质量流量计 8A3B
The self-drainable Promass A accurately measures lowest flow rates of liquids and gases, also under high pressure. It enables continuous process control for a wide range of very demanding applications. With its compact transmitter Promass A 300 offers high flexibility in terms of operation and system integration: access from one side, remote display, improved connectivity options. Heartbeat Technology ensures compliance and process safety at all times.
Technical Data
CompareDensity
| Measuring Principle | |
| Product Headline | std_productprofile_product_usp_7824. Measuring accurately smallest quantities of liquids and gases for continuous process control. |
| Sensor features | Highest process safety – self‐drainable measuring tube design. Fewer process measuring points – multivariable measurement (flow, density, temperature). Space‐saving installation – no in-/outlet run needs. Nominal diameter: DN 1 to 4 (¹⁄₂₄ to ¹⁄₈"). Process pressure up to 400 bar (5800 psi). Medium temperature up to +205 °C (+401 °F). |
| 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. |
Density/Concentration
| Measuring Principle | |
| Product headline | std_productprofile_product_usp_7824. Measuring accurately smallest quantities of liquids and gases for continuous process control. |
| Sensor features | Highest process safety – self‐drainable measuring tube design. Fewer process measuring points – multivariable measurement (flow, density, temperature). Space‐saving installation – no in-/outlet run needs. Nominal diameter: DN 1 to 4 (¹⁄₂₄ to ¹⁄₈"). Process pressure up to 400 bar (5800 psi). Medium temperature up to +205 °C (+401 °F). |
| 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 1 to 4 (¹⁄₂₄ to ¹⁄₈") |
| Wetted materials | Measuring tube: 1.4539 (904L); Alloy C22, 2.4602 (UNS N06022) Connection: 1.4539 (904L); Alloy C22, 2.4602 (UNS N06022); 1.4404 (316/316L) |
| Measured variables | Mass flow, density, temperature, volume flow, corrected volume flow, reference density, concentration |
| Max. measurement error | Mass flow (liquid): ±0.1 % Volume flow (liquid): ±0.1 % Mass flow (gas): ±0.5 % Density (liquid): ±0.0005 g/cm³ |
| Measuring range | 0 to 450 kg/h (0 to 16.5 lb/min) |
| Max. process pressure | PN 40, Class 300, 20K, 400 bar (5800 psi) |
| Medium temperature range | –50 to +205 °C (–58 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 | 1.4301 (304), corrosion resistant |
| 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, Profinet, 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 |
| 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 traceable verification according to ISO 9001:2008 – Section 7.6 a (TÜV SÜD attestation) |
| Pressure approvals and certificates | CRN |
| Material certificates | 3.1 material |
| Hygienic approvals and certificates | 3-A, EHEDG |
Gas
| Measuring Principle | |
| Product headline | std_productprofile_product_usp_7824. Measuring accurately smallest quantities of liquids and gases for continuous process control. |
| Sensor features | Highest process safety – self‐drainable measuring tube design. Fewer process measuring points – multivariable measurement (flow, density, temperature). Space‐saving installation – no in-/outlet run needs. Nominal diameter: DN 1 to 4 (¹⁄₂₄ to ¹⁄₈"). Process pressure up to 400 bar (5800 psi). Medium temperature up to +205 °C (+401 °F). |
| 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 1 to 4 (¹⁄₂₄ to ¹⁄₈") |
| Wetted materials | Measuring tube: 1.4539 (904L); Alloy C22, 2.4602 (UNS N06022) Connection: 1.4539 (904L); Alloy C22, 2.4602 (UNS N06022); 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 % Volume flow (liquid): ±0.10 % Mass flow (gas): ±0.50 % Density (liquid): ±0.0005 g/cm³ |
| Measuring range | 0 to 450 kg/h (0 to 16.5 lb/min) |
| Max. process pressure | PN 40, Class 300, 20K, 400 bar (5800 psi) |
| Medium temperature range | –50 to +205 °C (–58 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 | 1.4301 (304), corrosion resistant |
| 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, Profinet, 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 |
| 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 traceable verification according to ISO 9001:2008 – Section 7.6 a (TÜV SÜD attestation)" |
| Pressure approvals and certificates | CRN |
| Material certificates | 3.1 material |
| Hygienic approvals and certificates | 3-A, EHEDG |
Liquids
| Measuring Principle | |
| Product headline | std_productprofile_product_usp_7824. Measuring accurately smallest quantities of liquids and gases for continuous process control. |
| Sensor features | Highest process safety – self‐drainable measuring tube design. Fewer process measuring points – multivariable measurement (flow, density, temperature). Space‐saving installation – no in-/outlet run needs. Nominal diameter: DN 1 to 4 (¹⁄₂₄ to ¹⁄₈"). Process pressure up to 400 bar (5800 psi). Medium temperature up to +205 °C (+401 °F). |
| 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 1 to 4 (¹⁄₂₄ to ¹⁄₈") |
| Wetted materials | Measuring tube: 1.4539 (904L); Alloy C22, 2.4602 (UNS N06022) Connection: 1.4539 (904L); Alloy C22, 2.4602 (UNS N06022); 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 % Volume flow (liquid): ±0.10 % Mass flow (gas): ±0.50 % Density (liquid): ±0.0005 g/cm³ |
| Measuring range | 0 to 450 kg/h (0 to 16.5 lb/min) |
| Max. process pressure | PN 40, Class 300, 20K, 400 bar (5800 psi) |
| Medium temperature range | –50 to +205 °C (–58 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 | 1.4301 (304), corrosion resistant |
| 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, Profinet, 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 |
| 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 traceable verification according to ISO 9001:2008 – Section 7.6 a (TÜV SÜD attestation) |
| Pressure approvals and certificates | CRN |
| Material certificates | 3.1 material |
| Hygienic approvals and certificates | 3-A, EHEDG |
Advantages
• Maximum process safety: self-draining measuring tube
• Fewer process measuring points: multivariable measurement (flow, density, temperature)
• Small installation space required: no inlet/outlet straight run requirements
• Complete process and diagnostic information: various user-configurable input/output
combinations and fieldbuses
• Reduced complexity and variability: user-configurable input/output settings
• Integrated verification: Heartbeat Technology
Applications
• Measuring principle unaffected by the physical properties of the fluid (e.g. viscosity or density)
• High-precision measurement of very small liquid and gas flows
in continuous process control
Device performance
• Nominal diameter: DN 1...4 (¹⁄₂₄...¹⁄₈")
• Maximum process pressure: 400 bar (5 800 psi)
• Maximum medium temperature: +205 °C (+401 °F)
• Compact dual-compartment housing with up to 3 inputs/outputs
• Backlit display, touch control, WLAN access
• Remote display unit available
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Technical documentation
Technical data
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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。
