Pressure Measurement

Endress+Hauser pressure transmitters deliver reliable measurement across all process conditions, from general applications to demanding environments.

Cerabar PMP51

Process Pressure (Metal Sensor)

Absolute and gauge pressure transmitter with welded metallic membrane. For process and hygiene applications up to 400 bar.

Pressure, level, volume or mass measurement in liquids or gases. Accurate measurement even with changing process temperature.

• Measuring range: −1/0 up to +400 bar
• Accuracy: ±0.15%, Platinum ±0.075%
• Process temperature: −40 to +130 °C
• SIL2 certified (IEC 61508/61511)
• HART, PROFIBUS PA, FOUNDATION Fieldbus
• International explosion protection, WHG, marine approvals

Cerabar PMC51

Process Pressure (Ceramic Sensor)

Absolute and gauge pressure transmitter with capacitive, oil-free ceramic measuring cell. Best fit for vacuum and corrosive/abrasive media.

Overload-resistant high purity ceramic sensor (99.9% Al₂O₃) with integrated membrane breakage detection for process safety.

• Measuring range: −1/0 up to +40 bar
• Accuracy: ±0.15%, Platinum ±0.075%
• Condensation resistant — suitable for hygienic applications
• SIL2 certified (IEC 61508/61511)
• HART, PROFIBUS PA, FOUNDATION Fieldbus

Deltabar PMD55

Differential Pressure

Differential pressure transmitter with piezoresistive sensor and welded metallic membrane for process and environmental applications.

Level, volume or mass measurement in liquids; differential pressure monitoring for filters and pumps; flow measurement with primary elements in gases, vapours and liquids.

• Measuring range: 0.5 mbar to 40 bar
• Accuracy: ±0.1%, Platinum ±0.075%
• Process temperature: −40 to +85 °C
• Easy HP/LP change via electric switch on main electronics
• SIL2 certified (IEC 61508/61511)
• HART, PROFIBUS PA, FOUNDATION Fieldbus

Deltabar FMD71

Electronic Differential Pressure

Electronic DP system for level measurement in pressurised tanks and distillation columns — eliminates impulse lines entirely.

HP sensor measures hydrostatic pressure, LP sensor measures head pressure, and level is calculated electronically. Overload-resistant ceramic sensor (99.9% Al₂O₃).

• System accuracy up to ±0.07%
• Process temperature: −40 to +150 °C
• Multivariable output: DP, head pressure, sensor temperatures via HART
• Lowest total cost of ownership — reduced installation, maintenance and downtime
• International explosion protection and hygienic approvals

Deltabar FMD72

Electronic DP (High Temperature)

Electronic DP system for high-temperature applications up to 250 °C. Same impulse-line-free architecture as FMD71.

Process safety assured with small flush-mounted connections for hygienic applications. Continuous health indication via HART diagnostics.

• System accuracy up to ±0.07%
• Process temperature: −40 to +250 °C
• Measuring range: 400 mbar to +40 bar
• Minimized safety risks with electronic DP architecture
• International explosion protection and hygienic approvals