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The Cerabar PMP55 is an intelligent pressure transmitter from E+H, featuring a fully welded metal diaphragm seal. Designed specifically for extreme conditions of ultra-high temperature, high pressure, and strong corrosion, it excels in pressure and level measurement under harsh environments, while also offering functional safety and hygienic certification.
Core Advantages
High-temperature compatibility: PMP51 up to 130°C, PMP55 up to 400°C, suitable for high-temperature steam, heated reactors, and similar applications.
Diaphragm sealing technology: Fully welded metal diaphragm with filling fluid isolates sensors from high-temperature or corrosive media, protecting the sensor and extending service life.
Strong corrosion resistance: Multiple wetted material options (tantalum, Alloy C, etc.) enable use in extreme media such as strong acids, strong alkalis, and high-salinity environments.
Dual certification for functional safety and hygiene: Globally certified for SIL2, 3-A, EHEDG, explosion protection (Ex ia/ib), and marine classification (DNV).
Modular design: Display and electronic modules can be replaced individually, reducing maintenance costs and downtime; compatible with PMP51/PMC51 platforms, enabling interchangeable spare parts.
Specifications
Measurement Principle:Piezoresistive principle with metal measuring diaphragm
Supply voltage 4... 20 mAHART:Non-explosion-proof: 11.5... 45 VDC; Ben An: 11.5... 30VDC
PROFIBUS PA/FF, non-explosion-proof:9... 32VDC
Output:4... 20 mA. 4... 20 mA HART. PROFIBUS PA. FF. 4... 20 mA IO-Link
Process Connection:Diaphragm seal process connection, flange, threaded, sanitary connection
Calibration:5-point / 10-point
Other Certifications:3.1/NACE material certificate SIL; Hull certification; sanitary certification
Enclosure:Optional split-type enclosure
Typical Applications
Process Industry: High-temperature and high-pressure pipelines/containers in chemical, oil & gas, power, and metallurgy industries for pressure, level, volume, or mass measurement by Endress+Hauser.
Hygienic Industry: Sterile/clean environments in food, and consumer goods, supporting measurements of high-temperature steam and highly viscous media by Endress+Hauser.
Functional Safety: Complies with SIL2 (IEC 61508/IEC 61511) for safety-related pressure monitoring.
Special Conditions: Highly corrosive media (e.g., acids and alkalis), high-temperature steam, high-viscosity or particulate-laden media, and applications requiring remote-sealed transmission.
The PMP55 is E+H's flagship pressure transmitter designed specifically for extreme high-temperature, high-pressure, and highly corrosive conditions. Equipped with three core technologies—diaphragm sealing, TempC diaphragm, and multi-material compatibility—it effectively addresses challenges such as high temperature, corrosion, and remote transmission. Widely used in high-end process industries including chemical, oil & gas, the PMP55 is the preferred choice for pressure measurement in demanding operating environments.
