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Lower Impedance
Test Site Soil Coniditions
| Depth | 0.2 m | 1.72 m | 4.3 m | 6.88 m | 20 m |
| Resistivity at Indicated Depth | 306 Ω-m | 382 Ω-m | 186 Ω-m | 161 Ω-m | 47 Ω-m |
| Average Resistivity to Indicated Depth | 306 Ω-m | 372 Ω-m | 232 Ω-m | 332 Ω-m | 237 Ω-m |
- Surge impedance is reduced by more than 50%.
- The surge impedance of the SAN-EARTH electrode was particularly low during the first critical 0-0.1 µsec of the surge.
- Fast response provides enhanced protection for sensitive equipment.
- Significant advantage over other grounding methods.