| Model | BM-20 | BM-22 |
| Weighing capacity | 22 g | 5.1 g / 22 g ** |
| Minimum weighing value | 0.001 mg | 0.001 mg / 0.01 mg |
| Repeatability (Standard deviation) | 0.0025 mg (for 1 g) | 0.004 mg (for 1 g) / 0.01 mg |
| Linearity | ±0.010 mg | ±0.010 mg / ±0.02 mg |
| Weighing pan | Ø25 mm | |
