E+H Promag W 10 High-Accuracy Electromagnetic Flowmeter

Our W-10 Series Electromagnetic Flow Meter is designed for continuous, high-accuracy flow measurement of conductive liquids across municipal water distribution, industrial wastewater processing, agricultural irrigation, and desalination facilities.Built with a obstructionless full-bore design, the meter creates zero pressure loss in the pipeline and prevents clogging, making it ideal for liquids containing suspended solids, sludge, or aggressive chemicals. Features state-of-the-art sensor lining materials (Hard Rubber, Polyurethane, PTFE, PFA) and high-corrosion-resistant electrodes (316L, Hastelloy C, Titanium, Tantalum) to ensure long service life in harsh environments.Maintenance-Free & Zero Pressure Loss: The non-intrusive sensor structure has no moving parts, reducing wear and tear while saving pumping energy costs.Versatile Submersion & Burial Capability: Certified up to IP68 protection, allowing the flow sensor to be installed underwater or underground without requiring costly concrete pits.User-Friendly Transmitter & Smart Connectivity: Equipped with a backlight LCD display for real-time flow rate and totalizer monitoring. Supports remote and compact electronics configuration with seamless PLC/SCADA integration via Modbus-RTU or HART protocols.

Frequently Asked Questions

Q1: What is the minimum conductivity required for this electromagnetic flowmeter to operate?

A: The fluid must have a minimum electrical conductivity of ≥ 5 μS/cm (or ≥ 20 μS/cm for demineralized/demineralized water). It is suitable for most water-based liquids, acids, alkalis, and conductive slurries, but cannot measure oil, gas, or pure water/RO water with zero conductivity.

Q2: What straight pipe length is required for installation?

A: For optimal measurement precision, we recommend a straight pipe run of 5D upstream (5 times the pipe diameter) and 2D downstream from the flowmeter sensor. If placed after valves or elbows, additional straight length may be required.

Q3: Can the sensor be buried underground or submerged in water?

A: Yes. With the IP68 protection rating and appropriate cable sealing options, the sensor can be directly buried underground or continuously submerged in water without compromising performance.

Q4: Do you offer OEM/ODM customization for custom logos, enclosures, or flanges?

A: Absolutely. As a direct manufacturer, we offer full OEM/ODM services including custom branding, tailored flange standards (ANSI, DIN, JIS), special lining/electrode combinations, and private-label transmitter enclosures.

Q5: How is the flow meter calibrated before dispatch?

A: Every single unit undergoes rigorous 5-point wet calibration on our automated hydraulic flow calibration rig (traceable to national standards) before shipment. A factory calibration certificate is included with each order.

Especificaciones técnicas

Especificaciones verificadas del producto

Sensor Characteristics	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). International drinking water approvals. Installation length: DVGW/ISO conform.
Transmitter Features	Optimum usability – operation with mobile devices and SmartBlue app or display with touch screen. Simple, time-saving commissioning – guided parameterization in advance and in the field. Integrated verification – Heartbeat Technology. System integration with HART, Modbus RS485. Flexible operation with app and optional display.
Nominal Diameter	DN 25 to 3000(1 to 120")
Material of Wetted Parts	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 +160 °F) Electrodes: 1.4435 (316L); Alloy C22, 2.4602 (UNS N06022)
Measurement Variables	Volume flow, conductivity, mass flow
Maximum Measurement Error	Volume flow (standard): ±0.5 % o.r. ± 1 mm/s (0.04 in/s)
Measuring Range	0.5 m3/h to 263000 m3/h (2.5gal/min to 1665 Mgal/d)
Maximum 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	-40 to 60°C (-40 to 140°F)
Sensor Housing Material	DN 25 to 300 (1 to 12"): AlSi10Mg, coated DN 350 to 2000 (14 to 78"): Carbon steel with protective varnish
Transmitter Housing Material	Polycarbonat; AlSi10Mg, coated
Protection Level	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
Display/Operation	LCD display with touch & auto rotate
Output	4-20 mA HART (active/passive), Pulse/frequency/switch output Modbus RS485, 4-20 mA
Digital Communication	HART, MODBUS RS485, IO-Link
Power Supply	DC 24 V AC 100 to 230 V AC 100 to 230 V / DC 24 V (non-hazardous area)
Explosion-proof Certification	CSA, GP, KC
Metrological Certification and Certificates	Calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025) Heartbeat Technology complies with the requirements for measurement traceability according to ISO 9001:2015 – Section 7.1.5.2 a (TÜV SÜD attestation)
Pressure Certification and Certificate	CRN, PED
Materials Certificate	3.1 material
Hygiene Certification and Certificates	Drinking water approvals: ACS, KTW-BWGL, NSF 61, WRAS BS 6920

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