Kern ems series school balance precision balance kern ems 12k01 the kern ems 12k01 3 is an entry level precision balance which is perfect for use in the biology chemistry or physics department of any school or university it features a large shock proof plastic weighing plate ergonomically optimised key pad and non slip rubber feet whats in the boxkern ems 12k01 3 weighing platemains power supplyinstruction manual kern ems 12k01 precision balance 01g 12000g