Classification of balances |
Non-automatic scales |
Class: | Verifying unit [e] | Quantity of verifying units [n=Max/e] | Minimal load [Min]* | Minimal | Maximal | Lower threshold | Special | | 0,001g  e | 50.000 | - | 100 e (d)** | High | | 0,001g  e  0,05 g | 100 | 100 000 | 20 e (d)** | 0,1g  e | 5.000 | 100 000 | 50 e (d)** | Average | | 0,1g  e  2g | 100 | 10 000 | 20 e | 5g  e | 500 | 10 000 | 20 e | Normal | | 5g  e | 100 | 1 000 | 10 e |
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* Minimal load is reduced to 5e for balances class II and III, used for determining fees according to scale of postal charges ** For balances with one weighing range equipped with supportive indication devices |
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| Automatic scales |
| Verifying unit unit – single-unit balances |
Class: | Verifying unit [e] | Quantity of verifying units [n=Max/e] | min. | max. | XI | Y(I) | 0,001g  e | 50.000 | - | XII | Y(II) | 0,001g  e  0,05g | 100 | 100.000 | 0,1g  e | 5.000 | 100.000 | XIII | Y(a) | 0,1g  e  2g | 100 | 10.000 | 5g  e | 500 | 10.000 | XIIII | Y(b) | 5g  e | 100 | 1.000 |
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| Verifying unit – multi-unit balances |
Class: | Verifying unit [e] | Quantity of verifying units [n=Max/e] | min.(1) n=Maxi/e(i+1) | max. n=Maxi/ei | XI | Y(I) | 0,001g  ei | 50.000 | - | XII | Y(II) | 0,001g  ei  0,05g | 5.000 | 100.000 | 0,1g  ei | 5.000 | 100.000 | XIII | Y(a) | 0,1g  ei | 500 | 10.000 | XIIII | Y(b) | 5g  ei | 50 | 1.000 |
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| i = 1,2,... r i= sub-range r= total number of ranges |