Endress+hauser PMD75 Differential pressure Deltabar PMD75
- Piezoresistive sensor, metallic membrane.
- SIL2/3, IEC 61508 compliant.
- HistoROM data module included.
- Accuracy: ±0.05% (0.035% optional).
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Description
Endress+Hauser PMD75: Precision for All Industries
The Endress+Hauser Deltabar PMD75 is a state-of-the-art differential pressure transmitter, engineered to deliver continuous and highly accurate measurements across a multitude of industrial applications. Featuring a robust piezoresistive sensor and a welded metallic membrane, this device is perfectly suited for handling liquids, vapors, and gases with exceptional reliability. Its intuitive 3-key operation simplifies commissioning and ongoing usage, making it user-friendly even in complex industrial environments. A notable feature is the integrated HistoROM data module, which provides easy management of critical process and device parameters, streamlining maintenance and diagnostics. Furthermore, the PMD75 is designed in accordance with IEC 61508, making it a dependable choice for deployment in SIL2/3 safety applications, where precision and reliability are paramount.
Diverse Applications: Level, Flow, Differential Pressure
The versatility of the Endress+Hauser Deltabar PMD75 allows it to excel in a broad spectrum of specialized applications critical to industrial processes. It is expertly utilized for precise level, volume, or mass measurement in liquids, providing essential data for inventory management and process control. Beyond this, the PMD75 is indispensable for meticulous differential pressure monitoring, which is crucial for maintaining optimal conditions in reactors, tanks, and pipelines. When paired with appropriate primary elements, it accurately measures flow, determining both volume and mass flow rates in gases, vapors, and liquids. This comprehensive capability ensures that the PMD75 is a vital instrument across industries, enabling efficient process control, safety compliance, and optimized resource utilization through precise and continuous measurement.
Simplified Operations: HistoROM, Easy Commissioning
The Endress+Hauser Deltabar PMD75 redefines ease of use with its thoughtfully designed operational features, ensuring efficient and reliable management throughout its lifecycle. Its 3-key operation and clear, menu-guided local display provide an intuitive interface for quick and precise commissioning, reducing setup time and minimizing potential errors. A key innovation is the integrated HistoROM data management concept, which allows for fast and easy commissioning by storing critical device and process parameters. This module also facilitates streamlined maintenance and diagnostics by providing immediate access to historical data. This combination of user-friendly controls and intelligent data management ensures that the PMD75 not only performs with high accuracy but also simplifies the entire operational workflow, from installation to ongoing monitoring and troubleshooting.
Unmatched Reliability: Accuracy and Stability
When it comes to process measurement, the Endress+Hauser Deltabar PMD75 stands out with its best-in-class accuracy, reproducibility, and long-term stability. The device offers a standard accuracy of ±0.05%, with an optional “Platinum” version pushing precision even further to an impressive ±0.035%. This exceptional accuracy ensures that critical process variables are measured with utmost reliability, forming the foundation for precise control and optimized outcomes. Complementing its accuracy is outstanding long-term stability, with drift as low as 0.03% of URL per year, 0.05% of URL over 5 years, and 0.08% of URL over 10 years. This superior stability minimizes measurement deviations over extended periods, drastically reducing the need for frequent recalibration and ensuring consistent performance, thereby contributing significantly to operational efficiency and cost savings.
Built for Safety: SIL2/3 and Gas-Tight Design
Safety in industrial environments is non-negotiable, and the Endress+Hauser Deltabar PMD75 is explicitly engineered to meet and exceed the most rigorous safety standards. It achieves the highest level of safety due to its gas-tight feedthrough, a critical design feature that ensures robust integrity in hazardous conditions. Certified to IEC 61508, the PMD75 is designed for use in SIL2/3 safety applications, making it an ideal choice for safety-instrumented systems where reliable performance is paramount for preventing accidents and protecting personnel and assets. This adherence to strict safety standards, combined with its inherent robustness and dependable measurement capabilities, ensures that the PMD75 not only delivers accurate data but also serves as a critical component in maintaining a safe and secure operational environment across all industries.
Cost-Saving Modularity: Easy Replacement Concept
The Endress+Hauser Deltabar PMD75 features a highly intelligent modular concept that translates directly into significant cost savings and enhanced operational flexibility. This design allows for the easy replacement of key components such as the sensor, display, or electronics, without needing to replace the entire unit. This modularity not only simplifies maintenance procedures but also reduces inventory requirements for spare parts, as fewer complete devices need to be stocked. In the event of a component failure or an upgrade, technicians can quickly swap out the affected module, minimizing downtime and labor costs. This forward-thinking approach ensures that the PMD75 remains a cost-effective solution throughout its long operational lifespan, making it an economically smart investment for any industrial application.
Robust & Resilient: Overload Resistance, Wide Range
The Endress+Hauser Deltabar PMD75 is built for endurance and resilience, designed to withstand the most demanding operational pressures and environmental conditions. It boasts impressive overload resistance, capable of handling up to 420 bar (6300 psi) on one side, ensuring continued functionality even during unexpected pressure surges. The device maintains its precision across a wide process temperature range of -40°C to +85°C (-40°F to +185°F) and an ambient temperature range of -50°C to +85°C (-58°F to +185°F), making it suitable for extremely hot or cold climates. Its measuring cell accommodates ranges from 10 mbar to 250 bar (0.15 psi to 3750 psi), with a smallest calibratable span of 1 mbar and a vacuum resistance of 50 mbar, providing exceptional adaptability for diverse applications.
Specifications
-
Measuring principle
Differential pressure
-
Characteristic
Digital transmitter with metallic measuring diaphragms
Modular transmitter
Long-term stability
High static pressure/Overload resistance
Secondary 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 0.035% -
Long term stability
0.03 % of URL/ year
0.05 % of URL/ 5 years
0.08 % of URL/ 10 years -
Process temperature
-40°C…85°C
(-40°F…185°F) -
Ambient temperature
-50°C…85°C
(-58°F…185°F) -
Measuring cell
10 mbar…250 bar
(0.15 psi…3750 psi) -
Smallest calibratable span
1 mbar (0.015 psi)
-
Vacuum resistance
50 mbar (0.73 psi)
-
Max. Turn down
100:1
-
Max. overpressure limit
On one side:
420 bar
(6300psi) -
Process connection
1/4-18NPT
RC1/4″ -
Material process membrane
316L, AlloyC,
Tantal,
Gold-Rhodium -
Material gasket
Viton, PTFE, EPDM, NBR
-
Fill fluid
Silicone oil
Inert oil -
Material housing
316L, Die-cast aluminum
-
Communication
4…20 mA HART
PROFIBUS PA
FOUNDATION Fieldbus -
Certificates / Approvals
ATEX, FM, CSA, CSA C/US, IEC Ex, INMETRO, NEPSI, EAC, UK Ex
-
Safety approvals
SIL
-
Design approvals
NACE MR0103
EN10204-3.1 -
Marine approvals
GL/ ABS
-
Specialities
Diagnostic functions
-
Successor
PMD75B








