The SM Series magmeter from ifm electronic is designed to detect the flow rate of conductive media up to 50 l/m in the SM7 series or even 100 l/m in the SM8 variant. The SM Magmeter’s stainless steel, mechanically-robust design is mounted in-line providing a compact, low-profile installation for process control.
The sensor display includes a four-digit numeric display with eight integrated LEDs that together indicate the flow rate, total volume and temperature of the conductive media. Simple pushbutton programming quickly establishes application parameters and the flowmeter can be set-up to provide a switching, analogue or pulsed output.
The sensor offers high accuracy with a response time of less than 0,15 s and a repeatability of ±0,2%, with electrical connection made through an M12 connector.
The principle of operation is based upon Faraday’s Law of electromagnetic induction that detects the flow velocity of an electronically conducting fluid through a defined pipe diameter. Faraday’s Law states that the voltage induced across any conductor as it moves at right angles through a magnetic field is proportional to the velocity of that conductor.
Typical applications include flow and temperature monitoring through heat exchangers, monitoring cooling water on welding machines, batching applications, totalising flow of process water, pump run dry protection and guarding welding equipment against loss of cooling water.
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