Hubei Hannas Tech Co.,Ltd－Professional Piezoceramic Elements Supplier
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Piezohannas
20Hz-20kHz Hydrophone Receiving Transducer with Preamplifier
Technical Parameters：
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 -175dB (preamplifier gain 20dB).
Horizontal Directivity: Omnidirectional, measurement frequency 20kHz.
Vertical Directivity: Omnidirectional, measurement frequency 20kHz.
Hydrostatic Pressure: The transducer should be able to withstand a hydrostatic pressure test of 5MPa.
f/kHz | Mx/dB |
0.02 | -168.5 |
0.025 | -168.2 |
0.0315 | -169.0 |
0.04 | -168.3 |
0.063 | -168.8 |
0.08 | -168.5 |
0.1 | -168.6 |
0.125 | -168.7 |
0.16 | -168.6 |
0.2 | -168.6 |
0.25 | -168.2 |
0.315 | -168.9 |
0.4 | -168.5 |
0.5 | -168.3 |
0.63 | -168.5 |
0.8 | -169.0 |
1 | -169.1 |
1.25 | -168.5 |
1.6 | -168.2 |
2 | -168.3 |
2.5 | -169.1 |
3.15 | -168.5 |
4 | -167.6 |
5 | -169.0 |
6.3 | -169.1 |
8 | -169.2 |
10 | -168.8 |
12.5 | -169.1 |
16 | -170.1 |
20 | -171.2 |
Horizontal Directionality
Vertical Directionality
Hydrostatic Pressure Test :After undergoing hydrostatic pressure tests at 5MPa/1h, 0MPa/0.25h, and 5MPa/1h, the transducer showed no visible damage or leakage.
Measurement Results: The transducer meets the technical specifications.
Core Wire Definitions: Red -- Vcc; Yellow -- O+; Black -- GND
20Hz-20kHz Hydrophone Receiving Transducer with Preamplifier
Technical Parameters：
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 -175dB (preamplifier gain 20dB).
Horizontal Directivity: Omnidirectional, measurement frequency 20kHz.
Vertical Directivity: Omnidirectional, measurement frequency 20kHz.
Hydrostatic Pressure: The transducer should be able to withstand a hydrostatic pressure test of 5MPa.
f/kHz | Mx/dB |
0.02 | -168.5 |
0.025 | -168.2 |
0.0315 | -169.0 |
0.04 | -168.3 |
0.063 | -168.8 |
0.08 | -168.5 |
0.1 | -168.6 |
0.125 | -168.7 |
0.16 | -168.6 |
0.2 | -168.6 |
0.25 | -168.2 |
0.315 | -168.9 |
0.4 | -168.5 |
0.5 | -168.3 |
0.63 | -168.5 |
0.8 | -169.0 |
1 | -169.1 |
1.25 | -168.5 |
1.6 | -168.2 |
2 | -168.3 |
2.5 | -169.1 |
3.15 | -168.5 |
4 | -167.6 |
5 | -169.0 |
6.3 | -169.1 |
8 | -169.2 |
10 | -168.8 |
12.5 | -169.1 |
16 | -170.1 |
20 | -171.2 |
Horizontal Directionality
Vertical Directionality
Hydrostatic Pressure Test :After undergoing hydrostatic pressure tests at 5MPa/1h, 0MPa/0.25h, and 5MPa/1h, the transducer showed no visible damage or leakage.
Measurement Results: The transducer meets the technical specifications.
Core Wire Definitions: Red -- Vcc; Yellow -- O+; Black -- GND
