標(biāo)準(zhǔn)值20kg10kg5kg2kg1kg500g200g100g50g20g10g5g 質(zhì)量允差 (mg)( )準(zhǔn)確度等級(jí) F1級(jí)10050251052.510.50.30.250.20.16F2級(jí)300160803016831.610.80.60.5M1級(jí)1000500250100502510532.521.6M2級(jí)3000160080030016075301610865 標(biāo)準(zhǔn)值2g1g500mg200mg100mg50mg20mg10mg5mg2mg1mg 質(zhì)量允差 (mg)( )準(zhǔn)確度等級(jí) F1級(jí)0.120.10.080.060.050.040.030.0250.020.020.02F2級(jí)0.40.30.250.20.160.120.10.080.060.060.06M1級(jí)1.210.80.60.50.40.30.250.20.20.2M2級(jí)432.521.6