Low Cost 1khz-100khz Receiving Transmitting Spherical Transducer
Product Description
Low Cost 1khz-100khz Receiving Transmitting Spherical Transducer
1. Measurement content:
1.1 Working frequency band
The working frequency band of the hydrophone is 20Hz～100kHz.
1.2. Receiving sensitivity
The receiving sensitivity within 0.02KHz-50KHz is not less than -197dB, and other frequency bands are available.
1.3. Horizontal directivity
Omnidirectional, measuring frequency points 10kHz, 30kHz, 50kHz.
1.4. Vertical directivity
Measure the vertical directivity of the transducer, measuring frequency points 10kHz, 30kHz, 50kHz.
1.5. Hydrostatic pressure: 20MPa.
2.Measurement data
1.
2.1 static capacitance
2024-01# | 2024-02# | 2024-03# | 2024-04# | 2024-05# | 2024-06# | |
C0/nF | 2.89 | 2.94 | 2.98 | 2.88 | 2.9 | 2.92 |
2.2 receiving sensitivity
f/kHz | 2024-01# | 2024-02# | 2024-04# | 2024-05# | 2024-06# |
0.02 | -190.9 | -190.6 | -190.8 | -190.8 | -190.4 |
0.025 | -190.5 | -190.7 | -190.6 | -190.6 | -190.5 |
0.0315 | -190.4 | -190.6 | -190.6 | -190.7 | -190.5 |
0.04 | -190.4 | -191.0 | -191.0 | -191.0 | -191.4 |
0.05 | -190.4 | -190.7 | -190.8 | -190.6 | -190.4 |
0.063 | -190.5 | -190.6 | -190.7 | -190.9 | -190.6 |
0.08 | -190.5 | -190.7 | -190.8 | -190.6 | -190.4 |
0.1 | -189.7 | -190.8 | -190.6 | -191.0 | -190.5 |
0.125 | -190.4 | -190.6 | -190.7 | -190.6 | -191.0 |
0.16 | -190.4 | -190.6 | -190.6 | -190.6 | -190.4 |
0.2 | -190.4 | -190.7 | -190.6 | -190.7 | -190.7 |
0.25 | -190.6 | -190.6 | -190.7 | -190.7 | -191.0 |
0.315 | -191.0 | -190.6 | -190.8 | -190.6 | -190.4 |
0.4 | -190.1 | -190.6 | -190.7 | -190.7 | -190.9 |
0.5 | -191.0 | -190.7 | -190.9 | -190.6 | -190.5 |
0.63 | -190.4 | -190.7 | -191.0 | -190.8 | -190.9 |
0.8 | -190.5 | -191.1 | -190.6 | -190.6 | -190.9 |
1 | -190.9 | -190.7 | -190.6 | -190.6 | -190.4 |
1.25 | -190.6 | -190.7 | -190.7 | -190.7 | -190.5 |
1.6 | -190.6 | -190.6 | -190.6 | -190.6 | -190.8 |
2 | -190.8 | -190.6 | -190.6 | -191.1 | -191.2 |
2.5 | -191.2 | -191.2 | -191.9 | -191.5 | -192.1 |
3.15 | -190.8 | -191.4 | -191.7 | -190.6 | -191.9 |
4 | -192.2 | -190.6 | -192.6 | -192.5 | -192.4 |
5 | -190.9 | -191.9 | -191.5 | -191.7 | -192.3 |
6.3 | -190.4 | -191.4 | -191.2 | -191.2 | -191.9 |
8 | -192.0 | -190.7 | -192.2 | -191.1 | -192.0 |
10 | -190.9 | -191.7 | -193.2 | -191.4 | -191.5 |
12.5 | -191.4 | -192.3 | -192.5 | -192.1 | -192.0 |
16 | -191.5 | -193.6 | -193.5 | -193.1 | -192.5 |
20 | -193.4 | -193.3 | -193.6 | -193.3 | -193.4 |
25 | -193.4 | -193.6 | -193.9 | -192.9 | -193.4 |
31.5 | -193.3 | -193.5 | -194.1 | -193.6 | -193.4 |
40 | -193.3 | -193.5 | -194.8 | -193.5 | -193.3 |
50 | -193.2 | -193.6 | -193.2 | -193.4 | -193.3 |
63 | -200.3 | -200.4 | -200.4 | -200.1 | -200.3 |
80 | -207.8 | -207.9 | -207.6 | -207.5 | -207.7 |
100 | -215.0 | -215.2 | -215.3 | -215.2 | -215.4 |
1.
1.1.
2.3 Horizontal directivity
2.4 Vertical directivity
The 20KHz-100KHz transmitting measurements are shown in the table below:
Frequency | 20KHz | 30KHz | 40KHz | 50KHz | 60KHz | 70KHz | 80KHz | 90KHz | 100KHz |
voltage response | 124dB | 131dB | 136dB | 141dB | 144dB | 142dB | 137dB | 136dB | 134dB |
sound source level (SL)
| 184dB | 191dB | 192dB | 194dB | 195dB | 194dB | 194dB | 194dB | 191dB |
Hydrostatic pressure test
After 20MPa/0.5h, 0MPa/0.25h, and 20MPa/0.5h hydrostatic pressure tests, the insulation resistance between the positive and negative electrodes of the hydrophone is greater than 100MΩ.