| Name | 14 Hz Borehole Geophone |
|---|---|
| Natural Frequency | 14Hz±5% |
| Geophone Case | Waterproof Land Case |
| Spike | 75mm Spike |
| Lead-in Cable | 1M Cable |
| Natural Frequency | 14Hz±5% |
|---|---|
| Geophone Case | Vertical Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
| 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 | 2Hz±10% |
|---|---|
| Sensitivity (v/m/s) | 200±10% |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Geophone Case | Vertical Waterproof Land Case |
| Natural Frequency | 8Hz±5% |
|---|---|
| Geophone Case | Vertical Waterproof Land Case |
| Spike | Steel Spike Length75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
| Natural Frequency | 1Hz±10% |
|---|---|
| Sensitivity | 200 V/m/s ±10% |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Geophone Case | Horizontal Waterproof Land Case |
| Natural Frequency | 1Hz±10% |
|---|---|
| Sensitivity | 200 V/m/s ±10% |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Geophone Case | Vertical Waterproof Land Case |
| Natural Frequency | 10Hz±5% |
|---|---|
| Geophone Case | Vertical Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
| Natural Frequency | 10Hz±5% |
|---|---|
| Geophone Case | Vertical Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
| Natural Frequency | 5Hz±7.5% |
|---|---|
| Geophone Case | Horizontal Waterproof Land Case |
| Spike | 75mm |
| Lead-in Cable | 1 M |
| Cable O.D | 4.6mm |
