Endress+Hauser Cerabar S PMC731
Digital pressure transmitter with capacitive, oil-free ceramic (Ceraphire®) process isolating diaphragm. The PMC731 is used for absolute pressure and gauge pressure measurement in gases, steams, or liquids, as well as level, volume, or mass measurement in liquids. Overload-resistant and function-monitored, with a vacuum-proof ceramic membrane featuring integrated breakage detection for enhanced system safety.
Key Features:
- Capacitive ceramic (Ceraphire®) measuring cell, overload-resistant up to 40x nominal pressure
- Communication via PROFIBUS PA digital protocol
- High reference accuracy up to 0.075% of set span
- Turn down ratio up to 100:1
- Certified for functional safety up to SIL3 per IEC 61508
- HistoROM/M-DAT memory module for data storage and diagnostics
- Two-chamber aluminum or stainless steel (316L) housing
- Wide range of process connections: threads, flanges, or hygienic connections
- Second process barrier (secondary containment) for enhanced integrity
Applications:
Suitable for process pressure and level monitoring in oil & gas, petrochemical, chemical, and general process industries requiring PROFIBUS PA integration.
Note: This model is discontinued by the manufacturer; a newer generation Cerabar series is available as replacement.
