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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Technical documentation
Technical data
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Source:Endress+Hauserwebsite public information
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 |
Related Models
| Model | Name |
|---|---|
| PMP75-HBA1M21B31AU | 压力变送器 |
Case Studies
市政污水处理污水处理厂 · 表压和绝压应用案例
项目背景
市政污水处理客户在污水处理厂环节，长期面临「出水水质监测精度不足、仪表易受污染导致数据漂移，影响达标排放」的困扰，对表压和绝压的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的表压和绝压，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应市政污水处理复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
食品饮料食品生产线 · 表压和绝压应用案例
项目背景
食品饮料客户在食品生产线环节，长期面临「卫生级测量要求高，在线仪表需耐 CIP/SIP 清洗且精度稳定」的困扰，对表压和绝压的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的表压和绝压，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应食品饮料复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
化工制药反应釜与储罐 · 表压和绝压应用案例
项目背景
化工制药客户在反应釜与储罐环节，长期面临「介质腐蚀性强、工况复杂，仪表需耐腐蚀且防爆」的困扰，对表压和绝压的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的表压和绝压，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应化工制药复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
电力能源电厂锅炉与汽机 · 表压和绝压应用案例
项目背景
电力能源客户在电厂锅炉与汽机环节，长期面临「高温高压工况下测量不稳定，维护停机成本高」的困扰，对表压和绝压的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的表压和绝压，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应电力能源复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
