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 ensures compliance and process safety at all times.
● With EN ISO 12944 corrosion protection for underground installation or permanent underwater use
● Flexible engineering – sensor with welded or lap-joint process connections
●Reliable measurement – accurate measured values even with 0 DN inlet run
● Improved plant availability – sensor compliant with industry-specific requirements
● 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
● 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
Product headline
Versatile standard flowmeter for the water and wastewater industry. For direct underground installation or permanent underwater use. Ideal for water measurement , e.g. drinking water, utility water and industrial/municipal wastewater.
Sensor features
Flexible engineering – sensor with welded or lap-joint process connections. Reliable measurement – accurate measured values even with 0 DN inlet run. Improved plant availability – sensor compliant with industry-specific requirements. International drinking water approvals. Degree of protection IP68 (Type 6P enclosure).
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.
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); TantalumMeasured 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)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): PolycarbonateTransmitter 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 enclosureDisplay/Operation
4‐line backlit display with touch control (operation from outside)
Configuration via local display, web browser and operating tools possibleOutputs
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
