电磁流量计(400)
The versatile, lightweight Promag L sensor is the first choice for all standard applications in the water and wastewater industry. Its unique lap-joint flange process connection enables flexible, simple and economical installation. The Promag D 400 is equipped with a powerful transmitter for the water and wastewater industry, significantly reducing time and costs. In addition, Heartbeat Technology ensures compliance and process safety at all times.
Benefits
Reduced installation costs - unique slip-on flange design, flexible installation (DN<350/14")
Energy-saving flow measurement - cross-section identical to the pipe, no pressure loss
Maintenance-free - no moving parts
Operating safety - backlit display and touch control without opening the device
Localized operation without additional hardware and software, saving time - integrated web server
Integrated verification – Heartbeat Technology
Application areas
Bidirectional measuring principle not limited by pressure, density, temperature or viscosity
Standard applications in the water and wastewater industry
Instrument features
Weight reduced by up to 30%
Nominal diameter: DN 25 ~ 2400 (1 ~ 90")
Installation gap can be shortened to DVGW/ISO
Transmitter housing made of durable polycarbonate or aluminum
WLAN connection
Built-in data logger: measured value monitoring
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Technical information
Technical data
Documents/Manuals/Software
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Measuring principle video
Source: public information from the Endress+Hauser website
Technical Data
CompareLiquids
| Measuring Principle | |
| Product headline | std_productprofile_product_usp_8024. std_productprofile_product_field_of_application_8025. |
| Sensor features | std_productprofile_product_benefits_8026. Energy‐saving flow measurement – no pressure loss due to cross section constriction. Maintenance‐free – no moving parts. std_productprofile_product_differentiating_tech_features_6649. std_productprofile_product_differentiating_tech_features_6650. std_successorproducts_product_differentiating_tech_features_35221_1509522592. |
| Transmitter features | Safe operation – no need to open the device due to display with touch control, background lighting. Time‐saving local operation without additional software and hardware – integrated web server. Integrated verification – Heartbeat Technology. Transmitter housing made of durable polycarbonate or aluminium. WLAN access. Integrated data logger: measured values monitoring. |
| Nominal diameter range | Lap joint flange, lap joint flange, stamped plate: DN 25 to 300 (1 to 12") Fixed flange: DN 350 to 2400 (14 to 90") |
| Wetted materials | Liner: PTFE; Polyurethane; Hard rubber Electrodes: 1.4435 (316L); Alloy C22, 2.4602 (UNS N06022) |
| 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) |
| Measuring range | 9 dm³/min to 162 000 m³/h (2.5 gal/min to 1030 Mgal/d) |
| Max. process pressure | PN 16, Class 150 |
| 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 350 to 2400 (14 to 90"): Carbon steel with protective varnish Sensor connection housing: AlSi10Mg, coated |
| Transmitter housing material | Polycarbonat; AlSi10Mg, coated |
| 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 Transmitter remote version: IP66/67, Type 4X enclosure |
| Display/Operation | 4‐line backlit display with touch control (operation from outside) Configuration via local display, web browser and operating tools possible |
| Outputs | 3 ouputs: 0‐20 mA/4‐20 mA HART (active) Pulse/frequency/switch output (passive) Pulse/frequency output (passive) Switch output (passive) |
| Inputs | Status input |
| Digital communication | HART, PROFIBUS DP, EtherNet/IP, Modbus RS485 |
| Power supply | AC 100 to 240 V / AC/DC 24 V |
| Hazardous area approvals | cCSAus |
| Metrological approvals and certificates | Calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025), NAMUR |
| Hygienic approvals and certificates | Drinking water approval: 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。





