Buehler, the world's premier manufacturer of scientific equipment and supplies for material preparation and analysis, introduces its EcoMet® 250/300 Pro grinder-polisher with AutoMet® 250/300 power head. New capabilities include the ability to store and recall 32 methods via touch screen controls, a Zaxis (Z-axis) function that removes material by depth instead of time and platen and power head speeds that adjust in 10 rpm increments. The EcoMet 250/300 Pro/AutoMet 250/300 semi-automatic system, with its programmable and adjustable functions, increases consistency and repeatability, ensures better flatness and enables method optimization compared to manual grinding.