Kern kb series precision balance kern kb 240 3n this compact balance offers you extensive weighing functions which are virtually unique in this price category user guidance step by step through yesno dialogue on the displaythe kern kb 240 3n model has standard functions like parts counting weighing percentage weighing and multiple weighing units including programmable weighing unit the unit is glp compliant when connected to a printer kern kb 240 3n precision balance 240g 0001