| Material | Type | Dimension |
| Polyvinylidene difluoride (PVDF) (LDT0-028K) | Type A: PVDF with Ring Mass | 25 mm × 13 mm |
| Polyvinylidene difluoride (PVDF) (LDT0-028K) | Type B: PVDF without Ring Mass | 25 mm × 13 mm |
| Polyvinylidene difluoride (PVDF) (Minisense 100) | Type C: PVDF with Ring Mass | 17 mm × 6 mm |