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Endress Hauser Proline Promag W 400 Electromagnetic Flowmeter 5W4C1F 5W4C1H 5W4C25

The Proline Promag W 400 is a versatile electromagnetic flowmeter from Endress+Hauser, designed as a standard solution for the water and wastewater industry. With international approvals for both custody transfer and drinking water applications, it serves a broad variety of measurement tasks and is available in compact or remote versions.

Key Features and Benefits

  • Reliable Measurement with No Pressure Loss: The patented full-bore sensor requires no inlet or outlet runs (0 x DN) and ensures constant accuracy with no pressure loss due to cross-section constriction. The bidirectional measuring principle is virtually independent of pressure, density, temperature, and viscosity.

  • Certified Corrosion Protection: The sensor meets EN ISO 12944 corrosion protection standards, making it suitable for underground or permanent underwater installation.

  • Broad Approvals: Holds international drinking water approvals including ACS, KTW/W270, NSF 61, and WRAS BS 6920. Also approved for custody transfer according to MI-001/OIML R49 standards.

  • Enhanced Transmitter Features: Equipped with a 4-line backlit display with touch control for safe operation without opening the device. Features an integrated web server for time-saving local operation without additional software or hardware, plus WLAN access and an integrated data logger for measured value monitoring.

  • Built-in Heartbeat Technology: Integrated verification ensures measurement reliability, enables compliant verification, and allows for extension of recalibration cycles.

Technical Specifications (at a Glance)

Specification Detail
Measuring Principle Electromagnetic
Nominal Diameter Range DN 25 to 2400 (1 to 90″)
Measured Variables Volume flow, conductivity, mass flow
Max. Measurement Error Standard: ±0.5% o.r. ± 1 mm/s; Option: ±0.2% o.r. ± 2 mm/s
Measuring Range 9 dm³/min to 110,000 m³/h (2.5 gal/min to 700 Mgal/d)
Max. Process Pressure PN 40, Class 300, 20K
Medium Temperature Range Hard rubber: 0 to +80°C; Polyurethane: –20 to +50°C; PTFE: –20 to +90°C
Liner Materials Hard rubber, Polyurethane, PTFE
Electrode Materials 1.4435 (316L), Alloy C22, Tantalum
Sensor Housing Material DN 25–300: AlSi10Mg coated; Larger: Carbon steel with protective varnish
Transmitter Housing Durable polycarbonate or aluminium
Degree of Protection Standard: IP66/67, Type 4X; Option: IP68 Type 6P (remote sensor)
Display/Operation 4-line backlit display with touch control
Digital Communication HART, PROFIBUS DP, EtherNet/IP, Modbus RS485

The Proline Promag W 400 delivers reliable, accurate flow measurement for water and wastewater applications, combining a robust full-bore sensor design with flexible installation options, comprehensive approvals, and advanced diagnostic capabilities through Heartbeat Technology.

Endress Hauser Proline Promag W 400 Electromagnetic Flowmeter 5W4C1F 5W4C1H 5W4C25

 

The Proline Promag W 400 is a versatile electromagnetic flowmeter from Endress+Hauser, designed as a standard solution for the water and wastewater industry. With international approvals for both custody transfer and drinking water applications, it serves a broad spectrum of measurement tasks and is available in compact or remote versions.

The meter operates on a bidirectional electromagnetic measuring principle that is virtually independent of pressure, density, temperature, and viscosity. The patented full-bore sensor requires no inlet or outlet runs (0 x DN) and ensures constant accuracy with no pressure loss due to cross-section constriction. With no moving parts, the device is maintenance-free and delivers energy-efficient measurement. The nominal diameter range covers DN 25 to 2400 (1 to 90 inches), with measuring capabilities from 9 dm³/min up to 110,000 m³/h (2.5 gal/min to 700 Mgal/d).

Wetted materials are selected for compatibility with water and wastewater applications. Liner options include hard rubber (0 to +80°C), polyurethane (–20 to +50°C), and PTFE (–20 to +90°C). Electrode materials are available in 1.4435 (316L) stainless steel, Alloy C22 (2.4602 / UNS N06022), and Tantalum. Measurement accuracy is specified at ±0.5% of reading ± 1 mm/s for standard applications, with an optional high-accuracy version at ±0.2% of reading ± 2 mm/s. The maximum process pressure is PN 40, Class 300, or 20K.

The sensor housing is constructed from AlSi10Mg coated aluminum for DN 25 to 300, and carbon steel with protective varnish for larger sizes. The sensor meets EN ISO 12944 corrosion protection standards, making it suitable for underground or permanent underwater installation. Holds international drinking water approvals including ACS, KTW/W270, NSF 61, and WRAS BS 6920, with custody transfer certification according to MI-001/OIML R49 standards. Protection ratings include IP66/67, Type 4X as standard, with optional IP68 (Type 6P) for remote sensor versions.

The transmitter features a 4-line backlit display with touch control enabling safe operation without opening the device. Local operation is time-saving via an integrated web server without additional software or hardware, with WLAN access and an integrated data logger for measured value monitoring. The transmitter housing is constructed of durable polycarbonate or aluminum. Digital communication options include HART, PROFIBUS DP, EtherNet/IP, and Modbus RS485.

Integrated Heartbeat Technology enables continuous process safety monitoring and compliance verification, supporting traceable measurement and build-up detection.

The Proline Promag W 400 delivers reliable, accurate flow measurement for water and wastewater applications, combining a robust full-bore sensor design with flexible installation options, comprehensive approvals, and advanced diagnostic capabilities through Heartbeat Technology.

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