| Geophone Element | SG10 Geophone 10Hz |
|---|---|
| Natural Frequency ( Hz ) | 10 ± 2.5% |
| Geophone Case | Waterproof Land Case |
| Geophone Direction | Vertical |
| Spike | Steel Spike Length75mm |
| Geophone Element | GS 20DX Geophone 10Hz |
|---|---|
| Natural Frequency ( Hz ) | 10 ± 5% |
| Geophone Case | Waterproof Land Case |
| Geophone Direction | Vertical |
| Spike | Steel Spike Length75mm |
| Geophone Element | GS-32CT Geophone 10Hz |
|---|---|
| Natural Frequency ( Hz ) | 10 ± 2.5% |
| Geophone Case | Waterproof Land Case |
| Geophone Direction | Vertical |
| Spike | Steel Spike Length75mm |
| Geophone Element | SM24 10Hz Geophone |
|---|---|
| Natural Frequency ( Hz ) | 10 ± 2.5% |
| Geophone Case | Waterproof Land Case |
| Geophone Direction | Vertical |
| Spike | Steel Spike Length75mm |
| Natural Frequency | 10Hz±2.5% |
|---|---|
| Geophone Case | Marsh Case |
| Spike | 75mm |
| Geophone Connection | 6X2 |
| Cable O.D | 5.33mm |
| Natural Frequency | 10Hz±2.5% |
|---|---|
| Geophone Case | Marsh Case |
| Spike | 75mm |
| Coil Resistance（Ω） | 395Ω ± 2.5% |
| Moving Mass ( G ) | 11.2g |
| Geophone Element | SM4 Geophone 10Hz |
|---|---|
| Natural Frequency ( Hz ) | 10 ± 5.0% |
| Geophone Case | Waterproof Land Case |
| Geophone Direction | Vertical |
| Spike | Steel Spike Length 75mm |
| Natural Frequency | 10Hz±5% |
|---|---|
| Geophone Case | Marsh Case |
| Spike | 75mm |
| Geophone Connection | 6X2 |
| Cable O.D | 4.6mm |
