Hydrophones
Transmit/Receive Hydrophones
| Characteristics | SQ09 | SQ13 | SQ21 |
|
Voltage Sensitivity ( dBV re 1 µPa @ 20°C ) |
-192 | -193 | -191 |
|
Charge Sensitivity ( nC/bar ) |
250 | 99 | 65 |
|
Capacitance ±15% ( nF @ 20°C ) |
10 | 4.5 | 2 |
|
Capacitance w/ Temperature ( increase per °C ) |
0.33% | 0.33% | 0.33% |
|
Capacitance Variation with Pressure ( loss per 1000 m ) |
7% | 5% | 7% |
|
Operating Depth ( m ) |
2,500 |
4,000 |
1,000 |
|
Frequency Response ( Hz ) |
3-20,000 | 2-3,000 | 1-8,000 |
|
Maximum Drive Voltage ( V ) |
1,000 | 1,000 | N/A |
|
Acceleration Sensitivity ( mbar/g ) |
N/A | N/A | N/A |
|
Diameter ( mm ) |
73.6 | 73.6 | 30 |
|
Length ( mm ) |
73.6 | 73.6 | 69.9 |
|
Mass ( g ) |
285 | 285 | 60 |
| Electrical Leads | Male 2 Pin Connector | Male 2 Pin Connector | 2-wire connection |
| Water Blocked Leads | no | no |
yes |
| Preamplifier | no | no | no |