Cerabar M PMP51B

Summary

Product identification

• Product: Cerabar PMP51B
• Type: Digital pressure transmitter with metallic process membrane

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%
• Process pressure and level measurement in liquids or gases

Performance characteristics

• Reference operating conditions: As per IEC 62828-2, with constant ambient temperature, humidity, and ambient pressure.
• Total performance: Calculated based on reference accuracy and ambient temperature effect.
• Reference accuracy: Varies by measuring cell and turn down (TD) ratio. For example:
  • Standard device, 400 mbar measuring cell, TD 1:1: ±0.075%
  • Platinum device, 400 mbar measuring cell, TD 1:1: ±0.055%
• Temperature effect (E2):
  • E2M - Main temperature error
  • E2E - Electronics error (0.2% for analog output, 0% for digital outputs)
• Resolution: Current output: < 1 μA
• Long-term stability:
  • 1 year: ±0.10%
  • 5 years: ±0.20%
  • 10 years: ±0.25%
• Response time T63 and T90:
  • Standard device (without diaphragm seal), analog electronics: Dead time max. 50 ms, T63 max. 40 ms, T90 max. 90 ms.
  • Standard device (without diaphragm seal), HART electronics: Dead time max. 50 ms, T63 max. 85 ms, T90 max. 200 ms.
• Warm-up time (according to IEC62828-4): ≤ 5 s

Input

Measured variable

• Absolute pressure
• Gauge pressure

Measuring range

• Absolute pressure: Measuring cells range from 400 mbar (6 psi) to 400 bar (6,000 psi).
  • Maximum working pressure (MWP) up to 400 bar (6,000 psi).
  • Overpressure limit (OPL) up to 600 bar (9,000 psi).
• Gauge pressure: Measuring cells range from 400 mbar (6 psi) to 400 bar (6,000 psi).
  • Maximum working pressure (MWP) up to 400 bar (6,000 psi).
  • Overpressure limit (OPL) up to 600 bar (9,000 psi).

Output

• Output signal:
  • 4 to 20 mA analog, 2-wire
  • 4 to 20 mA with HART communication protocol, 2-wire
  • PROFINET with Ethernet-APL: 10BASE-T1L, 2-wire 10 Mbit
• Signal on alarm: In accordance with NAMUR recommendation NE 43.
  • 4 to 20 mA analog: Signal over-range > 20.5 mA, Signal under-range < 3.8 mA.
  • 4 to 20 mA HART: Max alarm (settable 21.5 to 23 mA), Min alarm < 3.6 mA (factory setting).
  • PROFINET with Ethernet-APL: According to "Application layer protocol for decentralized periphery", Version 2.4; diagnostics according to PROFINET PA Profile 4.02.
• Load:
  • Analog/HART: Load resistance (RLmax) up to 1065 Ω.
  • Supply voltage: 10.5 to 35 VDC.

Power supply

• Analog/HART:
  • Ex d, Ex e, non-Ex: 10.5 to 35 VDC
  • Ex i: 10.5 to 30 VDC
• PROFINET over Ethernet-APL: 9.6 to 15 VDC, 540 mW.

Mechanical construction

• Materials in contact with process: See the official PDF for exact tabulated values.
• Materials not in contact with process: See the official PDF for exact tabulated values.
• Weight: See the official PDF for exact tabulated values.

Mounting

• Orientation:
  • A position-dependent zero point shift can be corrected.
  • Diaphragm seals can also shift the zero point depending on installation position.
  • Use of shutoff devices and/or water pocket pipes is recommended.
• Installation instructions:
  • Standard devices without diaphragm seals mounted similar to pressure gauges (DIN EN837-2).
  • Adjust housing and local display for optimal readability.
  • Mounting brackets available for pipes or walls.
  • Use flushing rings for flanges if buildup or clogging is expected.
  • Prevent moisture penetration into the housing during mounting, connection, and operation.
  • Route cables and plugs downwards.

Environment

• Ambient temperature range: See the official PDF for exact tabulated values.
• Storage temperature: See the official PDF for exact tabulated values.
• Operating altitude: See the official PDF for exact tabulated values.
• Climate class: See the official PDF for exact tabulated values.
• Atmosphere: See the official PDF for exact tabulated values.
• Degree of protection: See the official PDF for exact tabulated values.

Certificates and approvals

• CE mark
• RCM-Tick marking
• Ex approvals
• Corrosion test
• EAC conformity
• Drinking water approval
• Functional safety SIL/ IEC 61508 Declaration of Conformity (optional)
• Marine approval
• Radio approval
• CRN approval
• Pressure Equipment Directive 2014/68/EU (PED)
• Oxygen application
• China RoHS symbol
• RoHS
• Certification PROFINET with Ethernet-APL

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