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(fù)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 BL-1200S1200g0.01g 0.02 0.01 158mm BL-2000S2000g0.01g 0.02 0.01 158mm BL-3100S3100g0.01g 0.02 0.01 158mm BL-4100S 4100g0.01g 0.02 0.01 158mm BL-5000S5000g0.01g 0.02 0.01 158mm BL-120LCD120g0.001g￠120mm BL-200LCD200g0.001g￠120mm BL-300LCD300g0.001g￠120mm BL-410LCD410g0.001g￠120mm BL-1200LCD1200g0.01g￠158mm BL-2000LCD2000g0.01g￠158mm BL-3000LCD3000g0.01g￠158mm BL-4100LCD4100g0.01g￠158mm