Test Weights
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 M3 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.

| Nominal Value |
 |
 |
 |
 |
 |
 |
 |
| 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 |
±3
mg |
±10
mg |
| 2 g |
±0,012
mg |
±0,040
mg |
±0,12
mg |
±0,4
mg |
±1,2
mg |
±4
mg |
±12
mg |
| 5 g |
±0,015
mg |
±0,050
mg |
±0,15
mg |
±0,5
mg |
±1,5
mg |
±5
mg |
±15
mg |
| 10 g |
±0,020
mg |
±0,060
mg |
±0,20
mg |
±0,6
mg |
±2,0
mg |
±6
mg |
±20
mg |
| 20 g |
±0,025
mg |
±0,080
mg |
±0,25
mg |
±0,8
mg |
±2,5
mg |
±8
mg |
±25
mg |
| 50 g | ±0,030
mg | ±0,010
mg | ±0,30
mg | ±1,0
mg | ±3,0
mg | ±10
mg | ±30
mg |
| 100 g |
±0,05
mg |
±0,015
mg |
±0,50
mg |
±1,5
mg |
±5,0
mg |
±15
mg |
±50
mg |
| 200 g |
±0,10
mg |
±0,30
mg |
±1,0
mg |
±3,0
mg |
±10
mg |
±30
mg |
±100
mg |
| 500 g |
±0,25
mg |
±0,75
mg |
±2,5
mg |
±7,5
mg |
±25
mg |
±75
mg |
±250
mg |
| 1 kg |
±0,50
mg |
±1,50
mg |
±5
mg |
±15
mg |
±50
mg |
±150
mg |
±500
mg |
| 2 kg |
±1,0
mg |
±3,0
mg |
±10
mg |
±30
mg |
±100
mg |
±300
mg |
±1000
mg |
| 5 kg |
±2,5
mg |
±7,5
mg |
±25
mg |
±75
mg |
±250
mg |
±750
mg |
±2500
mg |
| 10 kg |
±5
mg |
±15
mg |
±50
mg |
±150
mg |
±500
mg |
±1500
mg |
±5000
mg |
| 20 kg |
±10
mg |
±30
mg |
±100
mg |
±300
mg |
±1000
mg |
±3000
mg |
±10000
mg |
| 50 kg |
±25
mg |
±75
mg |
±250
mg |
±750
mg |
±2500
mg |
±7500
mg |
±25000
mg |