Product News

Endress + Hauser Proline Promag W 400 electromagnetic flowmeter

News April 06, 2026

E+H_W 400


Specs at a glance

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)


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)


Max. process pressure

PN 40, Class 300, 20K


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 




Field of application

With its international approvals for custody transfer as well as drinking water, Promag W serves the broadest variety of applications. It is available as both compact or remote version. Promag W 400 saves time and costs thanks to the broad functionality of its transmitter optimized for Water, Wastewater & Waste. In addition, Heartbeat Technology enables measurement reliability and compliant verification.

The bidirectional measuring principle is virtually independent of pressure, density, temperature and viscosity

Ideal for water measurement , e.g. drinking water, utility water and industrial/municipal wastewater



Device properties

International drinking water approvals

Degree of protection IP68 (Type 6P enclosure)

Approved for custody transfer to MI-001/OIML R49

Transmitter housing made of durable polycarbonate or aluminium

WLAN access

Integrated data logger: measured values monitoring



Benefits

Reliable measurement at constant accuracy with 0 x DN inlet run and no pressure loss

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

Safe operation – no need to open the device

Time-saving local operation without additional software and hardware – integrated web server

Integrated verification and build-up detection – Heartbeat Technology




We are professional in Industrial Automation & Electrical Distribution instruments, our product mainly including: Pressure / Temperature Transmitters, Flowmeters, Analyzers, DCS Modules, PLC, Controller, Feild Communicators, Gas Detectors/ Sensors, Safety Barrier and Isolator, Multimeters, Calibrators, Recorder, Soft Starters, Inverters, Positioners, Valves, Circuit Breakers, Contactors, Switches, Power Supply, HMI, Terminal Block, Relay etc.Please feel free to inquiry us by E-mail: lily@hkxytech.com


Our main brands:


Yokogawa, Honeywell, Schneider, Emerson, Rosemount, Fisher, ABB,Siemens, MTL,Pepperl+fuchs, Hirschmann, Phoenix Contact, Weidmuller, ASCO, Norgren, Danfoss, Cisco, MOXA, IFM, Omron, GE, Rockwell(Allen Bradley), EATON, MOOG, Yaskawa, Festo, Fluke, Foxboro, PR electronics, etc.


We promise 100% original brand new with 1-year warranty.

If you are interested in our products, please feel free to contact us!


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HONGKONG XIEYUAN TECH CO., LIMITED

Contact: Ms. Lily

Email: lily@hkxytech.com

WhatsApp/Wechat: +86 13789949182