The Cerabar PMP71 digital pressure measuring transmitter uses a metal diaphragm and is mainly used in the process industry to measure the pressure, level, volume and mass of liquids and gases. The PMP71 is designed for high-pressure measurement applications with a maximum working pressure of up to 700bar. It features a quick setup function and an adjustable measuring range. The design complies with IEC 61508 and meets SIL2/3 functional safety requirements. It is available with a MID custody transfer certificate and is suitable for custody transfer.
Advantages
Precise measurement even under changing process temperature conditions
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 monitoring (max.…min.…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
Optional manifold: also pressure-tested
Seamless, independent system integration (HART/PA/FF)
Areas of application
Dual-compartment aluminum or stainless steel (316L) housing
Process connection: thread, flange
Temperature range: -40 to +125°C (-40 to +257°F)
Pressure range: +100mbar to +700bar (+1.5 to +10,500psi)
Accuracy: ±0.05%, "platinum version" ±0.025%
International explosion protection approval, WHG overflow protection, hygienic approval, marine approval, SIL
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Technical documentation
Technical data
Documents/Manuals/Software
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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 welded metallic 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 | -50°C...85°C (-58°F...185°F) |
| Process temperature | -40°C...125°C (-40°F...257°F) |
| Process pressure / max. overpressure limit | 1050bar (15,750psi) |
| Pressure measuring range | 400 mbar...700 bar (5.8 psi...10.500 psi) |
| Main wetted parts | Alloy C276 316L Rhodium |
| Process connection | Threads Flanges (DIN, ASME, ...) with flush membrane |
| Max. measurement distance | 7000m (22.966ft) H2O |
| Communication | 4...20 mA HART 1- 5V DC Low Power 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 |
| Marine approval | GL/ ABS |
| Drinking water approvals | NSF |
| 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 welded metallic membrane Modular transmitter Long term stability Enhanced safety via self diagnostic functionsSecondary 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 0.07 % of URL/ 5 years 0.1 % of URL/ 10 years |
| Process temperature | -40°C...125°C (-40°F...257°F) |
| Ambient temperature | -50°C...85°C (-58°F...185°F) |
| Measuring cell | 400 mbar...700 bar (5.8 psi...10.500 psi) relative/ absolute |
| Smallest calibratable span | 5 mbar (0.075 psi) |
| Vacuum resistance | 10 mbar (0.15 psi) |
| Max. Turn down | 100:1 |
| Max. overpressure limit | 1050 bar (15.750 psi) |
| Process connection | Thread: G1/2...G2, R1/2, MNPT1/2...MNPT2, R1/2 Flange: DN25...DN80, ASME 1"...4", JIS 10K...20K |
| Material process membrane | 316L, AlloyC, 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 HART 1- 5V DC Low Power PROFIBUS PA FOUNDATION Fieldbus |
| Certificates / Approvals | ATEX, FM, CSA, CSA C/US, IEC Ex, JPN Ex, INMETRO, NEPSI, EAC, UK Ex |
| Safety approvals | SIL |
| Design approvals | EN10204-3.1 NACE MR0175 |
| Marine approvals | GL/ABS |
| Drinking water approvals | NSF |
| Specialities | Diagnostic functions |
| Successor | PMP71B |
Related Models
| Model | Name |
|---|---|
| PMP71-1DA1KE1RDFMA | 压力变送器 |
| PMP71-AAA1WB1GAAAA | 压力变送器 |
| PMP71-ABA1M22GPAAA | 压力变送器 |
| PMP71-ABA1P21GHAAA | 压力变送器 |
| PMP71-ABA1P22GPAAA | 压力变送器 |
| PMP71-ABA1S22GPAAA | 压力变送器 |
| PMP71-ABA1U211AAAA | 压力变送器 |
| PMP71-ABA1UE1GAAAA | 压力变送器 |
| PMP71-ABA1W21GAAAA | 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。
