E&H PMP75 pressure transmitter

E&H PMP75 pressure transmitter

Product Overview

The Endress+Hauser Cerabar PMP75 is a digital pressure transmitter engineered with a fully welded metal diaphragm seal, purpose-built for process and hygiene applications requiring extreme temperature handling combined with high-pressure measurement capability. As a member of the Cerabar S platform, the E&H PMP75 excels in measuring absolute and gauge pressure, level, volume, and mass in liquids, gases, steam, and across process industries.-11

What sets the PMP75 apart from its Cerabar family counterparts is its exceptional thermal performance. While the PMP51 handles process temperatures up to 130°C and the PMP71 reaches 125°C, the Cerabar PMP75 extends the operating envelope dramatically to 400°C (752°F) on the high end while withstanding cryogenic conditions down to -70°C (-94°F).-11-2 This temperature resilience, achieved through advanced TempC membrane technology, makes the PMP75 the definitive choice for steam systems, thermal oil circuits, chemical reactors, industrial furnaces, and high-temperature hygienic processing.

The transmitter operates on a piezoresistive measuring cell with a metal welded process isolating diaphragm, delivering overload-resistant, function-monitored performance across a pressure measuring range from 100 mbar to 400 bar (1.5 psi to 5800 psi), with the measuring cell itself capable of reaching 700 bar (10,150 psi) for absolute/relative measurement.-1-11 The overpressure limit of 1050 bar (15,200 psi) provides substantial safety margins for fluctuating process conditions.-2

Key Technical Specifications

Sources: Compiled from Endress+Hauser technical documentation-1-11-2.

Model Code Breakdown: PMP75-BBB1FBEAFAAA

The complete product designation PMP75-BBB1FBEAFAAA encodes all device configuration choices through a structured alphanumeric ordering system. Endress+Hauser provides full code breakdowns via their online Device Viewer (www.endress.com/deviceviewer). Below is the detailed interpretation:

Interpretation Summary: The PMP75-BBB1FBEAFAAA is a non-hazardous area pressure transmitter with basic 4-20 mA analog output, aluminum housing, M20x1.5 electrical connection, standard 316L wetted parts and membrane, and standard reference accuracy of ±0.075%. This configuration is ideal for general industrial high-temperature applications up to 400°C where explosion protection and HART communication are not required, offering a cost-effective solution for straightforward pressure monitoring tasks in extreme thermal environments.

Functional Capabilities and Applications

The Cerabar PMP75 is engineered for extreme operating conditions across multiple industries:

High-temperature pressure measurement in steam systems, thermal oil circuits, chemical reactors, industrial furnaces, and heat treatment processes, with process temperatures reaching 400°C (752°F)

Low-temperature cryogenic applications down to -70°C (-94°F) for cold climate installations and specialized process conditions

Absolute and gauge pressure measurement in gases, steam, or liquids across all areas of process engineering and process measurement technology

Level, volume, or mass measurement in liquids using the device‘s level operating mode and freely programmable characteristic curve for different tank shapes

Hygienic processing with flush-mounted process connections and 3A/EHEDG certifications for food, beverage, and pharmaceutical industries

Marine and offshore environments with GL/ABS marine approvals

The TempC Membrane technology, a patented innovation, minimizes the influence of ambient and process temperature fluctuations, significantly reducing recovery time and enhancing measurement stability in thermally dynamic environments.-19-8

The HistoROM®/M-DAT data management concept enables fast and easy commissioning, maintenance, and diagnostics by storing device settings and measurement history for traceability.-11-19

Performance and Accuracy

The PMP75 delivers outstanding measurement integrity through its welded metal diaphragm seal technology:

High reference accuracy up to ±0.05% for Platinum version applications requiring precision measurement

Turn down up to 100:1 enables flexible span adjustment without compromising performance; higher ratios available on request

Overload-resistant and function-monitored from the measuring cell to the electronics ensures continuous operation integrity

Gas-tight feedthrough provides a standard secondary process barrier, delivering the highest safety levels for hazardous applications

Long-term stability of 0.05% of URL/year minimizes recalibration frequency and maintenance costs

The optional Platinum version achieves ±0.05% reference accuracy, suitable for custody transfer and critical process control applications requiring precision measurement.

Electrical Interfaces and Communication

The E&H PMP75 pressure transmitter supports multiple communication protocols for seamless integration into existing control architectures:

Easy menu-guided commissioning is available via optional local display or remotely through any supported protocol, with Quick Setup menus for basic parameter configuration that reduce costs and save time.

Quality and Compliance

The PMP75 is manufactured under strict quality standards and carries numerous global certifications:

For process pressure monitoring up to SIL3, the PMP75 is certified for use in safety instrumented systems (SIS), enhancing plant safety and regulatory compliance.-18

Common Stock Configurations

Several PMP75 configurations are regularly available from distributors: