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Product name:
Electromagnetic Flowmeter
Product series:

5W4C

Product brand:
E+H/Endress+Hauser
Product feature:
• International drinking‑water approvals • IP68 protection rating (Type 6P housing) • Custody‑transfer approval compliant with MI‑001 / OIML R49 • Robust transmitter housing in polycarbonate or aluminium • Identical housing for both compact and remote versions • Integrated data logger for measured‑value monitoring • High‑accuracy and reliable measurement, no upstream/downstream straight pipe sections required, no pressure loss • Flexible installation: sensor with fixed or loose flange process connections • EN ISO 12944 corrosion‑protection for direct buried installation or long‑term underwater service • Enhanced availability: sensor complies with industry‑specific requirements • Safe operation: no housing opening required • Time‑saving local operation without additional hardware or software: integrated web server • Integrated verification and deposit detection: Heartbeat Technology
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Measuring principle:
According to Faraday’s Law of Electromagnetic Induction, an induced voltage is generated when a conductor moves in a magnetic field. In the electromagnetic measuring principle, the flowing medium acts as the moving conductor. The induced voltage (Uₑ) is proportional to the medium flow velocity (v) and transmitted to the amplifier via two measuring electrodes. The volumetric flow rate (Q) is calculated based on the pipe cross‑sectional area (A). The DC magnetic field is generated by switched direct current with alternating polarity. Calculation formulas • Induced voltage: Uₑ = B · L · v • Volumetric flow rate: Q = A · v
Product positioning:
Water and Wastewater Applications
Using scenario:
Promag W holds international approvals for custody‑transfer and drinking‑water applications for versatile use. Both compact and remote versions are available. Equipped with a high‑performance transmitter, Promag D 400 is designed for the water and wastewater industry to achieve substantial time and cost savings. Meanwhile, Heartbeat Technology ensures reliable measurement and compliant verification. • Bidirectional measuring principle independent of process conditions such as pressure, density, temperature and viscosity • Specialist for drinking water, utility water, industrial and municipal wastewater measurement
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Jiangsu Pinyi instrument Co., Ltd.
Shanghai Ruiyingda measurement and control technology Co., Ltd.
We specialize in instruments and process control.
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