53khz Spherical Acoustic Transducer transmitting Receiving Acoustic Transducer
Product Description
53khz Spherical Acoustic Transducer transmitting Receiving Acoustic Transducer
Technical Parameters：
Measurement content:
1.1.1. Voltage Transmitting response and sound source level
Measuring the voltage response and sound source level of the transducer in the frequency band of 25kHz-125kHz, where the resonant frequency response is not less than 145dB and the sound source level is not less than 192dB.
1.2. Receiving sensitivity
Measuring the receiving sensitivity of the transducer in the frequency band of 25kHz-125kHz, where the resonant frequency response is not less than -205dB.
1.3. Directivity
Measure the horizontal and vertical directivity of the transducer at 50kHz.
1.4. Hydrostatic pressure
Hydrostatic pressure: 3MPa.
2. Measurement data
There are 2 transducers, 202501# and 202502#, and their measurement data are as follows.
Admittance parameters
202501# | 202502# | ||||
f/kHz | C/nF | G/ms | f/kHz | C/nF | G/ms |
25 | 30.50 | 0.32 | 25 | 32.65 | 0.41 |
30 | 31.39 | 0.65 | 30 | 33.63 | 0.82 |
35 | 32.16 | 1.32 | 35 | 34.19 | 1.64 |
40 | 31.22 | 2.62 | 40 | 33.14 | 3.08 |
45 | 26.24 | 3.81 | 45 | 27.33 | 4.53 |
50 | 20.62 | 3.67 | 50 | 20.61 | 4.28 |
55 | 18.63 | 2.82 | 55 | 18.75 | 3.16 |
60 | 18.65 | 2.06 | 60 | 19.14 | 2.43 |
65 | 19.17 | 1.61 | 65 | 19.69 | 1.95 |
70 | 19.96 | 1.25 | 70 | 20.58 | 1.65 |
75 | 20.74 | 1.11 | 75 | 21.37 | 1.67 |
80 | 20.91 | 1.30 | 80 | 21.06 | 1.85 |
85 | 20.97 | 1.00 | 85 | 21.18 | 1.43 |
90 | 21.42 | 0.82 | 90 | 21.68 | 1.23 |
95 | 21.88 | 0.75 | 95 | 22.20 | 1.16 |
100 | 22.31 | 0.74 | 100 | 22.70 | 1.17 |
105 | 22.74 | 0.85 | 105 | 23.13 | 1.36 |
110 | 22.48 | 0.99 | 110 | 22.84 | 1.44 |
115 | 22.80 | 0.74 | 115 | 23.18 | 1.27 |
120 | 23.16 | 0.72 | 120 | 23.51 | 1.24 |
125 | 23.44 | 0.73 | 125 | 23.76 | 1.27 |
Transmitting voltage response and sensitivity
f/kHz | Sv/dB | Mx/dB | ||
202501# | 202502# | 202501# | 202502# | |
25 | 133.2 | 133.5 | -200.3 | -200.1 |
30 | 136.6 | 135.0 | -199.1 | -199.9 |
35 | 140.8 | 137.9 | -198.0 | -200.4 |
40 | 144.2 | 141.7 | -198.1 | -200.4 |
45 | 146.6 | 144.8 | -198.2 | -199.4 |
50 | 147.3 | 146.0 | -198.5 | -199.2 |
55 | 146.1 | 145.4 | -200.6 | -200.4 |
60 | 143.8 | 143.5 | -203.5 | -203.2 |
65 | 143.4 | 141.9 | -205.7 | -206.8 |
70 | 142.3 | 138.7 | -208.0 | -211.4 |
75 | 139.2 | 133.0 | -211.4 | -217.8 |
80 | 140.5 | 138.8 | -211.6 | -213.2 |
85 | 141.4 | 140.2 | -211.6 | -212.0 |
90 | 140.8 | 139.8 | -214.3 | -214.0 |
95 | 140.4 | 139.4 | -216.8 | -216.7 |
100 | 141.5 | 139.3 | -217.9 | -219.0 |
105 | 142.6 | 139.3 | -217.1 | -219.7 |
110 | 141.2 | 139.1 | -218.4 | -220.1 |
115 | 137.7 | 138.9 | -222.4 | -220.0 |
120 | 136.7 | 137.9 | -223.5 | -221.1 |
125 | 136.2 | 137.0 | -224.4 | -223.2 |
Sound source level
f/kHz | d换/m | U发/Vpp | U收/mVpp | M0/dB | Sv/dB | SL/dB | |
202501# | 47 | 2 | 524 | 280 | -206.5 | 147.1 | 192.4 |
202502# | 47 | 2 | 630 | 280 | -206.5 | 145.5 | 192.4 |
Vertical directivity
Horizontal directivity
Hydrostatic pressure test:
After the two transducers were subjected to 3MPa/1h, 0MPa/0.25h, and 3MPa/1h hydrostatic pressure tests, the insulation resistance between the positive and negative electrodes of the transducers was greater than 100MΩ.
Application:
Underwater Acoustics Research
Acoustic Field Calibration
Military and Scientific Applications