型号量程可读性重复性线性秤盘尺寸JA-500500g0.001g±0.001g±0.002gΦ120mmJA-410410g0.001g±0.001g±0.002gΦ120mmJA-310310g0.001g±0.001g±0.002gΦ120mmJA-210210g0.001g±0.001g±0.002gΦ120mmJA-120120g0.001g±0.001g±0.002gΦ120mmJA-50005000g0.01g±0.01g±0.02gΦ160mmJA-41004100g0.01g±0.01g±0.02gΦ160mmJA-31003100g0.01g±0.01g±0.02gΦ160mmJA-21002100g0.01g±0.01g±0.02gΦ160mmJA-12001200g0.01g±0.01g±0.02gΦ160mm)