
Product Features
- Standard calibration weights for self-check or calibration of laboratory or workplace scales.
- Available materials: Stainless Steel #201, Stainless Steel #304, and Stainless Steel #316 (limited to E2 grade).
- Two forms available: single-hook weights and double-hook weights.
- Optional third-party calibration service available, with official calibration reports issued by the Bureau of Standards, Metrology and Inspection (MOEA) or secondary laboratories.
- Boxed weight sets also available upon request.
- Custom non-standard weight values can be made to order—please contact us for details.
Permissible error values as specified by international OIML standard weights
Weight / Class |
E2 ±mg |
F1 ±mg |
F2 ±mg |
M1 ±mg |
1 mg |
0.006 |
0.020 |
0.06 |
0.20 |
2 mg |
0.006 |
0.020 |
0.06 |
0.20 |
5 mg |
0.006 |
0.020 |
0.06 |
0.20 |
10 mg |
0.008 |
0.025 |
0.08 |
0.25 |
20 mg |
0.010 |
0.03 |
0.10 |
0.3 |
50 mg |
0.012 |
0.04 |
0.12 |
0.4 |
100 mg |
0.016 |
0.05 |
0.16 |
0.5 |
200 mg |
0.020 |
0.06 |
0.20 |
0.6 |
500 mg |
0.025 |
0.08 |
0.25 |
0.8 |
1 g |
0.03 |
0.10 |
0.3 |
1.0 |
2 g |
0.04 |
0.12 |
0.4 |
1.2 |
5 g |
0.05 |
0.16 |
0.5 |
1.6 |
10 g |
0.06 |
0.20 |
0.6 |
2.0 |
20 g |
0.08 |
0.25 |
0.8 |
2.5 |
50 g |
0.10 |
0.3 |
1.0 |
3.0 |
100 g |
0.16 |
0.5 |
1.6 |
5.0 |
200 g |
0.3 |
1.0 |
3.0 |
10 |
500 g |
0.8 |
2.5 |
8.0 |
25 |
1 kg |
1.6 |
5.0 |
16 |
50 |
2 kg |
3.0 |
10 |
30 |
100 |
5 kg |
8.0 |
25 |
80 |
250 |
10 kg |
16 |
50 |
160 |
500 |
20 kg |
30 |
100 |
300 |
1000 |
50 kg |
80 |
250 |
800 |
2500 |