Cerabar PMP50

Summary

Product identification

• Product Name: Cerabar PMP50 HART
• Manufacturer: Endress+Hauser
• Type: Pressure transmitter with metal process membrane
• Communication Protocol: HART

Applications

• Pressure measuring ranges: up to 400 bar (6,000 psi)
• Process temperatures: up to 400 °C (752 °F) with diaphragm seal
• Accuracy: up to ±0.055%

Key Features & Advantages

• Easy guided commissioning with intuitive user interface
• Use of proven software and measuring cell components
• Flexible write protection via hardware and/or software
• Pre-assembled values (pressure and leakage-tested) for faster installation

Technical Specifications

Input

• Measured Variable: Absolute pressure, Gauge pressure
• Measuring Ranges (Absolute Pressure):
  • Measuring cell: 1 bar (15 psi) to 400 bar (6,000 psi)
  • Maximum measuring range (URL): +1 barabs to +400 barabs
  • Smallest calibratable span: 0.05 bar to 20 bar
• Measuring Ranges (Gauge Pressure):
  • Measuring cell: 1 bar (15 psi) to 400 bar (6,000 psi)
  • Maximum measuring range (URL): +1 bar to +400 bar
  • Smallest calibratable span: 0.05 bar to 20 bar
• Maximum Working Pressure (MWP): Varies by measuring cell, up to 400 bar (6,000 psi) at +20 °C (+68 °F).
• Overpressure Limit (OPL): Varies by measuring cell and process connection, up to 2000 bar (29000 psi) for 400 bar measuring cell.

Output

• Output Signal: 4 to 20 mA with HART communication protocol, 2-wire
• Operating Modes:
  • 4.0 to 20.5 mA
  • NAMUR NE 43: 3.8 to 20.5 mA (factory setting)
  • US mode: 3.9 to 20.8 mA
• Signal on Alarm: In accordance with NAMUR recommendation NE 43 (Max alarm: 21.5 to 23 mA, Min. alarm: < 3.6 mA).
• Load: Up to 1065 Ω (VDC) or 848 Ω (VAC) depending on supply voltage.
• Damping: Continuously adjustable from 0 to 999 s (factory setting: 1 s).
• Linearization: User-defined tables of up to 32 value pairs can be entered.

Energy Supply

• Supply Voltage:
  • Ex d, Ex e, non Ex: 10.5 to 35 VDC
  • Ex i: 10.5 to 30 VDC
• Power Consumption: Maximum supply current limited to 500 mA.

Performance Characteristics

• Response Time (HART):
  • Acyclic: min. 330 ms, typically 590 ms
  • Cyclic (burst): min. 160 ms, typically 350 ms
• Reference Operating Conditions: As per IEC 62828-2 (Ambient temperature TA = +22 to +28 °C, Humidity = 5 to 80% RH, Ambient pressure = 860 to 1,060 mbar).
• Total Performance: Comprises reference accuracy and ambient temperature effect.
• Reference Accuracy [E1]:
  • Standard device: Up to ±0.055% (Platinum) or ±0.065% (Standard) depending on measuring cell and TD.
  • Devices with diaphragm seal: Up to ±0.15% for TD 1:1 to 5:1.
• Temperature Effect [E2]: Varies by measuring cell size and TD.
• Resolution (Current output): < 1 μA.
• Long-term Stability:
  • 1 year: ± 0.1 %
  • 5 years: ± 0.2 %
  • 10 years: ± 0.25 %

Environment

• Ambient Temperature Range: –40 to +85 °C (–40 to +185 °F). With color display, limitations apply above +60 °C (+140 °F).
• Storage Temperature: –40 to +85 °C (–40 to +185 °F).
• Operating Altitude: Up to 5,000 m (16,404 ft) above sea level.
• Climate Class: Class 4K4H (–20 to +55 °C, 4 to 100% RH).
• Degree of Protection: IP66/68, TYPE 4X/6P for housing and process connection.

Mechanical Construction

• Materials in Contact with Process: Refer to specific product configuration.
• Weight: Refer to specific product configuration.

Certifications and Approvals

• CE mark
• RCM-Tick marking
• Hazardous area approvals (details in Safety Instructions)
• EAC conformity
• Pressure Equipment Directive 2014/68/EU (PED)

---

Disclaimer: This extraction may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror