如何根据天平的等级选择相应的砝码级别

  jason_song · 2011-03-22 17:02 · 54216 次点击

如何根据天平的等级选择相应的砝码级别
天平分辨率*OIMLR111-1:2004
例子：
如您的天平最大称量是205g，可读性为0.001g（1mg）。
此天平的分辨率为205g：0.001g=205,000d。
依据此分辨率您应该从E2中选择一个相应的校验砝码。
6,000dM1
＜30,000dF2
＜100,000dF1
＜500,000dE2
＞500,000dE1
分辨率=最大稱量/可讀性

 天平, 天平, 等级, 选择, 相应, 砝码, 级别

3 条回复

jcgscbj 2012-03-24 08:26: 好资料，学习了，谢谢楼主的分享！

hlm350521 2011-08-05 09:58: 非常不错

Alu 2011-03-22 17:31: 如何选购砝码
如何根据天平的等级选择相应的砝码级别
天平分辨率* OIML R111-1:2004
例子：
如您的天平最大称量是205g，可读性为0.001g(1mg)。
此天平的分辨率为205g：0.001g=205,000d。
依据此分辨率您应该从E2中选择一个相应的校验砝码。

OIML允差表 (±mg)
Weight class E1E2F1F2M1M2
2000kg 1000030000100000300000
1000kg 160050001600050000160000
500kg 800250080002500080000
200kg 300100030001000030000
100kg 1605001600500016000
50kg258025080025008000
20kg103010030010003000
10kg516501605001600
5kg2.582580250800
2kg131030100300
1kg0.51.651650160
500g0.250.82.582580
200g0.10.3131030
100g0.050.160.51.6516
50g0.030.10.31310
20g0.0250.080.250.82.58
10g0.020.060.20.626
5g0.0160.050.160.51.65
2g0.0120.040.120.41.24
1g0.010.030.10.313
500mg0.0080.0250.080.250.82.5
200mg0.0060.0200.060.20.62
100mg0.0050.0160.050.160.51.6
50mg0.0040.0120.040.120.4
20mg0.0030.0100.030.10.3
10mg0.0030.0080.0250.080.25
5mg0.0030.0060.020.060.2
2mg0.0030.0060.020.060.2
1mg0.0030.0060.020.060.2

ASTM允差表 (±mg)
Weight class Class 0 Class 1 Class 2 Class 3 Class 4 Class 5
50kg6312525050010002500
20kg25501002004001000
10kg132550100200500
5kg6122550100250
2kg2.55102040100
1kg1.32.55102050
500g0.61.22.551030
200g0.250.512415
100g0.130.250.5129
50g0.060.120.250.61.25.6
20g0.0370.0740.10.350.73
10g0.0250.050.0740.250.52
5g0.0170.0340.0540.180.361.3
2g0.0170.0340.0540.130.260.75
1g0.0170.0340.0540.10.20.5
500mg0.0050.010.0250.080.160.38
200mg0.0050.010.0250.060.120.26
100mg0.0050.010.0250.050.10.2
50mg0.0050.010.0140.0420.0850.16
20mg0.0050.010.0140.0350.070.12
10mg0.0050.010.0140.030.060.1
5mg0.0050.010.0140.0280.0550.08
2mg0.0050.010.0140.0250.050.06
1mg0.0050.010.0140.0250.050.05

如何根据天平的等级选择相应的砝码级别

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