300 科里奥利质量流量计
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 compact transmitter Promass O 300 offers high flexibility in terms of operation and system integration: access from one side, remote display and improved connectivity options. Heartbeat Technology ensures safe processes.
Technical Data
CompareDensity/Concentration
| Measuring Principle | Coriolis |
| Product headline | Robust high-pressure flowmeter with a compact, easily accessible transmitter. 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. Compact dual-compartment housing with up to 3 I/Os. Backlit display with touch control and WLAN access. Remote display available. |
| 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 range | 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 |
| Transmitter housing material | AlSi10Mg, coated; 1.4409 (CF3M) similar to 316L |
| Degree of protection | 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 Remote display available |
| Outputs | 3 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, MODBUS TCP over Ethernet-APL, 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, UK Ex, 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" |
Gas
| Measuring Principle | Coriolis |
| Product headline | Robust high-pressure flowmeter with a compact, easily accessible transmitter. 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. Compact dual-compartment housing with up to 3 I/Os. Backlit display with touch control and WLAN access. Remote display available. |
| 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 | –46 to +205 °C (–46 to +401 °F) |
| Ambient temperature range | 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 |
| Transmitter housing material | AlSi10Mg, coated; 1.4409 (CF3M) similar to 316L |
| Degree of protection | 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 Remote display available |
| Outputs | 3 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, MODBUS TCP over Ethernet-APL, 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, UK Ex, 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 |
Liquids
| Measuring Principle | Coriolis |
| Product headline | Robust high-pressure flowmeter with a compact, easily accessible transmitter. 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. Compact dual-compartment housing with up to 3 I/Os. Backlit display with touch control and WLAN access. Remote display available. |
| 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 | –46 to +205 °C (–46 to +401 °F) |
| Ambient temperature range | 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 |
| Transmitter housing material | AlSi10Mg, coated; 1.4409 (CF3M) similar to 316L |
| Degree of protection | 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 Remote display available |
| Outputs | 3 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, MODBUS TCP over Ethernet-APL, 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, UK Ex, 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" |
Steam
| Measuring Principle | Coriolis |
| Product headline | Robust high-pressure flowmeter with a compact, easily accessible transmitter. 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. Compact dual-compartment housing with up to 3 I/Os. Backlit display with touch control and WLAN access. Remote display available. |
| Nominal diameter range | DN 80 to 150 (3 to 6") |
| 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 800 000 kg/h (0 to 29 400 lb/min) |
| Max. process pressure | PN 250, Class 1500 |
| Medium temperature range | –46 to +205 °C (–46 to +401 °F) |
| Ambient temperature range | 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 |
| Transmitter housing material | AlSi10Mg, coated; 1.4409 (CF3M) similar to 316L |
| Degree of protection | 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 Remote display available |
| Outputs | 3 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, MODBUS TCP over Ethernet-APL, 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, UK Ex, 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 |
Proline Promass O 300
Coriolis mass flowmeter
Robust high-pressure flowmeter with compact, easily accessible transmitter
Advantages
Highest safety – maximum resistance to stress corrosion cracking
Fewer process measuring points – multivariable measurement (flow, density, temperature)
Space-saving installation – no inlet/outlet runs required
Full access to process and diagnostic information – numerous freely combinable I/Os and Ethernet
Reduced complexity and diversity – freely configurable I/O functionality
Integrated verification – Heartbeat Technology
Field of application
Promass O is designed for high-precision analysis of liquids and gases under the highest process pressures in the oil and gas industry. The sensor is fully suitable for offshore conditions and resistant to stress corrosion cracking. The Promass O 300 features a compact transmitter offering a high degree of flexibility in operation and system integration: access from one side, remote display and improved connection options. Heartbeat Technology enables safe processes.
The measuring principle is unaffected by fluid properties such as viscosity or density
High precision at the highest process pressures, fully suitable for offshore conditions
Device properties
25Cr duplex steel measuring tube, 1.4410 (UNS S32750)
Process pressure up to PN 250 (Class 1500)
Nominal diameter: DN 80 to 250 (3 to 10”)
Compact two-compartment housing with up to 3 I/Os
Backlit display with touch control and WLAN access
Remote display available
E+H product configurator
Please enter the product order code to configure
Product comparison
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Technical documentation
Technical data
Documents/Manuals/Software
Accessories/Spare parts
Source:Endress+Hauserpublic information from the website
Case Studies
市政污水处理
市政污水处理污水处理厂 · 质量流量计应用案例
项目背景
市政污水处理客户在污水处理厂环节，长期面临「出水水质监测精度不足、仪表易受污染导致数据漂移，影响达标排放」的困扰，对质量流量计的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的质量流量计，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应市政污水处理复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
食品饮料
食品饮料食品生产线 · 质量流量计应用案例
项目背景
食品饮料客户在食品生产线环节，长期面临「卫生级测量要求高，在线仪表需耐 CIP/SIP 清洗且精度稳定」的困扰，对质量流量计的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的质量流量计，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应食品饮料复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
化工制药
化工制药反应釜与储罐 · 质量流量计应用案例
项目背景
化工制药客户在反应釜与储罐环节，长期面临「介质腐蚀性强、工况复杂，仪表需耐腐蚀且防爆」的困扰，对质量流量计的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的质量流量计，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应化工制药复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
电力能源
电力能源电厂锅炉与汽机 · 质量流量计应用案例
项目背景
电力能源客户在电厂锅炉与汽机环节，长期面临「高温高压工况下测量不稳定，维护停机成本高」的困扰，对质量流量计的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的质量流量计，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应电力能源复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
