0.02kHz-20kHz Hydrophone Underwater Projector For Oceanography Applications
Product Description
0.02kHz-20kHz Hydrophone Underwater Projector For Oceanography Applications
Measurement content:
Receive Sensitivity
Measuring the receiving sensitivity of the hydrophone in the 0.02kHz-20kHz frequency band.
Vertical Directivity
The vertical directivity opening angle of the hydrophone should meet , measurement frequency points is 5kHz, 10kHz, and 20kHz.
Measurement dates:
Receiving sensitivity
The receiving sensitivity of the hydrophone with a preamplifier (amplification 30dB) is as follows.
2.
f/kHz | Mx/dB | f/kHz | Mx/dB |
0.02 | -161.0 | 0.8 | -161.3 |
0.025 | -161.2 | 1 | -161.3 |
0.0315 | -160.9 | 1.25 | -161.3 |
0.04 | -161.2 | 1.6 | -161.4 |
0.05 | -160.9 | 2 | -161.3 |
0.063 | -161.1 | 2.5 | -161.2 |
0.08 | -160.9 | 3.15 | -161.4 |
0.1 | -160.9 | 4 | -161.6 |
0.125 | -161.2 | 5 | -161.9 |
0.16 | -161.2 | 6.3 | -162.2 |
0.2 | -161.1 | 8 | -162.5 |
0.25 | -161.3 | 10 | -163.1 |
0.315 | -161.1 | 12.5 | -164.0 |
0.4 | -161.2 | 16 | -164.6 |
0.5 | -161.2 | 20 | -165.8 |
0.63 | -161.0 |
Receiving Sensitivity Curve
(The fluctuation within the frequency band is 4.9dB)
Vertical directivity