Kern cke 2000 2 laboratory high accuracy precision counting scales kern cke 2000 2 p the kern cke 2000 2 are laboratory high accuracy precision counting scales that have been designed to make performing counting and weighing as simple as possible the scales use an intuitive easy to use graphical control panel that even beginner users can understand br the counting system requires just four steps p ol li place the empty container the tare on the weighing plate and press the tare key