Sauter tf and tg coating thickness meters sauter tf 1250 01fn the sauter tf1250 01fn coating thickness meter is a premium thickness measuring device for paint coatings lacquer coatings etc it has a sensor built into the meter housingin f mode the meter measures the coating thickness of non magnetic materials eg paint plastic porcelain enamel copper zinc aluminium chrome lacquer layers etc that are located on magnetic metals eg steel iron nickel etc applications inclu