Endress+Hauser Proline Promag W 400 Electromagnetic Flowmeter

Endress+Hauser Proline Promag W 400 Electromagnetic Flowmeter

Product Description

The Endress+Hauser Proline Promag W 400 is a versatile and reliable electromagnetic flowmeter designed as a standard solution for the water and wastewater industry. It is ideal for measuring drinking water, utility water, and industrial or municipal wastewater, offering stable performance and long-term accuracy.

With its electromagnetic measuring principle, the Promag W 400 delivers accurate flow measurement without pressure loss and requires no straight inlet run (0 × DN). The robust sensor design, combined with a user-friendly transmitter featuring touch control and integrated web server, ensures safe operation, easy commissioning, and minimal maintenance.

The Promag W 400 is suitable for underground and underwater installations, offers IP68 protection, and is approved for custody transfer applications, making it a dependable choice for both operational and billing measurements.

Measuring Principle

Electromagnetic

Key Benefits

• Standard and versatile flowmeter for water and wastewater applications

• Accurate measurement with 0 × DN inlet run and no pressure loss

• Suitable for drinking water, utility water, and wastewater

• Robust design for underground and underwater installation

• Easy operation via touch display and integrated web server

• Integrated Heartbeat Technology for verification and diagnostics

• Approved for custody transfer applications

Sensor Features

• Flexible engineering with fixed or lap-joint process connections

• Corrosion protection according to EN ISO 12944

• Suitable for underground and underwater installation

• High plant availability due to compliance with industry standards

• International drinking water approvals

• Degree of protection IP68 (Type 6P enclosure)

• Approved for custody transfer according to MI-001 / OIML R49

Transmitter Features

• Safe operation without opening the device

• 4-line backlit display with external touch control

• Integrated web server for configuration via standard web browser

• No additional software or hardware required

• Integrated Heartbeat Technology for device verification

• Built-in data logger for monitoring measured values

• WLAN access for easy commissioning

• Durable transmitter housing made of polycarbonate or aluminium

Technical Specifications

Nominal Diameter Range

• DN 25 to DN 3000 (1" to 120")

Measured Variables

• Volume flow

• Conductivity

• Mass flow

Measuring Range

• 0.5 m³/h to 263,000 m³/h

• (2.5 gal/min to 1,665 Mgal/day)

Measurement Accuracy

• Standard: ±0.5 % of reading ± 1 mm/s (0.04 in/s)

• Optional (Flat Spec): ±0.2 % of reading ± 2 mm/s (0.08 in/s)

Wetted Materials

• Liner:

  • Hard rubber

  • Polyurethane

  • PTFE

• Electrodes:

  • 1.4435 (316L)

  • Alloy C22 / 2.4602 (UNS N06022)

  • Tantalum

Process Conditions

Medium Temperature Range

• Hard rubber liner: 0 to +80 °C (+32 to +176 °F)

• Polyurethane liner: –20 to +50 °C (–4 to +122 °F)

• PTFE liner: –20 to +90 °C (–4 to +194 °F)

Maximum Process Pressure

• PN 40

• ASME Class 300

• JIS 20K

Ambient Temperature Range

• –20 to +80 °C (depending on liner material)

Housing Materials

Sensor Housing

• DN 25 to 300: AlSi10Mg, coated

• DN 25 to 3000: Carbon steel with protective varnish

• Sensor connection housing (standard): AlSi10Mg, coated

• Sensor connection housing (option): Polycarbonate

Transmitter Housing

• Polycarbonate

• AlSi10Mg, coated

Degree of Protection

• Compact version: IP66/67, Type 4X

• Remote sensor version (standard): IP66/67, Type 4X

• Remote sensor version (option): IP68, Type 6P

• Corrosion protection according to EN ISO 12944 C5-M / Im1 / Im2 / Im3

Display and Operation

• 4-line backlit display with touch control

• Operation from outside the enclosure

• Configuration via local display, web browser, or operating tools

Outputs

• 0/4–20 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

Approvals and Certifications

Hazardous Area Approval

• cCSAus

Metrological Approvals

• Calibration according to ISO/IEC 17025

• NAMUR compliant

• Custody transfer according to MI-001 / OIML R49 (optional Class I with 0 × DN inlet run)

Pressure Approval

• CRN

Material Certificate

• EN 10204 3.1

Drinking Water Approvals

• ACS

• KTW-BWGL

• NSF 61

• WRAS BS 6920