Hubei Hannas Tech Co.,Ltd－Professional Piezoceramic Elements Supplier
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Piezohannas
20Hz-200kHz Spherical Communication Transducer for Underwater Sonar
Measurement Contents:
Working frequency band
The working frequency band of the hydrophone is 20Hz-200kHz.
Receiving sensitivity
Measure the receiving sensitivity within the working frequency band of the hydrophone.
Transmitting response
Measure the transmitting response of the hydrophone, measuring frequency 100kHz-200kHz (interval 5kHz).
Horizontal directivity
Omnidirectional, measuring frequency 50kHz, 100kHz.
Hydrostatic pressure resistance
The hydrophone should be able to withstand 2Mpa hydrostatic pressure test.
Admittance parameters
202401# | 202402# | ||||
f/kHz | G/ms | B/ms | f/kHz | G/ms | B/ms |
100 | 0.07 | 1.94 | 100 | 0.09 | 1.94 |
105 | 0.13 | 2.08 | 105 | 0.16 | 2.07 |
110 | 0.19 | 2.18 | 110 | 0.22 | 2.19 |
115 | 0.20 | 2.33 | 115 | 0.28 | 2.35 |
120 | 0.28 | 2.57 | 120 | 0.39 | 2.55 |
125 | 0.47 | 2.80 | 125 | 0.59 | 2.75 |
130 | 0.76 | 3.00 | 130 | 0.91 | 2.88 |
135 | 1.19 | 3.06 | 135 | 1.29 | 2.81 |
140 | 1.44 | 2.84 | 140 | 1.43 | 2.69 |
145 | 1.71 | 2.93 | 145 | 1.72 | 2.63 |
150 | 2.21 | 2.63 | 150 | 2.00 | 2.36 |
155 | 2.42 | 2.07 | 155 | 2.17 | 1.92 |
160 | 2.30 | 1.43 | 160 | 1.98 | 1.40 |
165 | 1.84 | 1.05 | 165 | 1.58 | 1.16 |
170 | 1.35 | 0.98 | 170 | 1.20 | 1.14 |
175 | 0.97 | 1.11 | 175 | 0.90 | 1.28 |
180 | 0.82 | 1.35 | 180 | 0.81 | 1.45 |
185 | 0.74 | 1.39 | 185 | 0.71 | 1.55 |
190 | 0.63 | 1.55 | 190 | 0.70 | 1.62 |
195 | 0.58 | 1.48 | 195 | 0.56 | 1.63 |
200 | 0.31 | 1.59 | 200 | 0.45 | 1.78 |
Receiving Sensitivity
2024-01# | |||
f/kHz | Mx/dB | f/kHz | Mx/dB |
0.02 | -204.4 | 2.5 | -204.4 |
0.025 | -204.3 | 3.15 | -204.6 |
0.0315 | -204.1 | 4 | -204.4 |
0.04 | -203.7 | 5 | -204.6 |
0.063 | -203.8 | 6.3 | -204.4 |
0.08 | -203.4 | 8 | -204.9 |
0.1 | -204.0 | 10 | -204.8 |
0.125 | -203.4 | 12.5 | -204.9 |
0.16 | -204.0 | 16 | -205.0 |
0.2 | -203.9 | 20 | -205.0 |
0.25 | -204.5 | 25 | -204.9 |
0.315 | -203.9 | 31.5 | -204.8 |
0.4 | -203.9 | 40 | -205.0 |
0.5 | -204.2 | 50 | -204.9 |
0.63 | -204.1 | 63 | -204.8 |
0.8 | -204.2 | 80 | -205.0 |
1 | -204.0 | 100 | -204.9 |
1.25 | -203.7 | 125 | -205.0 |
1.6 | -204.1 | 160 | -203.1 |
2 | -204.3 | 200 | -204.3 |
2024-02# | |||
f/kHz | Mx/dB | f/kHz | Mx/dB |
0.02 | -205.0 | 2.5 | -204.7 |
0.025 | -204.8 | 3.15 | -204.9 |
0.0315 | -204.9 | 4 | -204.9 |
0.04 | -204.7 | 5 | -205.0 |
0.063 | -205.0 | 6.3 | -2048 |
0.08 | -204.7 | 8 | -204.7 |
0.1 | -205.0 | 10 | -204.6 |
0.125 | -204.9 | 12.5 | -204.7 |
0.16 | -204.8 | 16 | -204.5 |
0.2 | -204.9 | 20 | -204.7 |
0.25 | -204.7 | 25 | -205.0 |
0.315 | -204.9 | 31.5 | -204.9 |
0.4 | -204.8 | 40 | -205.0 |
0.5 | -205.0 | 50 | -204.6 |
0.63 | -204.7 | 63 | -205.0 |
0.8 | -204.9 | 80 | -204.9 |
1 | -204.6 | 100 | -205.0 |
1.25 | -204.9 | 125 | -204.7 |
1.6 | -204.4 | 160 | -202.8 |
2 | -204.4 | 200 | -205.0 |
f/kHz | 2024-01# | 2024-02# |
SvL/dB | SvL/dB | |
100 | 136.2 | 136.5 |
105 | 137.5 | 137.4 |
110 | 138.1 | 139.2 |
115 | 138.8 | 139.5 |
120 | 139.2 | 140.3 |
125 | 140.9 | 140.6 |
130 | 141.7 | 141.3 |
135 | 142.0 | 142.5 |
140 | 142.8 | 143.6 |
145 | 143.6 | 144.1 |
150 | 145.0 | 145.1 |
155 | 145.9 | 146.2 |
160 | 145.6 | 145.1 |
165 | 144.3 | 143.2 |
170 | 143.6 | 142.0 |
175 | 142.9 | 142.6 |
180 | 142.2 | 143.4 |
185 | 141.6 | 142.8 |
190 | 141.3 | 142.6 |
195 | 141.2 | 142.5 |
200 | 140.6 | 141.9 |
Horizontal directivity
Hydrostatic pressure test
After the hydrophone has been subjected to 2Mpa/1h, 0Mpa/0.25h, 2Mpa/1h, and 0Mpa/0.25h hydrostatic pressure tests, the hydrophone has no damage or abnormality on the outside, and the insulation resistance between the positive and negative electrodes of the hydrophone is greater than 200 megohms, and the insulation resistance between the positive and negative electrodes and the shield is greater than 200 megohms.
