QNix 4500 – a handy, fast and robust coating thickness gauge. QNix 4500 was developed particularly for measuring tasks in the automobile industries. This compact gauge permits extremely precise measurements of lacquer and anti – corrosion protection coating thicknesses, both on steel and iron as well as on non-ferrous metals such as aluminum, zinc and copper. The automatic substrate recognition, extended measuring range, and increased measuring speed is what make this gauge special.