Hydrophones
Broadband Hydrophones
| Characteristics | SQ03 | SQ31 | SQ35 | SQ42 | SQ48 | SQ52 |
|
Voltage Sensitivity ( dBV re 1 µPa @ 20°C ) |
-164 | -148 | -196 | -170 | -165 | -216 |
|
Charge Sensitivity ( nC/bar ) |
N/A | N/A | 3.5 | N/A | N/A | 3 |
|
Capacitance ±15% ( nF @ 20°C ) |
N/A | N/A | 0.2 | N/A | N/A | 2 |
|
Capacitance w/ Temperature ( increase per °C ) |
N/A | N/A | 0.33% | N/A | N/A | 0.3% |
|
Capacitance Variation with Pressure ( loss per 1000 m ) |
N/A | N/A | 7% | N/A | N/A | 8% |
|
Operating Depth ( m ) |
650 | 650 |
100 |
3,500 | 3,500 | 2,000 |
|
Frequency Response ( Hz ) |
1-65,000 | 5-65,000 | 5-100,000 | 1-100,000 | 25-150,000 | 2-300,000 |
|
Maximum Drive Voltage ( V ) |
N/A | N/A | N/A | N/A | N/A | N/A |
|
Acceleration Sensitivity ( mbar/g ) |
N/A | N/A | N/A | N/A | N/A | N/A |
|
Diameter ( mm ) |
25.4 | 25.4 | 14.2 | 38 | 38 | 12.7 |
|
Length ( mm ) |
180 | 196.8 | 12.7 | 279.4 | 304.8 | 70 |
|
Mass ( g ) |
250 | 384 | 50 | 250 | 1000 | 50 |
| Electrical Leads | Male 5 Pin Connector | Male 5 Pin Connector |
Coaxial Cable |
Male 5 Pin Connector | Male 5 Pin Connector | Twisted Pair Poly. Jkt. |
| Water Blocked Leads | N/A | N/A | N/A | N/A |
no |
no |
| Preamplifier | yes | yes | no | yes | yes | no |