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E-mag W Electromagnetic Flow Meter

The E-mag W type electromagnetic flowmeter uses a 3.6V lithium battery pack to supply power. It can also provide dual power supply according to site requirements, that is, 220V + 3.6V lithium battery or 24V + 3.6V lithium battery (its supporting converter is IP68 integrated), which is standard. Lithium batteries can work continuously for more than 3 years. If equipped with a high-capacity lithium battery pack, the continuous working time will be longer.
Product description

Product Overviews


Kaifeng Instrument E-mag series electromagnetic flow meters (or magnetic flow meters) are comprised of a converter and sensor. Then sensor is placed inline, and the converter picks up the voltage signals generated by the fluid passing through the sensor, then convert the voltage to the readings on the integrated LCD display or a control system.

The battery powered magnetic flow meter uses an well sealed meter body, with various lining material options and different process connection styles it can work for applications as water supply, waste water treatment, chemical plant, brine piping in mining, water-coal transferring, and etc.

The well designed structure provides a hermetic seal that protects against moisture and other contaminants. The sealed housing ensures maximum sensor reliability (up to IP68) by protecting all internal components and wiring from even the most aggressive environments.

With the integrated battery power supply, the meter can be installed to the sites where power access is limited. With 5-section correction calculation, the E-mag C converter provides highly accurate and stable measurements in even the most critical applications. With the advanced self-diagnostic and intuitive local operating interface, it's easy to install, maintenance and operate with best-in-class performance.


Features and Functions


● A fully welded sensor housing provides a hermetic seal, ensure reliability in the harshest environments with an all-welded sensor housing


● Lithium battery can provide power for the meter up to 3 years (options for rechargable battery group with UPS)


● Minimize maintenance and repair with an obstructionless design featuring no moving parts


● Tunable Empty Pipe diagnostic minimizes issues and false readings when the pipe is empty


● Robust, fully welded construction designed to withstand sustained vibration


● Easy-to-read LCD display with backlight is visible in low light environments and in direct sunlight


● Intuitive configuration and accessibility with an easy-to-use Local Operator Interface

Technical Parameters

Medium Conductivity: 

 20 µS/cm (Liquids or  mixture)

Media Temperature: 

≦80℃ (Polyurethane), ≦120℃ (Neoprene), ≦150℃ (PFA), ≦150℃ (PTFE)

Ambient Temperature: 

-25°C ~ 60°C ( Sensor), -10°C/-40°C ~ 60°C ( Convertor)

Sensor Size: 

DN15mm ~ DN800 mm


1.0% of  reading

Material of Sensor: 

Measuring Tube - Stainless Steel 304;  Coil - Copper; Sensor housing - Carbon steel or Stainless steel 304

Liner Material: 

PFA, PTFE, Neoprene, PU

Electrode  & Grounding:

Stainless Steel 316L, Hastelloy B,  Hastelloy C, Titanium, Tantalum, Tungsten carbide

Process  Connections:

Flanged, thread

Flange Types:

Standard: ANSI 150# Optional: JIS 10K/   JIS 20K/ JIS 40K ANSI 300#/ ANSI 600# DIN PN 10/ PN 16/ PN25/ PN 40


IP 65, IP67 or   IP 68 (Submersible, with remote style)

Power Requirements:

3.6V Li-Battery, 3.6V Li-Battery + 220V.AC,  3.6V Li-Battery + 24V.DC


Pulse(for commisioning)



Industry Applications


Applications for water, wastewater, mining, mineral processing, power, pulp and paper, and chemical industries. Magnetic flowmeters are used in water treatment plants to measure treated and untreated sewage, process water, water and chemicals. Mining and mineral process Industry applications include process water and process slurry flows and heavy media flows.

 With proper material selected for the lining and electrode, the flow of highly corrosive liquids (such as acid and caustic) and abrasive slurries can be measured in the chemical industry processes and in the mining, mineral processing, pulp and paper, and wastewater industries.
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Contact information

No. 38, Bianjing Road, Kaifeng, Henan, China

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