Endress Hauser Cerabar Pressure Transmitter PMP50
Product Overview
The Cerabar PMP50 is a pressure transmitter from Endress+Hauser, designed with a fully welded metal membrane for highly accurate measurement of liquids and gases. It is optimized for standard applications across various industries, providing intuitive operation and robust performance.
Key Features and Benefits
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High Accuracy: Offers reference accuracy up to ±0.055% (Platinum version) for precise and reliable measurements.
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Versatile Measuring Range: Capable of measuring pressure up to 400 bar (6000 psi). The measuring cell covers a range from 1 bar to 400 bar with a maximum turndown of 20:1.
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Wide Temperature Capability: Handles process temperatures from -40°C to +125°C (-40°F to +257°F) in its standard configuration. With a diaphragm seal, this range extends from -70°C to +400°C (-94°F to +752°F).
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User-Friendly Commissioning: Features a software wizard that enables fast and straightforward setup. On-device operation is supported by intuitive zero/span buttons and an optional color display accessible via magnetic buttons.
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Robust Safety and Compliance: Developed in accordance with IEC 61508 for functional safety (SIL), offering flexible write protection via hardware or software. It holds numerous international approvals including ATEX, FM, and IECEx for hazardous area use.
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Durable Construction: The process membrane is available in materials like 316L, AlloyC, and Gold to ensure compatibility with various media. The housing is offered in aluminum or 316L stainless steel for durability in harsh environments.
Technical Specifications (at a Glance)
| Specification | Detail |
|---|---|
| Measuring Principle | Absolute and Gauge Pressure |
| Supply Voltage | Non-Ex/Ex d/Ex e: 10.5…35 VDC; Ex i: 10.5…30 VDC |
| Reference Accuracy | Standard: up to 0.065 %; Platinum: up to 0.055 % |
| Long-term Stability | 0.05 % of URL/year |
| Smallest Calibratable Span | 20 mbar (0.29 psi) |
| Process Connections | Thread: G1/2, NPT1/2; Flange: DN25…DN80, NPS 1″…3″ |
| Communication | 4…20 mA HART |
| Fill Fluid | Silicone oil, high-temperature oil, inert oil |
The Cerabar PMP50 is a robust, versatile, and reliable solution for standard pressure measurement applications, combining high performance with ease of use and a strong focus on safety and operational security.






