产品规格 

型号           BM-20     BM-22         BM-252      BM-200     BM-300      BM-500
量程             22g       5.1g/22g        250g          220g            320g           520g
显示精度     1μg     1μg/0.01mg    0.01mg     0.1mg        0.1mg        0.1mg
重复精度 0.0025mg0.004mg/0.01mg 0.03mg0.1mg 0.2mg
线性      ±0.010mg ±0.010mg/±0.02mg ±0.01mg ±0.2mg ±0.3mg ±0.5mg