型号BS(友声),BH（英展）***大称量300G600G1200G3000G分辨率0.005G0.01G0.02G0.05G称盘尺寸圆形￠116方型144*124*6.5功能LCD(带背光),具计重,计数百分比功能,附防风罩,有13种单位可选择型号BL（西特）***大称量120G20031041050012002000310041005000分辨率0.0010.0010.0010.0010.0010.010.010.010.010.01称盘尺寸120158功能荧光显示,数据输出,计数功能)