The DeFelsko PosiTest DFT Paint Thickness Gauge is ready for use straight out of the box and powers on automatically when placed on the panel to be measured. Measurements are taken almost instantly (in either microns or mils, selectable via the touch of a button), with on-screen averaging available for the last 99 readings. The all-in-one magnetic-induction and eddy current sensor measures paint thickness on all metal substrates, including steel and aluminium, making it ideal for use on high performance vehicles with lightweight metal panels. The sensor automatically detects the base metal and takes corrected readings accurate to within +/- 2 microns plus 3%, which equates to approximately +/- 5 microns on typical factory finishes. The DeFelsko PosiTest DFT Paint Thickness Gauge features an auto-rotating, high contrast colour display with adjustable brightness. This display is easy to read in all conditions and automatically switches off when not in use. The DeFelsko PosiTest DFT Paint Thickness Gauge comes with a formal certificate of calibration and the calibration itself can easily be checked with the supplied reference shims, or modified or reset if necessary. The DeFelsko PosiTest DFT Paint Thickness Gauge is supplied with a hard shell storage case, a wrist strap, a set of plastic reference shims, 2 x AAA batteries, full instructions and a two year return to base warranty.