 51.4x57.2x1.6 VMQ retaining ring, plastics Cerabar S PMC71/PMP71/PMP75 Deltabar S PMD70/PMD75/FMD76/FMD77/FMD78 Deltapilot S FMB70 | Details |
| 52022418 | key housingfor external operation consists of: push buttons, cover + screws | Details |
| 52022419 | key housingfor external operation consists of: push buttons, cover + screws colour: light grey | Details |
| 52024110 | key housingfor external operation consists of: push button, cover + screws colour: dark grey | Details |
| 52020760 | cable glandconsists of: cable gland M20 O-ring 18.72x2.62 VMQ Cerabar S PMC71, PMP71/PMP75 Deltabar S PMD70/PMD75,FMD76/FMD77/FMD78 Deltapilot S FMB70 | Details |
| 52020761 | cable entryconsists of: gasket 18.72x2.51 NBR adapter M20 > G1/2 O-ring 18.77x1.78 NBR Cerabar S PMC71, PMP71/PMP75 Deltabar S PMD70/PMD75,FMD76/FMD77/FMD78 Deltapilot S FMB70 | Details |
| 52020762 | plug connectorHarting plug set Cerabar S PMC71, PMP71/PMP75 Deltabar S PMD70/PMD75,FMD76/FMD77/FMD78 Deltapilot S FMB70 | Details |
| 52020763 | plug connectorCerabar S PMC71, PMP71/PMP75 Deltabar S PMD70/PMD75,FMD76/FMD77/FMD78 Deltapilot S FMB70 | Details |
| 71111056 | Atmospheric compensation filter portConsists of: Vent screw 304. Pressure compensation filter. O-ring EPDM, protection lid. Usage: FMB50, FMB51, FMB52, FMB53, FMD71, FMD72, FMD76, FMD77, FMD78, FMR60B, FMR62B, FMR63B, FMR66B, FMR67B, PMC51, PMC71, PMD70, PMD75, PMP71, PMP75, PMP51, PMP55. | Details |
| 71219639 | Atmospheric compensation filter portConsists of: vent screw 304. Pressure compensation filter. O-ring VMQ, protection lid. Usage: housing T17, FMB70, FMD76/FMD77/FMD78, PMC71, PMD70/PMD75, PMP71/ PMP75. Housing F15 at B1,BB,BD,BF,GA,ID,I1, FMB50/FMB51/FMB52/FMB53, PMC51, PMP51/PMP55. | Details |
| 52020432 | Aluminum cover with gasketMaterial: Aluminium, coated O-ring EPDM, FDA not for EEx d/XP Cerabar S PMC71, PMP71/PMP75 Deltabar S PMD70/PMD75,FMD76/FMD77/FMD78 Deltapilot S FMB70 | Details |
| 52020433 | Aluminum cover with gasketMaterial: Aluminium, coated O-ring EPDM, FDA for EEx d/XP Cerabar S PMC71, PMP71/PMP75 Deltabar S PMD70/PMD75,FMD76/FMD77/FMD78 | Details |
| 52020492 | Cover T14/T15 Alu, sight glass, gasketMaterial: Aluminium, coated Sight glass: mineral glass O-ring EPDM, FDA not for EEx d/XP Cerabar S PMC71, PMP71/PMP75 Deltabar S PMD70/PMD75,FMD76/FMD77/FMD78 Deltapilot S FMB70 | Details |
| 52020493 | Cover T14/T15 Alu, Exd, sight glass, gasketMaterial: Aluminium Sight glass: mineral glass O-ring EPDM, FDA individual tested, EEx d/XP Cerabar S PMC71, PMP71/PMP75 Deltabar S PMD70/PMD75,FMD76/FMD77/FMD78 | Details |
| 52028309 | ***Cover T14 316L, Ex d, sight glass, EPDMMaterial: 316L Sight glass: mineral glass O-ring EPDM, FDA individual tested, EEx d/XP Cerabar S PMC71, PMP71/PMP75 Deltabar S PMD70/PMD75,FMD76/FMD77/FMD78 | Details |
| 52028310 | Stainless Steel CoverMaterial: 316L O-ring EPDM, FDA individual tested, EEx d/XP Cerabar S PMC71, PMP71/PMP75 Deltabar S PMD70/PMD75,FMD76/FMD77/FMD78 | Details |
| 71002774 | Stainless Steel CoverMaterial: 316L flat gasket VMQ, centering ring, screw not for EEx d/XP Cerabar S PMC71, PMP71/PMP75 Deltabar S PMD70/PMD75,FMD76/FMD77/FMD78 Deltapilot S FMB70 | Details |
| 71002810 | cover with viewing windowMaterial: 316L Sight glass: mineral glass flat gasket VMQ, centering ring, screw approval 2,3,4,8,Q,W,7,8 Cerabar S PMC71, PMP71/PMP75 Deltabar S PMD70/PMD75,FMD76/FMD77/FMD78 Deltapilot S FMB70 | Details |
| 71002811 | cover with viewing windowMaterial: 316L Sight glass: Polycarbonat PC flat gasket VMQ, centering ring, screw approval A,F,R,S,U,1,6 Cerabar S PMC71, PMP71/PMP75 Deltabar S PMD70/PMD75,FMD76/FMD77/FMD78 Deltapilot S FMB70 | Details |
Configurator / Comparison
Source:Endress+Hauserwebsite public information
Measuring principle video
Click to playManuals & Documents 12
All documents for this model12 documents · click to expand
Cerabar S PMC71, PMP71, PMP75 HART V02.30.zz Operating Instructions Chinese
Cerabar S PMC71, PMP71, PMP75 FOUNDATION Fieldbus (V 04.00.zz) Operating Instructions Chinese
仪表功能描述 Cerabar S PMC71, PMP71/75 Deltabar S FMD76/77/78, PMD70/75 Deltapilot S FMB70 Chinese
Cerabar S PMC71, PMP71, PMP75 HART V02.30.zz Operating Instructions English
Cerabar S PMC71, PMP71, PMP75 FOUNDATION Fieldbus (V 04.00.zz) Operating Instructions English
Cerabar S PMC71, PMP71, PMP75 PROFIBUS PA (V 04.01.zz) Operating Instructions English
Cerabar S / Deltabar S / Deltapilot S HART V02.30.zz Description of Instrument Functions English
Cerabar S / Deltabar S / Deltapilot S, Description of device functions FOUNDATION Fieldbus V 04.00.zz English
Cerabar S /Deltabar S /Deltapilot S Description of device functions PROFIBUS PA V04.01.zz English
