电磁流量计
Technical Data
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| Measuring Principle | Electromagnetic |
| Product headline | Specialist for demanding water and wastewater applications with a compact, easily accessible transmitter. Reliable measurement at constant accuracy with 0 x DN inlet run and no pressure loss. Dedicated to the measurement of industrial or municipal water and wastewater . |
| Sensor features | Flexible engineering – sensor with fixed or lap-joint process connections. Long-term operation – robust and completely welded sensor. Improved plant availability – sensor compliant with industry-specific requirements. International drinking water approvals. |
| 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 3000(1 to 120") |
| Wetted materials | Liner: Polyurethane; Hard rubber, PTFE Electrodes: 1.4435 (316L); Alloy C22, 2.4602 (UNS N06022); Tantalum |
| Measured variables | Volume flow, conductivity, mass flow |
| Max. measurement error | Volume flow (standard): ±0.5 % o.r. ± 1 mm/s (0.04 in/s) Volume flow (option): ±0.2 % o.r. ± 2 mm/s (0.08 in/s), Flat Spec |
| Measuring range | 0.5 m3/h to 263000 m3/h (2.5gal/min to 1665 Mgal/d) |
| Max. process pressure | PN 40, Class 300, 20K |
| Medium temperature range | Liner material hard rubber: 0 to +80 °C (+32 to +176 °F) Liner material polyurethane: –20 to +50 °C (–4 to +122 °F) Liner material PTFE: –20 to +90 °C (–4 to +194 °F) |
| Ambient temperature range | Flange material carbon steel: –10 to +60 °C (+14 to +140 °F) Flange material stainless steel: –40 to +60 °C (–40 to +140 °F) |
| Sensor housing material | DN 25 to 300 (1 to 12"): AlSi10Mg, coated DN 25 to 2400 (1 to 90"): Carbon steel with protective varnish Sensor connection housing (standard): AlSi10Mg, coated Sensor connection housing (option): Polycarbonate; 1.4409 (CF3M) similar to 316L |
| Transmitter housing material | AlSi10Mg, coated; 1.4409 (CF3M) similar to 316L; stainless steel for hygenic transmitter design |
| 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, INMETRO, NEPSI, EAC; JPN, 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), NAMUR Heartbeat Technology complies with the requirements for measurement traceability according to ISO 9001:2015 – Section 7.1.5.2 a (TÜV SÜD attestation) |
| Marine approvals and certificates | LR approval, DNV approval, ABS approval, BV approval |
| Pressure approvals and certificates | CRN, PED |
| Material certificates | 3.1 material |
| Hygienic approvals and certificates | ACS, KTW-BWGL, NSF 61, WRAS BS 6920 |
The Promag W 300 high-precision electromagnetic flowmeter is used for water and wastewater measurement and works reliably in hazardous areas and demanding conditions. The compact transmitter offers flexible operation and easy system integration: single-side and remote operation with improved wiring. Heartbeat Technology ensures compliance and a safe process at all times.
Benefits
Flexible design: sensor with welded or lap-joint flange process connections
Reliable measurement: highly accurate measured values even without reserved straight inlet runs
Increased plant stability: the sensor meets industry-specific requirements
Complete view of process and diagnostic information: various user-configurable input/output combinations and fieldbuses
Reduced complexity and variability: user-configurable input/output functions
Built-in Heartbeat verification function
Applications
Bidirectional measuring principle completely unaffected by pressure, density, temperature and viscosity
Dedicated to industrial or municipal water and wastewater measurement
Device features
International drinking water approval
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
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Source: Endress+Hauserpublic information from the website
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · Electromagnetic 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 Electromagnetic Flow Meter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Electromagnetic 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 · Electromagnetic 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 Electromagnetic Flow Meter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Electromagnetic 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 · Electromagnetic 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 Electromagnetic Flow Meter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Electromagnetic 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 · Electromagnetic 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 Electromagnetic Flow Meter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Electromagnetic 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.
