Proline Promass O 500 Coriolis Flowmeter
Brand: Endress+HauserProline Promass O 500 Coriolis Flowmeter
Brand: Endress+Hauser

Promass O is designed for premium accuracy of liquids and gases at the highest process pressures in the oil and gas industry. The sensor is fully suitable for offshore conditions and resistant to stress corrosion cracking. With its innovative remote transmitter Promass O 500 maximizes installation flexibility and operational safety in demanding environments. Heartbeat Technology enables safe processes.
- Measuring principle operates independently of physical fluid properties such as viscosity or density
- For premium accuracy at highest process pressures, fully suitable for offshore conditions
Device properties
- Measuring tube in 25Cr Duplex, 1.4410 (UNS S32750)
- Process pressure up to PN 250 (Class 1500)
- Nominal diameter: DN 80 to 250 (3 to 10")
- Remote version with up to 4 I/Os
- Backlit display with touch control and WLAN access
- Standard cable between sensor and transmitter
- Maximum safety – highest resistance to stress corrosion cracking
- Fewer process measuring points – multivariable measurement (flow, density, temperature)
- Space-saving installation – no in-/outlet run needs
- Full access to process and diagnostic information – numerous, freely combinable I/Os and Ethernet
- Reduced complexity and variety – freely configurable I/O functionality
- Integrated verification – Heartbeat Technology
Specifications
Brand
Measuring Principle
- Coriolis
Product Headline
- Robust high-pressure flowmeter, as remote version with up to 4 I/Os
- For premium accuracy at highest process pressures, fully suitable for offshore conditions
Sensor Features
- Maximum safety – highest resistance to stress corrosion cracking. Fewer process measuring points – multivariable measurement (flow, density, temperature). Space‐saving installation – no in-/outlet run needs
- Measuring tube in 25Cr Duplex, 1.4410 (UNS S32750). Process pressure up to PN 250 (Class 1500). Nominal diameter: DN 80 to 250 (3 to 10")
Transmitter Features
- Full access to process and diagnostic information – numerous, freely combinable I/Os and fieldbuses. Reduced complexity and variety – freely configurable I/O functionality. Integrated verification – Heartbeat Technology
- Remote version with up to 4 I/Os. Backlit display with touch control and WLAN access. Standard cable between sensor and transmitter
Nominal Diameter Range
- DN 80 to 250 (3 to 10")
Wetted Materials
- Measuring tube: 25Cr duplex (Super Duplex), 1.4410 (UNS S32750)
- Connection: 25Cr duplex (Super Duplex), 1.4410 (F53)
Measured Variables
- Mass flow, density, temperature, volume flow, corrected volume flow (API tables), reference density, concentration
Max. Measurement Error
- Mass flow (liquid): ±0.10 % (standard), 0.05 % (option)
- Volume flow (liquid): ±0.10 %
- Mass flow (gas): ±0.35 %
- Density (liquid): ±0.0005 g/cm³
Measuring Range
- 0 to 2,200,000 kg/h (0 to 80,850 lb/min)
Max. Process Pressure
- PN 250, Class 1500
Medium Temperature Range
- –40 to +205 °C (–40 to +401 °F)
Ambient Temperature
- Standard: –40 to +60 °C (–40 to +140 °F)
- Option: –50 to +60 °C (–58 to +140 °F)
Sensor Housing Material
- 1.4404 (316L), highest corrosion resistance
- Sensor connection housing (standard): AlSi10Mg, coated
- Sensor connection housing (option): 1.4301 (304); 1.4404 (316L); 1.4409 (CF3M) similar to 316L
Transmitter Housing Material
- AlSi10Mg, coated; 1.4409 (CF3M) similar to 316L; Polycarbonat
Degree of Protection
- Sensor remote version (standard): IP66/67, type 4X enclosure
- Sensor remote version (option): IP69. Transmitter remote version: IP66/67, Type 4X enclosure
Display/Operation
- 4-line backlit display with touch control (operation from outside)
- Configuration via local display and operating tools possible
Outputs
- 4 outputs:
- 4-20 mA HART (active/passive)
- 4-20 mA WirelessHART
- 4-20 mA (active/passive)
- Pulse/frequency/switch output (active/passive)
- Double pulse output (active/passive)
- Relay output
Inputs
- Status input
- 4-20 mA input
Digital Communication
- HART, PROFIBUS DP, PROFIBUS PA, FOUNDATION Fieldbus, Modbus RS485, PROFINET, PROFINET over Ethernet-APL, Ethernet/IP, OPC-UA
Power Supply
- DC 24 V
- AC 100 to 230 V
- AC 100 to 230 V / DC 24 V (non-hazardous area)
Hazardous Area Approvals
- ATEX, IECEx, cCSAus, NEPSI, INMETRO, EAC, KC
Product Safety
- CE, C-tick, EAC marking
Functional Safety
- Functional safety according to IEC 61508, applicable in safety-relevant applications in accordance with IEC 61511
Metrological Approvals and Certificates
- Calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025)
- Heartbeat Technology complies with the requirements for measurement traceability according to ISO 9001:2015 – Section 7.1.5.2 a (TÜV SÜD attestation)
- MI-005 Liquids other than water (Hydrocarbons), Cryogenic Liquids, LPG
- OIML R117 Liquids other than water, Cryogenic Liquids, LPG
- MI-002, PTB
Marine Approvals and Certificates
- LR approval, DNV approval, ABS approval, BV approval, CCS approval
Pressure Approvals and Certificates
- PED, CRN, AD 2000
Material Certificates
- 3.1 material
- NACE MR0175/MR0103, PMI; welding test acc. to EN ISO, ASME, NORSOK