Cerabar S /Deltabar S /Deltapilot S Description of device functions PROFIBUS PA English
Cerabar S Operating Instructions HART, Software version 7.1 English
TI Cerabar S PMC71, PMP71, PMP75 Chinese
Case Studies
Municipal Wastewater Treatment · Gauge and Absolute Pressure — Application Case
Site Conditions
This is a Municipal Wastewater Treatment customer whose plant is at the inlet, biological and outlet stages of a municipal plant. The main task was measuring gauge or absolute pressure to judge process state.
The Problem
The difficulty lies in high solids and corrosive fractions, with large diurnal flow swings; at the same time effluent parameters drift and probes foul with sludge and biofilm. Specification therefore means selected by turndown, overpressure protection and diaphragm material.
What We Did
We took a pressure range approach — pressure solution matched to process pressure and temperature. Delivery was built around selected by turndown, overpressure protection and diaphragm material, with point-by-point checks on: stable compliance with Grade 1A discharge limits and online data reporting.
Operating Outcome
In service the system performs as intended — spotting abnormal pressure early, before equipment is damaged, with routine maintenance falling noticeably.
Food & Beverage · Gauge and Absolute Pressure — Application Case
Application Context
dosing, pasteurising, filling and CIP stages is a typical Food & Beverage duty. The project started from Gauge and Absolute Pressure, focusing on measuring gauge or absolute pressure to judge process state.
Process Constraints
frequent cleaning demands instruments that withstand hot CIP/SIP caustic cycles, and syrups, dairy and beverages that scale easily, under strict hygienic requirements only amplify it. The Gauge and Absolute Pressure specification must therefore cover selected by turndown, overpressure protection and diaphragm material.
Delivery Approach
Delivery was handled as the pressure range — pressure solution matched to process pressure and temperature. Execution centred on selected by turndown, overpressure protection and diaphragm material, together with food-safety and hygienic design per 3-A / EHEDG.
Field Results
Operation shows the benefit clearly — spotting abnormal pressure early, before equipment is damaged, with confidence in this measuring point improving markedly.
Chemical & Pharmaceutical · Gauge and Absolute Pressure — Application Case
Customer Profile
The typical setting in Chemical & Pharmaceutical is reactors, metering vessels and finished-product tanks. The measuring point is Gauge and Absolute Pressure; the focus is measuring gauge or absolute pressure to judge process state.
Key Difficulties
Conditions are highly corrosive media with solvents and crystallisation, partly in explosive atmospheres and, on top of that, corrosion plus Ex protection shortens instrument life and makes downtime costly, which a standard configuration cannot handle for long. The design therefore starts with selected by turndown, overpressure protection and diaphragm material.
Implementation
The scope ran through the pressure range: pressure solution matched to process pressure and temperature. Technically it hinges on selected by turndown, overpressure protection and diaphragm material, and on these requirements: Ex certification and GMP traceability of records.
Customer Benefit
In practice this means spotting abnormal pressure early, before equipment is damaged, which cut the workload on the site maintenance team.
Power & Energy · Gauge and Absolute Pressure — Application Case
Project Background
The project covers boiler feedwater, turbine condensate and FGD/DeNOx systems. The work centres on Gauge and Absolute Pressure and the core task is measuring gauge or absolute pressure to judge process state.
Operating Challenges
The medium and duty are characterised by high temperature and pressure with both steam and saline water, and drift under high temperature and pressure, with very costly unplanned outages. So Gauge and Absolute Pressure cannot be specified generically — it calls for selected by turndown, overpressure protection and diaphragm material.
Solution
The Ainstru engineering team worked through the pressure range: pressure solution matched to process pressure and temperature. The configuration involves selected by turndown, overpressure protection and diaphragm material, with these requirements in view: compliance with power-industry codes and unit availability targets.
Results
Since start-up the system has run steadily; the practical result is spotting abnormal pressure early, before equipment is damaged.
