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 | Bluetooth® Operation and maintenance with 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 | 0.05 % of URL/ year 0.13 % of URL/ 5 years 0.23 % 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 pressure / max. overpressure limit | 250 bar (3750 psi) |
| Pressure measuring range | 10 mbar.... 40 bar (0.15 psi... 600 psi) |
| Main wetted parts | 316L, AlloyC |
| Process connection | NPT 1/4-18, RC1/4" |
| Communication | 4...20 mA HART PROFINET with Ethernet-APL Bluetooth® wireless technology and app (optional) |
| Certificates / Approvals | ATEX, CSA, IECEx, JPN Ex, KC, INMETRO, NEPSI, UK Ex |
| Safety approvals | SIL |
| Design approvals | EN 10204-3.1, NACE MR0175, NACE MR0103, AD2000 |
| Drinking water approvals | NSF, KTW |
| Application limits | None |
Gas
| Measuring Principle | Differential pressure |
| Product headline | Smart transmitter with metal membrane for differential pressure monitoring. Accurate differential pressure-, level- or flow measurement in liquids or gases. |
| Sensor features | Fill fluid: Inert oil, Silicone oil |
| Transmitter features | Bluetooth® Operation and maintenance Smartblue App, RFID TAG for easy identification, Plug and play functionalities |
| Wetted materials | 316L, Alloy |
| Measuring range | 10 mbar...40 bar (0.15 psi...600 psi) |
| Medium temperature range | -40°C...+110°C (-40°F...+230°F) |
| Ambient temperature range | -40°C...+85°C (-40°F...+185°F) |
| Transmitter housing material | Aluminium |
| Display/Operation | Configuration via local display and operating tools possible Remote display available |
| Outputs | 4...20 mA HART |
| Digital communication | HART |
| Hazardous area approvals | ATEX, CSA, IECEx |
| Functional safety | SIL |
| Material certificates | EN10204-3.1, NACE MR0175, NACE MR0103 AD2000 |
Liquids
| Measuring Principle | Differential pressure |
| Product headline | Smart transmitter with metal membrane for differential pressure monitoring. Accurate differential pressure-, level- or flow measurement in liquids or gases. |
| Sensor features | Fill fluid: Inert oil, Silicone oil |
| Transmitter features | Bluetooth® Operation and maintenance SmartBlue App, RFID TAG for easy identification, Plug and play functionalities |
| Wetted materials | 316L, Alloy |
| Measuring range | 10 mbar...40 bar (0.15 psi...600 psi) |
| Medium temperature range | -40°C...+110°C (-40°F...+230°F) |
| Ambient temperature range | -40°C...+85°C (-40°F...+185°F) |
| Transmitter housing material | Aluminium |
| Display/Operation | Configuration via local display and operating tools possible Remote display available |
| Outputs | 4...20 mA HART |
| Digital communication | HART |
| Hazardous area approvals | ATEX, CSA, IECEx |
| Functional safety | SIL |
| Material certificates | EN10204-3.1, NACE MR0175, NACE MR0103 |
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 0.075 % Platinum: up to 0.055 % |
| Long term stability | 0.05 % of URL/ year 0.13 % of URL/ 5 years 0.23 % 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 | 10 mbar.... 40 bar (0.15 psi... 600 psi) |
| Smallest calibratable span | 0.25 mbar (0.00375 psi) |
| Vacuum resistance | 25 mbar (0.0375 psi) |
| Max. Turn down | 100:1 |
| Max. overpressure limit | 375 bar (5625 psi) |
| Process connection | NPT 1/4-18, RC1/4" |
| Material process membrane | 316L, AlloyC, Gold |
| Material gasket | EPDM, HNBR, FVMQ, |
| Fill fluid | Silicone oil, Inert oil |
| Material housing | Aluminium |
| Communication | 4...20 mA HART PROFINET with Ethernet-APL Bluetooth® wireless technology and app (optional) |
| Certificates / Approvals | ATEX, CSA, IECEx, JPN Ex, KC, INMETRO, NEPSI, UK Ex |
| Safety approvals | SIL |
| Design approvals | EN 10204-3.1, NACE MR0175, NACE MR0103, AD2000 |
| Drinking water approvals | NSF, KTW |
| Specialities | Bluetooth® Operation and maintenance with SmartBlue App, RFID TAG for easy identification, Plug and play functionalities |
PMD55B is a member of the new generation of Deltabar transmitters. The transmitter is robust and supports both on-site and remote operation. The transmitter can be controlled remotely via an app using a mobile device and a secure Bluetooth connection. PMD55B supports on-demand maintenance and significantly improves service efficiency.
The software is equally easy 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.
Benefits
Wireless remote control of devices within the production area using the SmartBlue App, without interrupting the process
Fewer on-site incidents, protecting devices installed at hard-to-reach measuring points
Reduced risk of system failure, error-free SIL commissioning and guided functional safety testing of the instrument
Applications
Maximum working pressure 40 bar (600 psi)
Maximum working static pressure 250 bar (3750 psi)
Highest measurement accuracy of +/-0.055%
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Technical documentation
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Accessories/Spare parts
Source: Endress+Hauserpublic information from the website
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · Differential Pressure Measurement 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 Differential Pressure Measurement.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Differential Pressure Measurement 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 · Differential Pressure Measurement 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 Differential Pressure Measurement.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Differential Pressure Measurement 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 · Differential Pressure Measurement 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 Differential Pressure Measurement.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Differential Pressure Measurement 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 · Differential Pressure Measurement 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 Differential Pressure Measurement.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Differential Pressure Measurement 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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