产品型号F1级/F2级/M1级 准确度级别质量允差（mg）(?)标称质量值2级（E2）3级（F1）4级（F2）5级（M1）50kg75250750250020kg30100300100010kg15501505005kg7.525752502kg3.010301001kg1.551550500g0.752.57.525200g0.301.03.010100g0.150.51.5550g0.100.301.0320g0.080.250.82.510g0.060.200.62.05g0.050.150.51.52g0.040.120.41.21g0.030.100.31.0500mg0.0250.080.250.8200mg0.0200.060.200.6100mg0.0150.050.150.550mg0.0120.040.120.420mg0.0100.030.100.310mg0.0060.020.060.25mg0.0060.020.060.22mg0.0060.020.060.21mg0.0060.020.060.2