电磁流量计
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 data
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Source: Endress+Hauserpublic information from the website
Technical Data
CompareLiquids
| 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 |
Case Studies
市政污水处理污水处理厂 · 电磁流量计应用案例
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，对电磁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电磁流量计，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。
食品饮料食品生产线 · 电磁流量计应用案例
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，对电磁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电磁流量计，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。
化工制药反应釜与储罐 · 电磁流量计应用案例
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，对电磁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电磁流量计，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。
电力能源电厂锅炉与汽机 · 电磁流量计应用案例
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，对电磁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电磁流量计，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。
