Technical Data
CompareContinuous / Liquids
| Measuring Principle | Absolute and gauge pressure |
| Characteristic / Application | Digital transmitter with piezoresistive sensor and diaphragm seal Modular transmitter Long term stability Minimum oil volume 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 | 0,075% + influence of diaphragm seal |
| Long term stability | 0,05% of URL/year |
| Ambient temperature | -50°C...85°C (-58°F...185°F) |
| Process temperature | -70°C...400°C (-94°F...752°F) |
| Process pressure / max. overpressure limit | 1050bar (15,200psi) |
| Pressure measuring range | 400 mbar...400 bar (5.8 psi...6000 psi) |
| Main wetted parts | Alloy C276 316L Monel Tantalum PTFE-Foil |
| Process connection | Threads Flanges (DIN, ASME, JIS) with flush membrane Tri-Clamp ISO02852 Hygienic connections |
| Max. measurement distance | 7000m (22.966ft) H2O |
| Communication | 4...20 mA HART PROFIBUS PA FOUNDATION Fieldbus |
| Certificates / Approvals | ATEX, FM, CSA, CSA C/US, IEC Ex, JPN Ex, INMETRO, NEPSI, EAC |
| Safety approvals | SIL |
| Design approvals | EN 10204-3.1 NACE MR0175, MR0103 |
| Hygienic approvals | 3A, EHEDG |
| Marine approval | GL/ ABS |
| Options | HistoROM/M-Dat 4-line digital display SS- or Aluminiumhousing Separate housing |
| Successor | PMP71B |
| Application limits | Measuring cell: Metal welded If pressurized, possibly use differential pressure meas-urement with two pressure transmitters (electronic dp). Observe ratio head pressure : hydrostatic pressure |
Pressure
| Measuring Principle | Absolute and gauge pressure |
| Characteristic | Digital transmitter with piezoresistive sensor and diaphragm seal Modular transmitter Long term stability Enhanced safety via self diagnostic functions Available with diaphragm seals and advanced condensation resistance (Contite) functionality Intuitive and clear wizard for commissioning proof tests and verification. |
| Supply voltage | 4...20 mA HART 10,5…35V DC (Non Ex, Exd, Ex e): Ex ia: 10,5...30V DC PROFINET with Ethernet-APL 9,6…15V DC PROFIBUS PA: 9...32 V DC (Non Ex, Ex d, Exe) 9…24V DC (Ex i) |
| Reference Accuracy | Standard: bis 0,05 % Platinum: bis 0,025 % |
| Long term stability | 0,05 % von URL/ Jahr 0,07 % von URL/ 5 Jahre 0,10 % von URL/ 10 Jahre |
| Process temperature | Standard: -40°C…+125°C Druckmittler: -70°C...+250°C |
| Ambient temperature | -40°C...85°C (-58°F...185°F) |
| Measuring cell | 100 mbar…100 bar (1.5 psi…1500 psi) relative/ absolute |
| Smallest calibratable span | 5 mbar (0.075 psi) |
| Vacuum resistance | 5 mbar (0.075 psi) |
| Max. Turn down | 100:1 |
| Max. overpressure limit | 400 bar (6.000 psi) |
| Process connection | Thread: G1/2...G2,MNPT1/2...MNPT2 Flange: DN25…DN80, NPS 1"…3" Diaphragm seal |
| Process connection hygienic | Tri-Clamp DIN11851 DIN11864 NEUMO Varivent SMS DRD Anderson Sanitary tank spud Universal adapter |
| Material process membrane | 316L AlloyC |
| Material gasket | None, diaphragm welded |
| Fill fluid | Silicone oil, Synthetic oil, Vegetable oil, High temperature oil, |
| Material housing | Aluminum, 316L hygiene |
| Communication | 4…20mA 4...20 mA HART PROFIBUS PA PROFINET mit Ethernet-APL Bluetooth® drahtlose Technologie und App (optional) |
| Certificates / Approvals | ATEX, CAN/US, IEC Ex, JPN Ex,KC Ex, INMETRO, NEPSI, UK Ex |
| Safety approvals | SIL |
| Design approvals | EN10204-3.1 |
| Hygienic approvals | CoC ASME-BPE cGMP 3A EHEDG |
| Drinking water approvals | Trinkwasserzulassungen KTW NSF |
| Specialities | Heartbeat Technologie, Bluetooth® Bedienung und Wartung mit der SmartBlue App, LED- Modul, RFID-TAG zur einfachen Identifikation, "Plug and play" Funktionen, HistoROM |
| Successor | PMP63B |
The Cerabar PMP75 digital pressure transmitter with metal diaphragm seal is mainly used in the process industry and the hygiene sector and can measure the pressure, level, volume and mass of liquids or gases. The transmitter is suitable for high-temperature and high-pressure applications with a temperature range from -70 to 400 °C. The measuring range is adjustable and can be set quickly, saving cost and time. The design complies with the IEC 61508 standard for SIL2/3 functional safety systems.
Advantages
A large number and variety of diaphragm seal materials and process connections
HistoROM®/M-DAT memory unit enables traceability of device settings and measured values
Developed and designed according to IEC 61508 for SIL2/3 safety systems (min., max., range)
Overload protection and 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; seamless, independent system integration (HART/PA/FF)
Hermetically sealed feedthrough provides a standard second line of defense
New TempC diaphragm minimizes temperature influence with short recovery time
Areas of application
Dual-compartment aluminum or stainless steel (316L) housing
Process connection: thread, flange or hygienic connection
Temperature range: -70 to +400°C (-94 to +752°F)
Pressure range: +100mbar to +400bar (+1.5 to +5,800psi)
Accuracy: ±0.075%
International explosion protection approval, WHG overflow protection, EN 10204-3.1, marine approval, 3A approval
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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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