33khz Spherical Acoustic Transducer transmitting Receiving Acoustic Transducer
Product Description
33khz Spherical Acoustic Transducer transmitting Receiving Acoustic Transducer
Technical Parameters：
Measurement Content:
1.1. Receiving Sensitivity:
Measuring the receiving sensitivity of the transducer within the 20kHz–70kHz frequency band, with a minimum of -205dB at the resonant frequency.
1.2. Transmitting Response:
Measuring the transmitting response of the transducer within the 20kHz–70kHz frequency band, with a minimum of 145dB at the resonant frequency.
1.3. Horizontal Directivity:
Measuring the horizontal directivity at the resonant frequency, with a fluctuation of less than 3dB.
1.4. Vertical Directivity: Measure the vertical directivity at the resonant frequency, with a -3dB vertical opening angle greater than 180°.
1.5. Hydrostatic Pressure: 3MPa.
2. Measurement Data
2.2.1. Conductivity and Susceptance Parameters
f/kHz |
202601# |
202602# |
||
G/ms |
B/ms |
G/ms |
B/ms |
|
20 |
0.73 |
6.51 |
0.71 |
6.52 |
25 |
2.13 |
8.79 |
2.12 |
8.85 |
30 |
5.83 |
9.56 |
6.07 |
9.61 |
35 |
7.00 |
5.53 |
6.89 |
5.33 |
40 |
4.03 |
4.80 |
3.91 |
4.84 |
45 |
2.41 |
6.22 |
2.36 |
6.28 |
50 |
1.69 |
7.68 |
1.67 |
7.74 |
55 |
1.29 |
9.11 |
1.29 |
9.16 |
60 |
1.14 |
10.40 |
1.13 |
10.43 |
65 |
0.96 |
11.70 |
0.95 |
11.70 |
70 |
0.87 |
12.90 |
0.86 |
12.98 |
Receiving sensitivity dB）
f/kHz |
202601# |
202602# |
20 |
-196.7 |
-195.3 |
25 |
-200.8 |
-198.9 |
30 |
-192.5 |
-194.9 |
33 |
-194.0 |
-193.9 |
35 |
-193.3 |
-194.9 |
40 |
-191.3 |
-193.8 |
45 |
-195.6 |
-199.4 |
50 |
-202.7 |
-205.4 |
55 |
-202.0 |
-203.1 |
60 |
-208.6 |
-209.8 |
65 |
-210.5 |
-210.5 |
Transmitting response（dB）
f/kHz |
202601# |
202602# |
20 |
136.7 |
138.6 |
25 |
142.4 |
144.1 |
30 |
149.5 |
147.0 |
33 |
150.1 |
149.9 |
35 |
150.0 |
148.5 |
40 |
149.1 |
147.1 |
45 |
148.1 |
144.5 |
50 |
145.2 |
142.6 |
55 |
141.2 |
138.6 |
60 |
142.1 |
138.6 |
65 |
141.2 |
139.7 |
Horizontal Directionality
Vertical Directionality