Specification Model YT4200-P3 What's in the Box?YT4200-P3 YT4200-P3 Gauge (Ready to Use), 1 x Calibration Checkpieces (Aluminium and Steel) & 5 x Thickness Check Foils Typical Users include Vehicle Appraisers & Buyers, Panel Beaters / Motor Body Repairers, Painting Contractors, Galvanizers,Anodisers, Powder Coaters, Metal Fabricators,Chromers, Motor Vehicle Manufacturers, Vehicle Detailers, Zinc Platers etc Ferrous Metal Mode (Fe) (Typical Applications) Technology - Magnetic Induction - (enables measurement of non magnetic coatings on magnetic substrates such as Steel, Mild Steel, Cast Iron &Magnetic Stainless Steel). Example coatings:- Paint,Zinc / Galvanising, Chrome, Copper, Enamel, Rubber, Paint, Varnish, Powder Coating, Plastic etc. Measuring Range 0-1250µm (0-1.25mm) or 0-50mil Resolution 0.1µm (0-99.9 µm) and 1µm (over 100 µm) Accuracy ±1-3% (±2.5µm or 0.1mil - whichever the greater) Power Supply 2 x 1.