美國西特電子天平美國西特電子天平 型號稱量最小讀數(shù)線性重復性稱盤尺寸 BL-120S120g0.001g 0.002 0.001 120mm BL-200S200g0.001g 0.002 0.001 120mm BL-310S310g0.001g 0.002 0.001 120mm BL-410S410g0.001g 0.002 0.001 120mm BL500S500g0.001g 0.002 0.001 120mm特性: BL-1200S1200g0.01g 0.02 0.01 158mm◆高精確度BL-2000S2000g0.01g 0.02 0.01 158mm◆高分辯率