Level control in closed melting furnaces OndoSense offers a contact-free level control of molten metal from the outside through the lid of the melting furnace. Tags:level measurement (tag)Level sensor (tag)Melting furnace (tag)Metal industry (tag)Molten metal (tag)OndoSense apex (tag)OndoSense apex (tag)OndoSense FurnaceProtect (tag)Radar sensor (tag)Radar solution (tag)steel industry (tag)