Technical Data
CompareContinuous / Liquids
| Measuring Principle | Differential pressure |
| Characteristic / Application | Transmitter with metal membrane for differential pressure monitoring in liquids or gases. Intuitive and clear wizard for commissioning. |
| Specialities | Zero/Span buttons, Testclamp, RFID TAG for easy identification |
| Supply / Communication | Ex d, Ex e, non-Ex: 10.5...35V DC Ex i: 10.5...30V DC |
| Accuracy | Standard: up to 0.065 % 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 | -40°C...+110°C (-40°F...+230°F) |
| Process connection | NPT1/4-18 |
| Communication | 4...20 mA HART |
| Certificates / Approvals | ATEX, FM, IECEx, JPN Ex, INMETRO, NEPSI |
| Safety approvals | SIL |
| Design approvals | EN10204-3.1, NACE MR0103, NACE MR0175 |
Pressure
| Measuring Principle | Differential pressure |
| Characteristic | Transmitter with metal membrane for differential pressure monitoring in liquids or gases. 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 0.065 % Platinum: up to 0.05 % |
| Long term stability | 0.1 % of URL/ year 0.2 % of URL/ 5 years 0.25 % of URL/ 10 years |
| Process temperature | -40°C...+110°C (-40°F...+230°F) |
| Ambient temperature | -40°C...+85°C (-40°F...+185°F) |
| Measuring cell | 100 mbar...40 bar (1.45 psi...580 psi) |
| Smallest calibratable span | 0.3 mbar (0.0043 psi) |
| Vacuum resistance | 25 mbar (0.0375 psi) |
| Max. Turn down | 100:1 |
| Max. overpressure limit | 375 bar (5625 psi) |
| Process connection | NPT1/4-18 |
| Material process membrane | 316L, AlloyC, Gold |
| Material gasket | PTFE, FKM, EPDM, FFKM |
| Fill fluid | Silicone oil, Inert oil |
| Material housing | Aluminum, 316L |
| Communication | 4...20 mA HART |
| Certificates / Approvals | ATEX, FM, IECEx, JPN Ex, INMETRO, NEPSI |
| Safety approvals | SIL |
| Design approvals | EN10204-3.1, NACE MR0103, NACE MR0175 |
| Specialities | Zero/Span buttons, Testclamp, RFID TAG for easy identification |
Deltabar PMD50 - differential pressure transmitter
Transmitter with metallic diaphragm for measuring differential pressure, level and flow of liquids and gases
Advantages
Software wizards enable fast and simple commissioning
Device developed in accordance with IEC 61508
Flexible write protection via hardware and/or software wizards
Pre-assembled manifold (pressure and leak tested) for faster installation
Field of application
The Deltabar PMD50 is a differential pressure transmitter with a metallic diaphragm for measuring liquids and gases. It is optimized for standard applications and offers intuitive operating functions.
Pressure measuring range: up to 40 bar (600 psi)
Process temperature up to 400°C (752°F) when using diaphragm seals
Accuracy: up to +/-0.055%
Benefits
Software wizards enable fast and simple commissioning
Device developed in accordance with IEC 61508
Flexible write protection via hardware and/or software wizards
Pre-assembled manifold (pressure and leak tested) for faster installation
Lean selection
Standard product
Reliable, robust, low maintenance
E+H product configurator
Please enter the product order code to configure
Product comparison
Please enter the order codes of the products you wish to compare in the fields below (up to three products)
Technical documentation
Technical data
Documents/Manuals/Software
Accessories/Spare parts
Source:Endress+Hauserpublic information from the website
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Case Studies
市政污水处理污水处理厂 · 差压测量应用案例
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，对差压测量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差压测量，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 · 差压测量应用案例
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，对差压测量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差压测量，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 · 差压测量应用案例
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，对差压测量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差压测量，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 · 差压测量应用案例
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，对差压测量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差压测量，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。
