E+H PMP55AA12QA1MGJTJJA4A Absolute Pressure Cerabar

• Extended Product Type: Level Switch

• Product ID: PMC21-AA1U1CBWBJA+F3

• E+H Type Designation: Level Switch

Description of Endress+Hauser PMP55AA12QA1MGJTJJA4A Pressure Cerabar

The Endress+Hauser PMP55AA12QA1MGJTJJA4A Absolute Pressure Cerabar is a high-performance pressure transmitter engineered for accurate absolute pressure measurement in demanding industrial processes. Part of the Endress+Hauser Cerabar PMP55 family, this instrument is designed to deliver exceptional reliability, stability, and long-term measurement accuracy across a wide range of applications.

Built with a robust stainless-steel housing and advanced sensor technology, the Cerabar PMP55 provides precise pressure monitoring in harsh environments including chemical processing, oil and gas, power generation, and water treatment facilities. The transmitter uses a highly stable measuring cell combined with intelligent signal processing to ensure reliable measurement even in conditions involving vibration, temperature fluctuations, and corrosive media.

This model is optimized for absolute pressure measurement, making it ideal for applications where pressure must be measured relative to a perfect vacuum rather than atmospheric pressure. The device supports seamless integration with modern control systems and distributed control systems (DCS) through industry-standard output signals, ensuring efficient monitoring and automation of critical processes.

In addition to measurement accuracy, the Cerabar PMP55 is designed for operational safety and long service life. Its rugged construction, high overload resistance, and advanced diagnostics help reduce downtime and maintenance costs while improving overall plant efficiency.

With its combination of precision, durability, and smart instrumentation capabilities, the Endress+Hauser PMP55AA12QA1MGJTJJA4A is a trusted solution for engineers and plant operators seeking dependable pressure measurement in mission-critical industrial environments.

Technical Specifications for E+H PMP55AA12QA1MGJTJJA4A Pressure Cerabar

Parameter	Specification
Manufacturer	Endress+Hauser
Model Number	PMP55AA12QA1MGJTJJA4A
Product Series	Cerabar PMP55
Measurement Type	Absolute Pressure
Measuring Principle	Piezoresistive pressure sensor
Output Signal	4–20 mA with HART communication
Power Supply	10.5 to 45 V DC
Accuracy	Up to ±0.075% of span
Process Connection	Threaded or flange connection options
Wetted Parts Material	Stainless steel / corrosion-resistant alloys
Housing Material	Aluminum or stainless steel
Process Temperature Range	Up to approximately 125°C (depending on configuration)
Ambient Temperature Range	-40°C to +85°C
Protection Rating	IP66 / IP67
Overpressure Resistance	High overload protection
Calibration	Factory calibrated
Mounting	Direct process mounting
Communication Protocol	HART compatible
Application Category	Industrial pressure measurement

Key Features of E+H PMP55AA12QA1MGJTJJA4A Pressure Cerabar

High Measurement Accuracy
The Cerabar PMP55 provides precise pressure readings with excellent repeatability, ensuring reliable data for process control and safety monitoring.

Robust Industrial Design
The transmitter is designed with a rugged enclosure capable of operating in harsh industrial environments including high humidity, vibration, and extreme temperatures.

Advanced Sensor Technology
Equipped with a stable piezoresistive sensor, the instrument ensures long-term measurement stability and minimal drift over time.

HART Communication Integration
Supports digital communication via HART protocol, enabling remote diagnostics, calibration, and configuration.

Excellent Overpressure Protection
Engineered to withstand pressure spikes and system fluctuations without compromising measurement performance.

Easy Installation and Commissioning
Compact design and flexible mounting options simplify installation in new or existing process systems.

Long Service Life
High-quality materials and precision engineering help reduce maintenance requirements and extend operational lifespan.

Applications for E+H PMP55AA12QA1MGJTJJA4A Pressure Cerabar

The Endress+Hauser Cerabar PMP55 Absolute Pressure Transmitter is widely used across industrial sectors requiring reliable pressure measurement and monitoring.

Oil and Gas Processing

Used for monitoring absolute pressure in pipelines, separators, and storage tanks where accurate pressure data is critical for safe operation.

Chemical Processing Plants

Ideal for measuring pressure in reactors, distillation columns, and chemical storage systems handling aggressive or corrosive media.

Power Generation

Supports monitoring of pressure conditions in steam systems, turbines, and auxiliary plant equipment.

Water and Wastewater Treatment

Used in filtration systems, pumping stations, and treatment processes to maintain stable operating conditions.

Industrial Manufacturing

Provides accurate pressure measurement in automated production environments where process consistency is essential.

Frequently Asked Questions (FAQ)

What is the purpose of an absolute pressure transmitter?

An absolute pressure transmitter measures pressure relative to a perfect vacuum rather than atmospheric pressure. This ensures consistent and accurate measurements regardless of changes in ambient atmospheric conditions.

What industries commonly use the Cerabar PMP55 pressure transmitter?

The Cerabar PMP55 is widely used in oil and gas, chemical processing, power generation, water treatment, and industrial manufacturing applications.

What communication protocol does the transmitter support?

The device supports the HART communication protocol, allowing remote configuration, diagnostics, and integration with industrial automation systems.

What makes the Cerabar PMP55 suitable for harsh environments?

Its stainless steel construction, sealed electronics, and high protection rating allow it to operate reliably in environments with vibration, moisture, and temperature fluctuations.

Does the transmitter require frequent calibration?

No. The Cerabar PMP55 is factory calibrated and designed for long-term stability, reducing the need for frequent recalibration.

What is the typical output signal of the transmitter?

The transmitter provides a standard 4–20 mA analog signal with HART communication for digital data transmission and diagnostics.