质量流量计 8E2B
Technical Data
CompareGas
| Measuring Principle | |
| Product headline | Genuine loop-powered flowmeter for minimized cost of ownership. Accurate measurement of liquids and gases for a wide range of standard applications. |
| Sensor features | Cost‐effective – multi‐purpose device; an alternative to conventional volumetric flowmeters. Fewer process measuring points – multivariable measurement (flow, density, temperature). Space‐saving installation – no in-/outlet run needs. Compact dual-tube sensor. std_successorproducts_product_differentiating_tech_features_7694_1530102815. Process pressure up to 100 bar (1450 psi). |
| Transmitter features | Convenient device wiring – separate connection compartment. Safe operation – no need to open the device due to display with touch control, background lighting. Integrated verification – Heartbeat Technology. Loop-powered technology. Robust dual-compartment housing. Plant safety: worldwide approvals (SIL, Haz. area). |
| Nominal diameter range | DN 8 to 50 (⅜ to 2") |
| Wetted materials | Measuring tube: 1.4539 (904L) Connection: 1.4404 (316/316L) |
| Measured variables | Mass flow, density, temperature, volume flow, corrected volume flow, reference density |
| Max. measurement error | Mass flow (liquid): ±0.25 % Volume flow (liquid): ±0.25 % Mass flow (gas): ±0.75 % Density (liquid): ±0.0005 g/cm³ |
| Measuring range | 0 to 70 000 kg/h (0 to 2570 lb/min) |
| Max. process pressure | PN 100, Class 600, 63K |
| Medium temperature range | –40 to +140 °C (–40 to +284 °F) |
| Ambient temperature range | –40 to +60 °C (–40 to +140 °F) |
| Sensor housing material | 1.4301 (304), corrosion resistant |
| Transmitter housing material | AlSi10Mg, coated, 1.4404 (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 | 4‐20 mA HART (passive) 4‐20 mA (passive) Pulse/frequency/switch output (passive) |
| Inputs | None |
| Digital communication | HART, PROFIBUS PA, FOUNDATION Fieldbus |
| Power supply | DC 18 to 35 V (4‐20 mA HART with/without pulse/frequency/switch) DC 18 to 30 V (20 mA HART, 4‐20 mA) DC 9 to 32 V (PROFIBUS PA) |
| Hazardous area approvals | ATEX, IECEx, cCSAus, NEPSI, INMETRO |
| 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) |
| Pressure approvals and certificates | PED, CRN |
| Hygienic approvals and certificates | 3-A |
Liquids
| Measuring Principle | |
| Product headline | Genuine loop-powered flowmeter for minimized cost of ownership. Accurate measurement of liquids and gases for a wide range of standard applications. |
| Sensor features | Cost‐effective – multi‐purpose device; an alternative to conventional volumetric flowmeters. Fewer process measuring points – multivariable measurement (flow, density, temperature). Space‐saving installation – no in-/outlet run needs. Compact dual-tube sensor. std_successorproducts_product_differentiating_tech_features_7694_1530102815. Process pressure up to 100 bar (1450 psi). |
| Transmitter features | Convenient device wiring – separate connection compartment. Safe operation – no need to open the device due to display with touch control, background lighting. Integrated verification – Heartbeat Technology. Loop-powered technology. Robust dual-compartment housing. Plant safety: worldwide approvals (SIL, Haz. area). |
| Nominal diameter range | DN 8 to 50 (⅜ to 2") |
| Wetted materials | Measuring tube: 1.4539 (904L) Connection: 1.4404 (316/316L) |
| Measured variables | Mass flow, density, temperature, volume flow, corrected volume flow, reference density |
| Max. measurement error | Mass flow (liquid): ±0.25 % Volume flow (liquid): ±0.25 % Mass flow (gas): ±0.75 % Density (liquid): ±0.0005 g/cm³ |
| Measuring range | 0 to 70 000 kg/h (0 to 2570 lb/min) |
| Max. process pressure | PN 100, Class 600, 63K |
| Medium temperature range | –40 to +140 °C (–40 to +284 °F) |
| Ambient temperature range | –40 to +60 °C (–40 to +140 °F) |
| Sensor housing material | 1.4301 (304), corrosion resistant |
| Transmitter housing material | AlSi10Mg, coated |
| 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 | 4‐20 mA HART (passive) 4‐20 mA (passive) Pulse/frequency/switch output (passive) |
| Inputs | None |
| Digital communication | HART, PROFIBUS PA, FOUNDATION Fieldbus |
| Power supply | DC 18 to 35 V (4‐20 mA HART with/without pulse/frequency/switch) DC 18 to 30 V (20 mA HART, 4‐20 mA) DC 9 to 32 V (PROFIBUS PA) |
| Hazardous area approvals | ATEX, IECEx, cCSAus, NEPSI, INMETRO |
