| Model | SW-1S/1C/LR, ID-U | |||||
| Approval | Max.capacity (kg) | 1/2 | 2.5/5 | 4/10 | 10/20 | 15/30 |
| Readability (g) | 0.5/1 | 1/5 | 2/5 | 5/10 | 5/10 | |
| Resolution | 1/2,000 | 1/2,500 | 1/2,000 | 1/2,000 | 1/3,000 | |
| Nonapproval | Max.capacity (kg) | 2 | 5 | 10 | 20 | - |
| Readability (g) | 0.2 | 0.5 | 1 | 2 | - | |
| Resolution | 1/10,000 | |||||
| Display digit | 5 digits | |||||
| Display type | LCD (SW-1S/1C) or LED (SW-LR, ID-U) | |||||
| Operating temperature (˚C) | -10 ~ +40 | |||||
| Power | DC 9V (SW-1S, SW-1C) or Rechargeable battery (SW-LR, ID-U) | |||||
| Battery life | Dry battery (SW-1S, SW-1C): Alkaline :800 hrs, Mn: 400 hrs | |||||
| Rechargeable battery (SW-LR, ID-U) : 20 hrs | ||||||
| Platter Size (mm) (W x D) | SW-1S/1C/LR: 230 x 190, ID-U: 293 x 218 | |||||
| Dimensions (mm) (W x D x H) | SW-1S/1C/LR: 260 x 287 x 137, ID-U: 320 x 361×444 | |||||
| Product weight (kg) | SW-1S /1C/ LR: 2.8, ID-U: 5.5 | |||||