20Hz-180kHz High Sensitivity Small Hydrophone Transducer
Product Description
20Hz-180kHz High Sensitivity Small Hydrophone Transducer
Technical Parameters：
1. Measurement Details:
1.1. Receiving Sensitivity
Measure the receiver sensitivity of the hydrophone transducer within the 20 Hz to 180 kHz frequency band. The sensitivity from 20 Hz to 100 kHz should be no less than -211 dB.
1.2. Hydrostatic Pressure: 5 MPa.
2. Measurement Data
2.1. Receiving Sensitivity
f/kHz | Mx/dB | f/kHz | Mx/dB |
0.02 | -205.9 | 5 | -207.5 |
0.025 | -205.9 | 6.3 | -207.7 |
0.0315 | -206.1 | 8 | -208.1 |
0.04 | -206.0 | 10 | -208.5 |
0.063 | -206.1 | 12.5 | -208.8 |
0.08 | -206.2 | 16 | -208.9 |
0.1 | -206.3 | 20 | -207.7 |
0.125 | -206.5 | 25 | -206.5 |
0.16 | -206.5 | 31.5 | -205.7 |
0.2 | -206.1 | 40 | -207.7 |
0.25 | -206.2 | 50 | -209.9 |
0.315 | -206.2 | 63 | -211.6 |
0.4 | -206.2 | 80 | -208.6 |
0.5 | -206.5 | 100 | -206.1 |
0.63 | -206.1 | 125 | -206.0 |
0.8 | -206.3 | 130 | -204.4 |
1 | -206.2 | 140 | -200.9 |
1.25 | -206.2 | 144 | -201.7 |
1.6 | -206.4 | 150 | -201.4 |
2 | -206.2 | 160 | -202.9 |
2.5 | -206.5 | 180 | -205.8 |
3.15 | -206.9 | 200 | -211.5 |
4 | -207.2 |
Sensitivity curve
Static Capacitance
C0 | 1.37nF |
Hydrostatic Pressure Test
After undergoing hydrostatic pressure tests at 5MPa/1h, 0MPa/0.25h, and 5MPa/1h, the insulation resistance between the positive and negative electrodes of the hydrophone was greater than 100MΩ.
Measurement Results:
The hydrophone's performance met the requirements.
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