... 2.The QuaNix 4200 dry film thickness gauge measures all non-magnetic coatings such as lacquer Dry film thickness gauge The QuaNix ... 4200 dry film thickness gauge measures all non-magnetic coatings such as lacquer,chromium,copper,zinc etc.on steel ... thickness gauge additionally measures all insulating coatings such as lacquer,plastic,enamel,etc.on non-magnetic,metallic substrates,e.g on ...