Endress+Hauser PMP55 Pressure Transmitter

Product Specifications

l Measurement accuracy: 0.15%, Platinum type: 0.075%29

l Process temperature: -70…400 °C (-94…752 °F)139

l Pressure measuring range: 1...400 bar (15...6000 psi)29

l Process pressure (absolute) / Maximum overpressure limit: 600 bar (9000 psi)29

l Main wetted parts: 316L, AlloyC, Montel, tantalum, rhodium4

l Maximum measuring distance: 4000m (13,123 ft) H2O4

l Process diaphragm material: 316L, AlloyC, tantalum, PTFE, rhodium>gold15

l Sensor: 400 bar...400 bar (15...6000 psi) gauge/absolute2

Application Areas

1. The PMP55 is designed for high-pressure and extreme temperature measurement applications, with an operating temperature of up to 400 °C (-94 to 750 °F)139. The quick setup function with an adjustable measuring range saves costs and time135. It complies with IEC 61508 and IEC 61511 standards, meeting SIL2 functional safety requirements135.

2. Single-chamber aluminum or stainless steel (316L) housing15

3. Process connections: Threads, flanges, or hygienic connections15

4. Temperature range: -70 to +400°C (-94 to +752°F)139

5. Pressure range: +400 mbar to +400 bar (+15 to +6,000 psi)

6. Accuracy error: ±0.15%, "Platinum Edition" ±0.075%29

7. International explosion protection certificates, SIL, hygienic certifications, marine certifications5

Endress+Hauser PMP55-AA22IA1PGBTJJA1B+AKJA Advantages

A. A large variety of diaphragm seal materials and process connections

B. Excellent repeatability and long-term stability26

C. Certified by TÜV NORD according to IEC 61508 2.0 and IEC 61511 standards for use in SIL2 functional safety systems for process pressure monitoring13

D. Simple and safe menu-guided operation: can be operated using the on-site display module or remotely via 4 to 20 mA HART, PROFIBUS PA, or FOUNDATION Fieldbus communication

E. Modular design for differential, hydrostatic, and pressure measurement (Deltabar M - Deltapilot M - Cerabar M). For example, replaceable display modules and main electronic modules.

F. Seamless and independent system integration (HART/PA/FF)

G. The New TempC diaphragm minimizes the influence of temperature and provides short recovery times

Absolute and Gauge Pressure Measurement

l Pressure transmitters for continuous level measurement and liquid level limit detection

l Absolute and gauge pressure sensors or switches for continuous measurement enable the safe measurement of liquids and gases in various applications7. Cerabar pressure transmitters and Ceraphant pressure switches provide reliable level measurement in the food industry48. The instruments have several hygienic certifications. SIL industrial process and explosion protection certificates ensure reliable measurement (ensured1359).

Absolute and Gauge Pressure Measurement: Measuring Principle

l Piezoresistive sensor: The process of isolating the diaphragm deforms under operating Pressure, changing the resistance value of the piezo resistors in the Wheatstone bridge, thereby converting Pressure into a voltage signal (monocrystalline silicon semiconductor technology)

l In addition, a 4...20 mA output signal is available.

Advantages

1. Monocrystalline silicon piezoresistive sensor: This sensor can be used in applications where the process pressure does not exceed 700 bar (10,500 psi). It has small, flush-mounted process connections to ensure overload resistance and minimal temperature influence.

2. Diaphragm seal system: offers a variety of unique materials and process connections, with a process temperature range of -70...+400°C (-94...+752°F)139

3. Pressure switch: function check and display of on-site information via LED indicator and digital display, operation and display via a personal computer, stainless steel housing, and laser-etched nameplate available

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