The EMLI™ III electromagnetic level measurement system utilizes state-of-the-art technology in the measurement and detection of liquid metal levels. The EMLIII architecture has been designed so that a single management unit can oversee the operation of several different control units. The management unit then functions as the interface between the plant Level II system and the various monitored processes.

Click here to download a copy of the EMLI III system overview brochure.

 of conuspended sensor is basically a balanced coil that is suspended over the liquid pool of metal.  The proprietary coil design is such that the measurement area is concentrated to a narrow area below the sensor.  This design minimizes the influence of materials above the sensor or the influence of the mold side walls..

The sensor consists of three coils, one transmitter coil and two receiver coils.  An excitation signal from the EMLI™ electronic unit is applied to the transmitter coil.  The receiver coils are connected in such a manner that when there is no metal present in the sensors measurement field,  the output of the sensor  is approximately zero.  This is considered to be the 'balanced' condition.  

When metal in introduced into the sensor's measurement field, the metal has a greater effect on one of the receiver coils than on the other.  This causes an output from the sensor and the sensor is said to be 'unbalanced'.

This effect is used by the EMLI™ electronic unit to generate a signal that is proportional to the level of metal in the mold.

Ladle Level Measurement

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Ladle Slag Detection

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Tundish Vortex Prevention

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Slab Edge Detection

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