Proline Promag W 400 Electromagnetic Flowmeter
Brand: Endress+HauserProline Promag W 400 Electromagnetic Flowmeter
Brand: Endress+Hauser

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. 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
- 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
Specifications
Brand
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, 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: measured values monitoring
Nominal Diameter Range
- DN 25 to 3000 (1 to 120")
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
- 0.5 m3/h to 263000 m3/h (2.5gal/min to 1665 Mgal/d)
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
- 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 3000 (1 to 78"): Carbon steel with protective varnish
- Sensor connection housing (standard): AlSi10Mg, coated
- Sensor connection housing (option): Polycarbonate
Transmitter Housing Material
- Polycarbonat; 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 ouputs:
- 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 0DN 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