Hydrophones
General Purpose and Research Hydrophones
| Characteristics | SQ01 | SQ03 | SQ31 | SQ48 |
|
Voltage Sensitivity ( dBV re 1 µPa @ 20°C ) |
-194.5 | -164 | -148 | -165 |
|
Charge Sensitivity ( nC/bar ) |
440 | N/A | N/A | N/A |
|
Capacitance ±15% ( nF @ 20°C ) |
31 | N/A | N/A | N/A |
|
Capacitance w/ Temperature ( increase per °C ) |
0.33% | N/A | 0.33% | N/A |
|
Capacitance Variation with Pressure ( loss per 1000 m ) |
8% | N/A | 3% | N/A |
|
Operating Depth ( m ) |
1,000 | 650 |
650 |
3,500 |
|
Frequency Response ( Hz ) |
1-5,000 | 10K-65,000 | 10K-65,000 | 25-400,000 |
|
Maximum Drive Voltage ( V ) |
50 | N/A | N/A | N/A |
|
Acceleration Sensitivity ( mbar/g ) |
N/A | N/A | N/A | N/A |
|
Diameter ( mm ) |
30.7 | 25.4 | 25.4 | 38 |
|
Length ( mm ) |
96 | 180.8 | 196.8 | 304.8 |
|
Mass ( g ) |
75 | 250 | 384 | 250 |
| Electrical Leads |
Shielded Cable |
Male 5 Pin Connector | Male 5 Pin Connector | Male 2 Pin Connector |
| Water Blocked Leads | no | N/A | N/A |
no |
| Preamp | no | yes | yes | yes |