| All parameters are specified at +25℃ | ||
| Hydrophone | ||
| Type QS-25-14/11A | ||
| Natural Frequency | 10Hz | |
| Voltage Sensitivity | 14/11.2 volts/bar | |
| Damping | 0.7 | |
| DC Resistance | 160 ohm | |
| Impedance | 250 ohm | |
| Geophone | ||
| Type 32CT | ||
| Natural Frequency | 10HZ±2.5% | |
| Coil Resistance | 566Ω±2.5% | |
| Sensitivity | 39.4V/m/s±2.5% | |
| Physical Characteristics | ||
| length | 355mm | |
| diameter | 55mm |