Hydrophones
Seismic and Towed Array Hydrophones
| Characteristics | SQ05 | SQ17 | SQ26 | SQ34 |
|
Voltage Sensitivity ( dBV re 1 µPa @ 20°C ) |
-204.5 | -201.5 | -193.5 | -201.5 |
|
Charge Sensitivity ( nC/bar ) |
28 | 8.4 | 24 | 122 |
|
Capacitance ±15% ( nF @ 20°C ) |
4.7 | 1.2 | 1.4 | 14.5 |
|
Capacitance w/ Temperature ( increase per °C ) |
0.4% | 0.4% | 0.33% | 0.45% |
|
Capacitance Variation with Pressure ( loss per 1000 m ) |
8% | 8% | 7% | 7% |
|
Operating Depth ( m ) |
3,500 | 3,500 | 2000 | 2000 |
|
Frequency Response ( Hz ) |
1-15,000 |
3-30,000 |
1-28,000 | 1-5,000 |
|
Maximum Drive Voltage ( V ) |
25 | N/A | N/A | N/A |
|
Acceleration Sensitivity ( mbar/g ) |
< 0.2 | < 0.2 | <0.2 | <0.2 |
|
Diameter ( mm ) |
13.3 | 16.5 | 28.7 | 15.8 |
|
Length ( mm ) |
45.7 | 33 | 30.5 | 52.3 |
|
Mass ( g ) |
15 | 16 | 28 | 17 |
| Electrical Leads | 2-wire | 2-wire | 2-wire |
Hytrel® Shielded Twisted Pair |
| Water Blocked Leads | yes | yes | yes | yes |
| Preamplifier | no | no | no | no |