20Hz-20kHz Cylindrical Hydrophone Receiving Transducer for Transducer Array
Product Description
20Hz-20kHz Cylindrical Hydrophone Receiving Transducer for Transducer Array
Technical Parameters：
1.Receiving Sensitivity
Measuring the receiving sensitivity of the transducer within the frequency band of 0.02kHz to 20kHz. The sensitivity should not be lower than -192dB.
2.Horizontal Directivity
Omnidirectional, measurement frequency 20kHz.
3.Vertical Directivity
Omnidirectional, measurement frequency 20kHz.
4.Hydrostatic Pressure
The transducer should be able to withstand a hydrostatic pressure test of 6MPa.
Measurement data
1.
static capacitance
C0/nF |
0.35 |
Receiving Sensitivity
f/kHz |
Mx/dB |
0.02 |
-188.7 |
0.025 |
-188.3 |
0.0315 |
-189 |
0.04 |
-188.3 |
0.063 |
-188.7 |
0.08 |
-188.5 |
0.1 |
-188.5 |
0.125 |
-188.7 |
0.16 |
-188.5 |
0.2 |
-188.6 |
0.25 |
-188.3 |
0.315 |
-189 |
0.4 |
-188.5 |
0.5 |
-188.2 |
0.63 |
-188.4 |
0.8 |
-189.1 |
1 |
-189 |
1.25 |
-188.5 |
1.6 |
-188.2 |
2 |
-188.3 |
2.5 |
-189 |
3.15 |
-188.5 |
4 |
-187.6 |
5 |
-189.2 |
6.3 |
-188.8 |
8 |
-189 |
10 |
-189.2 |
12.5 |
-189.5 |
16 |
-190.2 |
20 |
-191.4 |
Horizontal Directionality
Vertical Directionality
Hydrostatic Pressure Test:
After undergoing hydrostatic pressure tests at 6MPa/1h, 0MPa/0.25h, and 6MPa/1h, the transducer showed no visible damage or leakage. The insulation resistance between the positive and negative terminals was found to be greater than 10MΩ.
Measurement Results: The transducer meets the technical specifications.
Core Wire Definitions: Yellow – Positive terminal; Blue – Negative terminal