质量流量计 8Q3B
Promass Q 300 provides the highest measurement accuracy for mass flow, volume flow and density. Being the preferred choice for custody transfer applications, it has also been optimized for liquid applications where entrained gas is known to be present. The compact transmitter offers high flexibility in terms of operation and system integration: access from one side, remote display and improved connectivity options. Heartbeat Technology ensures compliance and process safety at all times.
The Promass Q 300 offers the highest accuracy for mass flow, volume flow and density measurement. It is the best choice for custody transfer applications and has been optimized for measuring liquids containing gas. Combined with the compact transmitter, it offers flexible operation and easy system integration: wiring on the same side of the instrument, remote display and improved connection options. Heartbeat Technology ensures compliance at all times and guarantees process safety.
Benefits
Guaranteed measurement quality: highest accuracy for mass flow, volume flow and density measurement
Optimized measurement of gas-containing liquids: MFT (multi-frequency technology)
Fewer process measuring points: multivariable measurement (flow, density, temperature)
Space-saving installation: no inlet/outlet straight run requirement
Complete view of process and diagnostic information: various user-configurable input/output combinations and fieldbuses
Reduced complexity and diversity: user-configurable input/output functions
Integrated verification: built-in Heartbeat Technology
Applications
The measuring principle is unaffected by the physical properties of the fluid (e.g. viscosity and density)
Excellent measuring performance for custody transfer, density measurement and demanding conditions
Device features
Mass flow measurement error: ±0.05 % (PremiumCal)
Density measurement error: ±0.2 kg/m3
Low pressure loss / small zero point, high turndown ratio
Compact dual-compartment housing with up to 3 inputs/outputs
Backlit display, touch key operation and WLAN access
Remote display available
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Technical documentation
Technical data
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Source: Endress+Hauserpublic information from the website
Technical Data
CompareDensity
| Measuring Principle | Coriolis |
| Product Headline | Innovative specialist for challenging applications with a compact, easily accessible transmitter. Highest measurement performance for custody transfer, density and under tough process conditions. |
| Sensor features | Optimized performance for liquids with entrained gas – MFT (Multi-Frequency Technology). Fewer process measuring points – multivariable measurement (flow, density, temperature). Space‐saving installation – no in-/outlet run needs. Mass flow: measurement error ±0.05 % (PremiumCal). Density: measurement error ±0.2 kg/m³. High turndown due to low pressure loss/zero point. |
| 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 25 to 250 (1 to10") |
| Wetted materials | Measuring tube: 1.4404 (316/316L); stainless steel for cryogenic applications Connection: 1.4404 (316/316L) |
| Measured variables | Mass flow, density, temperature, volume flow, corrected volume flow, reference density, concentration |
| Max. measurement error | Mass flow (liquid): ±0.10 % (standard), 0.05 % (option) Volume flow (liquid): ±0.10 % Mass flow (gas): ±0.25 % Density (liquid): ±0.0002 g/cm³, +/-0.0001 g/cm³ (option) (standard) |
| Measuring range | 0 to 2 400 000 kg/h (0 to 88183 lb/min) |
| Max. process pressure | PN 100, Class 600, 63K |
| Medium temperature range | Standard: –50 to +205°C (–58 to +401 °F) Option: –196 to +150 °C (–321 to +302 °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; stainless steel for hygenic transmitter design |
| Degree of protection | IP66/67, type 4X enclosure IP69 |
| 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 |
| Other approvals and certificates | CE, C-tick, EAC marking Functional safety according to IEC 61508, applicable in safety-relevant applications in accordance with IEC 61511 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, Liquified gases, Cryogenic liquids) OIML R117 (Liquids other than water, Liquified gases, Cryogenic liquids) NTEP (Liquids other than water, Cryogenic liquids) MC (Liquids other than water, Cryogenic liquids) LR approval, DNV approval, ABS approval, BV approval PED, CRN, AD 2000 3.1 material NACE MR0175/MR0103, PMI; welding test acc. to EN ISO, ASME, NORSOK 3-A, EHEDG, cGMP |
Density/Concentration
| Measuring Principle | Coriolis |
| Product headline | Innovative specialist for challenging applications with a compact, easily accessible transmitter. Highest measurement performance for custody transfer, density and under tough process conditions. |
| Sensor features | Optimized performance for liquids with entrained gas – MFT (Multi-Frequency Technology). Fewer process measuring points – multivariable measurement (flow, density, temperature). Space‐saving installation – no in-/outlet run needs. Mass flow: measurement error ±0.05 % (PremiumCal). Density: measurement error ±0.2 kg/m³. High turndown due to low pressure loss/zero point. |
| 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 25 to 250(1 to 10") |
| Wetted materials | Measuring tube: 1.4404 (316/316L); stainless steel for cryogenic applications Connection: 1.4404 (316/316L) |
| Measured variables | Mass flow, density, temperature, volume flow, corrected volume flow, reference density, concentration |
