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YK-IEF. Electromagnetic Flowmeter
The YK-IEF Electromagnetic Flowmeter consists of a sensor and a transmitter. Operating on Faraday's Law of Electromagnetic Induction, it measures the volumetric flow rate of conductive liquids (conductivity > 5 μS/cm) and is an induction-type instrument for conductive media. In addition to general conductive liquids, it also handles highly corrosive fluids (strong acids/alkalis), mud, ore slurry, paper pulp, and liquid-solid two-phase suspensions. Widely applied in petroleum, chemical, metallurgy, textile, paper, environmental protection, food processing, municipal management, water conservancy, and river dredging etc.
description1
Zipper closure
1/5 zip athletic pullovers for men. Stretchy, lightweight, fast-drying
fabric for superior performance.
REGULAR FIT - US standard sizes. An athletic fit that sits close to the
body
for a wide range of motion, designed for optimal performance and all day
comfort.
FEATURES - Quarter zip closure;Thumbholes on long sleeves to keep them
in
place during workout
Product Parameters
| Structure Form | Integrated Type, Split Type | Connection Method | Wafer Type, Flange Type, Insert Type |
| Housing Material | Carbon Steel, SUS304, SUS316 | Lining Material | Rubber, PTFE, PFA, F46 |
| Electrode Material | 316L, Hastelloy B, Hastelloy C, Tantalum, Titanium, Platinum, Tungsten Carbide | Ambient Temperature | -25 ~ 80°C |
| Process Temperature | -25 ~ 110°C | Applicable Pressure | 1.0 MPa, 1.6 MPa, 4.0 MPa (Negotiable) |
| Accuracy | ±0.5% | Electrical Interface | M20×1.5 (Negotiable) |
| Output Mode | Pulse Output, 4~20mA, HART Protocol, RS485, Relay | Protection Grade | IP65, IP68 |
| Certification | Intrinsically Safe and Flameproof | Power Supply Voltage | 220VAC, 24VDC, Battery |
Product Principle
Our electromagnetic flowmeter operates based on Faraday's Law of Electromagnetic Induction. A pair of electrodes is mounted on the measuring tube wall perpendicular to both the flow direction and the magnetic field.
When a conductive liquid flows through the measuring tube, it cuts the magnetic field lines and generates an induced electromotive force (EMF). This induced voltage is detected by the electrodes and is directly proportional to the flow velocity.
The induced voltage is expressed as:
E = K × B × v̅ × D
Where:
· E = Induced electromotive force (EMF)
· K = Instrument constant related to magnetic field distribution and sensor geometry
· B = Magnetic flux density
· V = Average flow velocity of the conductive liquid
· D = Distance between electrodes (internal diameter of the measuring tube)
The sensor converts the induced voltage into a flow signal and transmits it to the transmitter. The transmitter performs signal amplification, filtering, conversion, and digital processing, then displays both instantaneous flow rate and totalized flow on a backlit dot-matrix LCD display.
The transmitter supports multiple output and communication options, including:
· 4–20 mA Analog Output
· Pulse/Frequency Output
· Alarm Output
· RS-485 Communication Interface
This design ensures high measurement accuracy, excellent stability, and reliable performance in demanding industrial applications.
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