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What are error limited classes? The error limit classes are graded in the strict hierarchic ratio of 1:3, whereby E1 is the most exact and M1 the least exact weight class.

Error limits (tolerances) These indicate to which plus and minus extent a weight may deviate from the nominal value. The error limits are according to the measuring uncertainty of the weight if a calibration certificate (DKD Certificate) is not available.

Please note we supply sets of calibration weights as well as individual weights, these box sets can be found under their relevant class category.

e1 e2 f1 f2 m1

Nominal Value e1 e2 f1 f2 m1
1 mg 0,002 mg 0,006 mg 0,020 mg 0,06 mg 0,20 mg
2 mg 0,002 mg 0,006 mg 0,020 mg 0,06 mg 0,20 mg
5 mg 0,002 mg 0,006 mg 0,020 mg 0,06 mg 0,20 mg
10 mg 0,002 mg 0,008 mg 0,025 mg 0,08 mg 0,25 mg
20 mg 0,003 mg 0,010 mg 0,03 mg 0,10 mg 0,3 mg
50 mg 0,004 mg 0,012 mg 0,04 mg 0,12 mg 0,4 mg
100 mg 0,005 mg 0,015 mg 0,05 mg 0,15 mg 0,5 mg
200 mg 0,006 mg 0,020 mg 0,06 mg 0,20 mg 0,6 mg
500 mg 0,008 mg 0,025 mg 0,08 mg 0,25 mg 0,8 mg
1 g 0,010 mg 0,030 mg 0,10 mg 0,3 mg 1,0 mg
2 g 0,012 mg 0,040 mg 0,12 mg 0,4 mg 1,2 mg
5 g 0,015 mg 0,050 mg 0,15 mg 0,5 mg 1,5 mg
10 g 0,020 mg 0,060 mg 0,20 mg 0,6 mg 2,0 mg
20 g 0,025 mg 0,080 mg 0,25 mg 0,8 mg 2,5 mg
50 g0,030 mg0,010 mg0,30 mg1,0 mg3,0 mg
100 g 0,05 mg 0,015 mg 0,50 mg 1,5 mg 5,0 mg
200 g 0,10 mg 0,30 mg 1,0 mg 3,0 mg 10 mg
500 g 0,25 mg 0,75 mg 2,5 mg 7,5 mg 25 mg
1 kg 0,50 mg 1,50 mg 5 mg 15 mg 50 mg
2 kg 1,0 mg 3,0 mg 10 mg 30 mg 100 mg
5 kg 2,5 mg 7,5 mg 25 mg 75 mg 250 mg
10 kg 5 mg 15 mg 50 mg 150 mg 500 mg
20 kg 10 mg 30 mg 100 mg 300 mg 1000 mg
50 kg 25 mg 75 mg 250 mg 750 mg 2500 mg
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