Mahr Federal has introduced a new MarCheck measuring and evaluation unit for its high precision Linear 100 universal length measuring instrument. MarCheck allows both measurements and calibrations to be performed at the touch of a button. Results are clearly shown in large digits on the display screen and can be output via USB or RS 232 ports. With a direct measuring range of up to 50 mm and an application range of up to 100 mm, the Mahr Federal Linear 100 provides rapid high-accuracy internal and external measurements directly on the shop floor. Easy-to-use menus guide operators, and measurements are performed systematically using function keys, the company explains.