| Material | Resistivity (Ω・m) | Relative permittivity/1 |
| Formation | 0.1 ~ 10,000 | 5.0 |
| Oil-based mud | 106 | 5.0 |
| OBIT Pad | 1016 | 3.2 |
| Current pads and voltage electrodes | 1.67 × 10−6 | 1.0 |