Technical Data
CompareContinuous / Liquids
| Measuring Principle | Absolute and gauge pressure |
| Characteristic / Application | Pressure transmitter with metal membrane for accurate measurement in liquids or gases. Available with diaphragm seals. Intuitive and clear wizard for commissioning |
| Specialities | Bluetooth® Operation and maintenance SmartBlue App, RFID TAG for easy identification, Plug and play functionalities |
| Supply / Communication | Ex d, Ex e, non-Ex: 10.5...35V DC Ex i: 10.5...30V DC |
| Accuracy | Standard: up to 0.075 % Platinum up to 0.055 % |
| Long term stability | 0.1 % of URL/ year 0.2 % of URL/ 5 years 0.25 % of URL/ 10 years |
| Ambient temperature | -40°C...+85°C (-40°F...+185°F) |
| Process temperature | Standard: -40°C…+125°C (-40°F…+257°F) Diaphragm seal: -40°C...+400°C (-40°F...+752°F) |
| Process pressure / max. overpressure limit | 700 bar (10,500 psi) |
| Pressure measuring range | 400 mbar... 400 bar (6psi...6,000psi) |
| Main wetted parts | 316L, AlloyC, Tantal, Monel, PTFE |
| Process connection | Thread: G1/2...G2, R1/2, MNPT3/4...MNPT2, FNPT1/2 Flange: DN25...DN80, NPS 1"...3" |
| Max. measurement distance | 4000 m (13,123 ft) H2O |
| Communication | 4...20 mA, 4...20 mA HART PROFINET with Ethernet-APL Bluetooth® wireless technology and app (optional) |
| Certificates / Approvals | ATEX, IEC Ex, CSA C/US, NEPSI |
| Safety approvals | SIL |
| Design approvals | EN 10204-3.1 NACE MR0175, NACE MR0103, AD2000 |
| Drinking water approvals | NSF |
| Options | Diaphragm seal |
| Application limits | Measuring cell: Metal welded 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 | Pressure transmitter with metal membrane for accurate measurement in liquids or gases. Available with diaphragm seals. Intuitive and clear wizard for commissioning |
| Supply voltage | Ex d, Ex e, non-Ex: 10.5...35V DC Ex i: 10.5...30V DC |
| Reference Accuracy | Standard: up to 0.075 % Platinum: up to 0.055 % |
| Long term stability | 0.1% of URL/year 0.2% of URL/ 5 years 0.25% of URL/ 10 years |
| Process temperature | Standard: -40°C…+125°C (-40°F…+257°F) Diaphragm seal: -70°C...+400°C (-x°F...+752°F) |
| Ambient temperature | -40°C...+85°C (-40°F...+185°F) |
| Measuring cell | 400 mbar...400 bar (6psi...6,000psi) |
| Smallest calibratable span | 20 mbar (0.3 psi) |
| Vacuum resistance | Standard:10 mbar (0.145 psi) Diaphragm seal: 50 mbar (0.725 psi) |
| Max. Turn down | 100:1 |
| Max. overpressure limit | 600 bar (9,000 psi) |
| Process connection | Thread: G1/2...G2, R1/2, MNPT3/4...MNPT2, FNPT1/2 Flange: DN25...DN80, NPS 1"...3" |
| Material process membrane | 316L, AlloyC, Tantal, Monel, PTFE |
| Material gasket | PTFE |
| Fill fluid | Silicone oil, Inert oil, Vegetable oil, High/ low temperature oil |
| Material housing | Aluminium |
| Communication | 4...20 mA, 4...20 mA HART PROFINET with Ethernet-APL Bluetooth® wireless technology and app (optional) |
| Certificates / Approvals | ATEX, IEC Ex, CSA C/US, NEPSI |
| Safety approvals | SIL |
| Design approvals | EN10204-3.1, NACE MR0175, NACE MR0103 |
| Drinking water approvals | NSF |
| Specialities | Bluetooth® Operation and maintenance SmartBlue App, RFID TAG for easy identification, Plug and play functionalities |
The PMP51B is a member of the new generation of Cerabar transmitters. The instrument offers many advantages, such as convenient on-site or remote operation and condition-based maintenance, more effectively preventing unplanned downtime.
The software is also very simple to use. The intuitive operating wizard guides the user step by step through instrument setup, functional safety tests and verification tests, minimizing the risk of operating errors. Using a mobile device and a secure Bluetooth connection, the transmitter can be controlled remotely via an app.
Advantages
Reduced risk of system failure, error-free SIL commissioning and guided instrument functional safety tests
Fewer on-site accidents and protection of devices installed at hard-to-reach measuring points
Use the SmartBlue App to wirelessly and remotely control devices in the production area without interrupting the production process
Application areas
Maximum applicable pressure: 400 bar (6000 psi)
Maximum temperature of instruments with diaphragm seal systems: 400°C (752 °F)
Maximum measuring accuracy: +/- 0.055%
E+H Product Model Configurator
Please enter the product model to configure
Product comparison
Please enter the product models to compare in the input fields below; up to three products can be compared
Technical documentation
Technical data
Documents / Manuals / Software
Accessories / Spare parts
Source:Endress+Hauserpublic information from the website
Related Models
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。