| Other approvals and certificates | 3.1 material, calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025), NAMUR, SIL, PED, CRN, 3-A |
| Product 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) |
| Pressure approvals and certificates | PED, CRN |
| Material certificates | 3.1 material |
| Hygienic approvals and certificates | 3-A |
The Promass E is robust and is an economical solution for long-term use in high-precision liquid and gas measurement in various standard applications in the chemical industry. The Proline E 200 is a true loop-powered two-wire flowmeter that is economical to use and can be seamlessly integrated into existing systems. The flowmeter features intrinsically safe design (Ex ia) for the highest operational safety in hazardous areas. Built-in Heartbeat Technology ensures the process is always safe.
Benefits
Economical: versatile instrument; preferred alternative to conventional volumetric flowmeters
Fewer process measuring points: multivariable measurement (flow, density, temperature)
Space-saving installation: no inlet/outlet straight run requirement
Convenient instrument wiring: separate connection compartment
Safe operation: backlit display and touch key operation without opening the instrument
Integrated verification: built-in Heartbeat Technology
Applications
The measuring principle is unaffected by the physical properties of the fluid (e.g. viscosity and density)
High-precision measurement of liquids and gases in standard applications, with broad applicability
Device features
Compact dual measuring tube sensor
Medium temperature: max. +150 °C (+302 °F)
Process pressure: max. 100 bar (1450 psi)
Loop-powered two-wire technology
Robust dual-compartment housing
Plant safety: certified by multiple international approvals (SIL, hazardous areas)
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Technical documentation
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Source: Endress+Hauserpublic information from the website
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · Mass Flow Meter Application Case
Project Background
Municipal Wastewater Treatment customers at the Wastewater Treatment Plant stage have long faced the challenge of insufficient accuracy in effluent quality monitoring and instruments prone to contamination causing data drift, affecting compliance discharge, placing higher demands on the stability and measurement accuracy of Mass Flow Meter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Mass Flow Meter for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Municipal Wastewater Treatment conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Food & Beverage — Food Production Line · Mass Flow Meter Application Case
Project Background
Food & Beverage customers at the Food Production Line stage have long faced the challenge of high hygienic measurement requirements, with inline instruments needing to withstand CIP/SIP cleaning while maintaining stable accuracy, placing higher demands on the stability and measurement accuracy of Mass Flow Meter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Mass Flow Meter for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Food & Beverage conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Chemical & Pharmaceutical — Reactors and Storage Tanks · Mass Flow Meter Application Case
Project Background
Chemical & Pharmaceutical customers at the Reactors and Storage Tanks stage have long faced the challenge of highly corrosive media and complex conditions, requiring corrosion-resistant and explosion-proof instruments, placing higher demands on the stability and measurement accuracy of Mass Flow Meter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Mass Flow Meter for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Chemical & Pharmaceutical conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Power & Energy — Power Plant Boiler and Turbine · Mass Flow Meter Application Case
Project Background
Power & Energy customers at the Power Plant Boiler and Turbine stage have long faced the challenge of unstable measurement under high temperature and pressure, with high maintenance and downtime costs, placing higher demands on the stability and measurement accuracy of Mass Flow Meter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Mass Flow Meter for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Power & Energy conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.






