电磁流量计
Technical Data
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| Measuring Principle | Electromagnetic |
| Product headline | Specialist for demanding water and wastewater applications as remote version with up to 4 I/Os. 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. Application fitness – EN ISO 12944 corrosion protection for underground or underwater installation. Improved plant availability – sensor compliant with industry-specific requirements. International drinking water approvals. Degree of protection IP68 (Type 6P enclosure). |
| 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. Remote version with up to 4 I/Os. Backlit display with touch control and WLAN access. Standard cable between sensor and transmitter. |
| Nominal diameter range | DN 25 to 3000(1 to 120") |
| Wetted materials | 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) 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) |
| 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; Polycarbonat |
| Degree of protection | Compact version: IP66/67, type 4X enclosure Sensor remote version (standard): IP66/67, type 4X enclosure Sensor remote version (option): IP68, type 6P enclosure, with protective varnish according to EN ISO 12944 C5-M/Im1/Im2/Im3 |
| Display/Operation | 4-line backlit display with touch control (operation from outside) Configuration via local display and operating tools possible |
| Outputs | 4 outputs: 4-20 mA HART (active/passive) 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 |
| Material certificates | 3.1 material |
| Hygienic approvals and certificates | ACS, KTW-BWGL, NSF 61, WRAS BS 6920 |
Promag W 500 is a dedicated flowmeter for hazardous area measurement in the water and wastewater industry and is the ideal solution for direct burial or long-term underwater use. The innovative remote transmitter design ensures maximum installation flexibility and highest operational safety under demanding conditions. Heartbeat Technology ensures compliance at all times and guarantees process safety.
Benefits
Direct burial or long-term underwater use: certified sensor
Safe and reliable long-term operation: robust, fully welded sensor
Energy-saving flow measurement: no restriction elements, ensuring no pressure loss
Maintenance-free: no moving parts
Complete process and diagnostic information: allows multiple user-defined input/output signal combinations and fieldbus communication
Reduced complexity and variability: user-configurable input/output functions
Integrated verification: built-in Heartbeat Technology
Application
Bidirectional measuring principle, independent of pressure, density, temperature and viscosity
Dedicated flowmeter for demanding water and wastewater applications.
Device features
International drinking water approval
IP68 (Type 6P, housing) degree of protection
Remote version with up to 3 inputs/outputs
Backlit display, touch key control and WLAN access
Sensor and transmitter connected via standard cable
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Technical Documentation
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Source:Endress+Hauserwebsite public information
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.







