Proline Promag W 400 Electromagnetic Flowmeter

The Endress+Hauser Proline Promag W 400 is a versatile standard electromagnetic flowmeter designed for the water and wastewater industry. It offers reliable measurement with constant accuracy, featuring 0 x DN inlet run and no pressure loss.

Image description: The Proline Promag W 400 flowmeter is depicted as a robust, industrial device, primarily blue and white, with a clear digital display on top and sturdy flanges for process connections. It bears "CE" and "FLEX" markings.

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.

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: 9 dm³/min to 162 000 m³/h (2.5 gal/min to 100 000 gal/min).
• 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 international approvals for custody transfer and drinking water, the Promag W serves a broad variety of applications. It is available as both compact or remote version. The Promag W 400 saves time and costs due to its optimized functionality for Water & Wastewater. Heartbeat Technology ensures measurement reliability and compliant verification.

Features and Specifications

Measuring Principle

Electromagnetic

Product Headline

Versatile standard flowmeter for the water and wastewater industry. Reliable measurement at constant accuracy with 0 x DN inlet run and no pressure loss. Ideal for water measurement, e.g., drinking water, utility water, and industrial/municipal wastewater.

Sensor Features

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. International drinking water approvals. Degree of protection IP68 (Type 6P enclosure). Approved for custody transfer to MI-001/OIML R49.

Transmitter Features

Safe operation – no need to open the device due to display with touch control and 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 for measured values monitoring.

Nominal Diameter Range

DN 25 to 2400 (1 to 90")

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.

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), Flat Spec.

Measuring Range

9 dm³/min to 162 000 m³/h (2.5 gal/min to 100 000 gal/min)

Max. Process Pressure

PN 40, Class 300, 20K

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

• Liner material hard rubber: 0 to +80 °C (+32 to +176 °F)
• Liner material polyurethane: -20 to +50 °C (-4 to +122 °F)

Sensor Housing Material

• DN 25 to 300 (1 to 12"): AlSi10Mg, coated
• DN 25 to 2000 (1 to 78"): Carbon steel with protective varnish
• Sensor connection housing (standard): AlSi10Mg, coated
• Sensor connection housing (option): Polycarbonate

Transmitter Housing Material

• Polycarbonate; 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, with protective varnish according to EN ISO 12944 C5 - M/Im1/Im2/Im3
• 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 outputs:
• 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...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
• Custody transfer according to MI - 001 or OIML R49 (optional class I in combination with ODN inlet run)

Pressure Approvals and Certificates

• CRN

Material Certificates

• 3.1 material

Hygienic Approvals and Certificates

• Drinking water approval: ACS, KTW/W270, NSF 61, WRAS BS 6920