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Piezohannas
24khz Multibeam Echosounder Transduser untuk Echo-bunyi
Kandungan ukuran
1. Jalur frekuensi kerja
Jalur frekuensi kerja transduser ialah.
2. Menghantar respons
Ukur tindak balas penghantaran dalam jalur frekuensi kerja transduser, yang nilainya pada 24kHz tidak boleh kurang daripada 165dB.
3. Menerima sensitiviti
Ukur sensitiviti penerimaan dalam jalur frekuensi kerja transduser, yang nilainya pada 24kHz tidak boleh kurang daripada -178dB.
4. Sudut bukaan langsung
@24kHz.
5. Ujian tekanan hidrostatik
Rintangan tekanan hidrostatik transduser tidak boleh kurang daripada 0.5Mpa.
Data pengukuran
1. Parameter konduktans dan susceptance
f/kHz |
2401# |
2402# |
2403# |
|||
G/ms |
B/ms |
G/ms |
B/ms |
G/ms |
B/ms |
|
20 |
6.33 |
19.48 |
6.47 |
19.99 |
5.47 |
18.00 |
21 |
10.95 |
21.27 |
10.99 |
21.82 |
8.50 |
19.47 |
22 |
17.95 |
19.49 |
18.24 |
19.48 |
12.96 |
18.79 |
23 |
22.58 |
12.12 |
20.89 |
11.67 |
16.53 |
15.36 |
24 |
19.81 |
4.48 |
18.22 |
6.25 |
16.93 |
10.32 |
25 |
14.92 |
1.63 |
14.01 |
3.71 |
14.59 |
7.10 |
26 |
11.37 |
1.50 |
10.66 |
3.62 |
11.92 |
5.77 |
27 |
8.57 |
2.31 |
8.29 |
4.58 |
9.52 |
5.89 |
28 |
6.96 |
3.50 |
7.06 |
5.65 |
7.85 |
6.33 |
f/kHz |
2404# |
2405# |
2406# |
|||
G/ms |
B/ms |
G/ms |
B/ms |
G/ms |
B/ms |
|
20 |
5.10 |
18.22 |
5.24 |
19.85 |
5.06 |
19.48 |
21 |
8.27 |
19.92 |
9.56 |
22.56 |
9.34 |
22.30 |
22 |
12.90 |
19.63 |
17.20 |
21.70 |
17.00 |
21.70 |
23 |
17.30 |
15.90 |
22.60 |
13.92 |
23.40 |
15.03 |
24 |
18.00 |
10.56 |
20.90 |
6.48 |
22.40 |
6.03 |
25 |
15.30 |
6.72 |
15.60 |
2.39 |
17.20 |
0.61 |
26 |
12.10 |
4.93 |
11.00 |
2.25 |
11.70 |
0.26 |
27 |
9.77 |
5.48 |
8.33 |
3.34 |
8.12 |
1.34 |
28 |
8.03 |
6.12 |
6.38 |
4.71 |
6.15 |
2.94 |
f/kHz |
2401# |
2402# |
2403# |
2404# |
2405# |
2406# |
20 |
162.4 |
163.6 |
162.0 |
161.3 |
162.8 |
161.5 |
21 |
164.9 |
166.5 |
164.2 |
163.9 |
165.4 |
164.4 |
22 |
166.6 |
168.4 |
166.0 |
165.8 |
167.9 |
166.4 |
23 |
168.2 |
169.1 |
167.4 |
167.2 |
169.2 |
167.8 |
24 |
168.4 |
169.2 |
167.7 |
167.5 |
169.1 |
167.9 |
25 |
167.3 |
168.5 |
166.9 |
167.3 |
168.3 |
167.0 |
26 |
165.9 |
167.3 |
166.2 |
166.2 |
167.1 |
165.5 |
27 |
165.1 |
166.4 |
165.3 |
165.4 |
165.9 |
164.0 |
28 |
164.3 |
165.9 |
164.8 |
164.9 |
165.2 |
163.1 |
f/kHz |
2401# |
2402# |
2403# |
2404# |
2405# |
2406# |
20 |
-179.6 |
-178.7 |
-180.3 |
-181.3 |
-180.4 |
-181.6 |
21 |
-178.8 |
-176.6 |
-178.6 |
-179.5 |
-178.7 |
-179.8 |
22 |
-177.4 |
-173.6 |
-175.5 |
-176.1 |
-175.2 |
-177.3 |
23 |
-176 |
-173.5 |
-174.2 |
-174.5 |
-173.0 |
-175.2 |
24 |
-173.9 |
-173.7 |
-174.1 |
-174.5 |
-173.2 |
-175.5 |
25 |
-174.1 |
-171.5 |
-173.4 |
-173.9 |
-172.2 |
-174.3 |
26 |
-172.3 |
-173.8 |
-174.0 |
-174.2 |
-174.2 |
-172.8 |
27 |
-172.7 |
-172.3 |
-172.3 |
-172.1 |
-172.0 |
-173.0 |
28 |
-172.4 |
-172.9 |
-173.1 |
-173.2 |
-172.9 |
-173.3 |
Sudut pembukaan langsung
1.3. Ujian tekanan hidrostatik
Selepas transduser tertakluk kepada ujian tekanan hidrostatik 0.5MPa/1j, 0MPa/0.5j, 0.5MPa/1j dan 0MPa/0.5j, rintangan penebat antara elektrod positif dan negatif transduser adalah lebih besar daripada 200M Ω.