| Max. measurement error | Mass flow (liquid): ±0.10 % (standard), 0.05 % (option) Volume flow (liquid): ±0.10 % Mass flow (gas): ±0.25 % Density (liquid): ±0.0002 g/cm³, +/-0.0001 g/cm³ (option) (standard) |
| Measuring range | 0 to 2 400 000 kg/h (0 to 88183 lb/min) |
| Max. process pressure | PN 100, Class 600, 63K |
| Medium temperature range | Standard: –50 to +205°C (–58 to +401 °F) Option: –196 to +150 °C (–321 to +302 °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; stainless steel for hygenic transmitter design |
| Degree of protection | IP66/67, type 4X enclosure IP69 |
| 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, Liquified gases, Cryogenic liquids) OIML R117 (Liquids other than water, Liquified gases, Cryogenic liquids) NTEP (Liquids other than water, Cryogenic liquids) |
| 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 |
| Hygienic approvals and certificates | 3-A, EHEDG, cGMP |
Gas
| Measuring Principle | Coriolis |
| Product headline | Innovative specialist for challenging applications with a compact, easily accessible transmitter. Highest measurement performance for custody transfer, density and under tough process conditions. |
| Sensor features | Optimized performance for liquids with entrained gas – MFT (Multi-Frequency Technology). Fewer process measuring points – multivariable measurement (flow, density, temperature). Space‐saving installation – no in-/outlet run needs. Mass flow: measurement error ±0.05 % (PremiumCal). Density: measurement error ±0.2 kg/m³. High turndown due to low pressure loss/zero point. |
| 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 25 to 250(1 to 10") |
| Wetted materials | Measuring tube: 1.4404 (316/316L); stainless steel for cryogenic applications Connection: 1.4404 (316/316L) |
| Measured variables | Mass flow, density, temperature, volume flow, corrected volume flow, reference density, concentration |
| Max. measurement error | Mass flow (liquid): ±0.10 % (standard), 0.05 % (option) Volume flow (liquid): ±0.10 % Mass flow (gas): ±0.25 % Density (liquid): ±0.0002 g/cm³, +/-0.0001 g/cm³ (option) (standard) |
| Measuring range | 0 to 2 400 000 kg/h (0 to 88183 lb/min) |
| Max. process pressure | PN 100, Class 600, 63K |
| Medium temperature range | Standard: –50 to +205°C (–58 to +401 °F) Option: –196 to +150 °C (–321 to +302 °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; stainless steel for hygenic transmitter design |
| Degree of protection | IP66/67, type 4X enclosure IP69 |
| 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, Liquified gases, Cryogenic liquids) OIML R117 (Liquids other than water, Liquified gases, Cryogenic liquids) NTEP (Liquids other than water, Cryogenic liquids) |
| 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 |
| Hygienic approvals and certificates | 3-A, EHEDG, cGMP |
Liquids
| Measuring Principle | Coriolis |
| Product headline | Innovative specialist for challenging applications with a compact, easily accessible transmitter. Highest measurement performance for custody transfer, density and under tough process conditions. |
| Sensor features | Optimized performance for liquids with entrained gas – MFT (Multi-Frequency Technology). Fewer process measuring points – multivariable measurement (flow, density, temperature). Space‐saving installation – no in-/outlet run needs. Mass flow: measurement error ±0.05 % (PremiumCal). Density: measurement error ±0.2 kg/m³. High turndown due to low pressure loss/zero point. |
| 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 25 to 250(1 to 10") |
| Wetted materials | Measuring tube: 1.4404 (316/316L); stainless steel for cryogenic applications Connection: 1.4404 (316/316L) |
| Measured variables | Mass flow, density, temperature, volume flow, corrected volume flow, reference density, concentration |
| Max. measurement error | Mass flow (liquid): ±0.10 % (standard), 0.05 % (option) Volume flow (liquid): ±0.10 % Mass flow (gas): ±0.25 % Density (liquid): ±0.0002 g/cm³, +/-0.0001 g/cm³ (option) (standard) |
| Measuring range | 0 to 2 400 000 kg/h (0 to 88183 lb/min) |
| Max. process pressure | PN 100, Class 600, 63K |
| Medium temperature range | Standard: –50 to +205°C (–58 to +401 °F) Option: –196 to +150 °C (–321 to +302 °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; stainless steel for hygenic transmitter design |
| Degree of protection | IP66/67, type 4X enclosure IP69 |
| 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, Liquified gases, Cryogenic liquids) OIML R117 (Liquids other than water, Liquified gases, Cryogenic liquids) NTEP (Liquids other than water, Cryogenic liquids) MC (Liquids other than water, Cryogenic liquids) |
| 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 |
| Hygienic approvals and certificates | 3-A, EHEDG, cGMP |
Steam
| Measuring Principle | Coriolis |
| Product headline | Innovative specialist for challenging applications with a compact, easily accessible transmitter. Highest measurement performance for custody transfer, density and under tough process conditions. |
| Sensor features | Optimized performance for liquids with entrained gas – MFT (Multi-Frequency Technology). Fewer process measuring points – multivariable measurement (flow, density, temperature). Space‐saving installation – no in-/outlet run needs. Mass flow: measurement error ±0.05 % (PremiumCal). Density: measurement error ±0.2 kg/m³. High turndown due to low pressure loss/zero point. |
| 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. |
| Marine approvals and certificates | LR approval, DNV approval, ABS approval, BV approval |
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。
