25kHz Receiving Transmitting Acoustic Transducer for Acoustical Research

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Product Description

25kHz Receiving Transmitting Acoustic Transducer for Acoustical Research

Measurement content:

1. Conductance and susceptance curve

Measure the conductance and susceptance parameters of the transducer in the frequency band of 15kHz~40kHz.

2. Transmitting response

Measure the transmitting response of the transducer in the frequency band of 15kHz~40kHz.

3. Receiving sensitivity

Measure the receiving sensitivity of the transducer in the frequency band of 15kHz~40kHz.

4. Directivity

Measure the horizontal omnidirectional of the transducer at 25kHz, and the vertical opening angle shall not be less than 60°.

5. Hydrostatic pressure test

The hydrostatic pressure resistance of the transducer shall not be less than 1Mpa.

Measurement data

Conductance and susceptance parameters

25kH transducer 2024-01#
f/kHz	G/ms	B/ms	f/kHz	G/ms	B/ms	f/kHz	G/ms	B/ms
15	0.5500	4.3972	23.5	0.8994	5.7353	32	0.5323	8.4825
15.25	0.5648	4.4692	23.75	0.8812	5.7931	32.25	0.5274	8.5734
15.5	0.5797	4.5600	24	0.8580	5.8502	32.5	0.5236	8.6662
15.75	0.6023	4.6566	24.25	0.8341	5.9116	32.75	0.5199	8.7589
16	0.6382	4.7809	24.5	0.8147	5.9774	33	0.5152	8.8539
16.25	0.7137	4.9090	24.75	0.7940	6.0406	33.25	0.5128	8.9498
16.5	0.8379	5.0293	25	0.7716	6.1081	33.5	0.5091	9.0461
16.75	1.0174	5.0914	25.25	0.7506	6.1739	33.75	0.5048	9.1429
17	1.1805	5.0594	25.5	0.7235	6.2448	34	0.5007	9.2431
17.25	1.2648	4.9745	25.75	0.7029	6.3200	34.25	0.4963	9.3478
17.5	1.2909	4.9115	26	0.6786	6.3941	34.5	0.4970	9.4459
17.75	1.2954	4.8701	26.25	0.6535	6.4766	34.75	0.4903	9.5505
18	1.2827	4.8561	26.5	0.6350	6.5603	35	0.4877	9.6559
18.25	1.2647	4.8551	26.75	0.6169	6.6447	35.25	0.4843	9.7609
18.5	1.2540	4.8691	27	0.6005	6.7325	35.5	0.4813	9.8692
18.75	1.2524	4.8836	27.25	0.5864	6.8215	35.75	0.4786	9.9798
19	1.2512	4.8972	27.5	0.5761	6.9113	36	0.4771	10.0909
19.25	1.2409	4.8907	27.75	0.5686	7.0028	36.25	0.4753	10.2039
19.5	1.2218	4.8897	28	0.5640	7.0911	36.5	0.4740	10.3187
19.75	1.1751	4.8839	28.25	0.5605	7.1811	36.75	0.4737	10.4348
20	1.0980	4.8932	28.5	0.5585	7.2687	37	0.4723	10.5523
20.25	0.9923	4.9494	28.75	0.5558	7.3551	37.25	0.4709	10.6737
20.5	0.9324	5.0978	29	0.5544	7.4430	37.5	0.4721	10.7973
20.75	0.9602	5.2145	29.25	0.5556	7.5288	37.75	0.4728	10.9200
21	1.0009	5.2758	29.5	0.5529	7.6132	38	0.4737	11.0461
21.25	1.0164	5.3167	29.75	0.5516	7.6998	38.25	0.4752	11.1740
21.5	1.0184	5.3533	30	0.5516	7.7867	38.5	0.4769	11.3051
21.75	1.0166	5.3914	30.25	0.5518	7.8706	38.75	0.4793	11.4386
22	1.0018	5.4346	30.5	0.5487	7.9553	39	0.4826	11.5734
22.25	0.9897	5.4795	30.75	0.5469	8.0417	39.25	0.4862	11.7113
22.5	0.9739	5.5250	31	0.5436	8.1214	39.5	0.4905	11.8516
22.75	0.9547	5.5723	31.25	0.5470	8.2163	39.75	0.4963	11.9939
23	0.9336	5.6308	31.5	0.5384	8.3042	40	0.4994	12.1381
23.25	0.9201	5.6836	31.75	0.5346	8.3936

25kH transducer 2024-02#
f/kHz	G/ms	B/ms	f/kHz	G/ms	B/ms	f/kHz	G/ms	B/ms
15	0.5691	4.2575	23.5	0.9883	5.3482	32	0.6402	7.9742
15.25	0.6038	4.3292	23.75	0.9619	5.3998	32.25	0.6385	8.0602
15.5	0.6336	4.4090	24	0.9375	5.4591	32.5	0.6372	8.1474
15.75	0.6696	4.4939	24.25	0.9163	5.5135	32.75	0.6364	8.2348
16	0.7148	4.5870	24.5	0.8877	5.5739	33	0.6354	8.3238
16.25	0.7783	4.6927	24.75	0.8658	5.6409	33.25	0.6348	8.4136
16.5	0.8784	4.8035	25	0.8426	5.7045	33.5	0.6339	8.5047
16.75	1.0238	4.8746	25.25	0.8202	5.7745	33.75	0.6329	8.5962
17	1.1800	4.8801	25.5	0.8029	5.8450	34	0.6318	8.6900
17.25	1.2963	4.8336	25.75	0.7806	5.9129	34.25	0.6312	8.7865
17.5	1.3727	4.7751	26	0.7606	5.9870	34.5	0.6319	8.8806
17.75	1.4189	4.7095	26.25	0.7428	6.0614	34.75	0.6306	8.9786
18	1.4271	4.6393	26.5	0.7236	6.1380	35	0.6315	9.0780
18.25	1.3912	4.5917	26.75	0.7066	6.2167	35.25	0.6314	9.1768
18.5	1.3508	4.5878	27	0.6920	6.2976	35.5	0.6318	9.2787
18.75	1.3310	4.6040	27.25	0.6794	6.3770	35.75	0.6332	9.3820
19	1.3135	4.6129	27.5	0.6645	6.4591	36	0.6351	9.4863
19.25	1.2994	4.6201	27.75	0.6524	6.5461	36.25	0.6369	9.5920
19.5	1.2741	4.6235	28	0.6461	6.6331	36.5	0.6396	9.7007
19.75	1.2280	4.6375	28.25	0.6395	6.7191	36.75	0.6432	9.8093
20	1.1837	4.6593	28.5	0.6373	6.8063	37	0.6462	9.9187
20.25	1.1195	4.6920	28.75	0.6377	6.8900	37.25	0.6495	10.0328
20.5	1.0393	4.7831	29	0.6374	6.9711	37.5	0.6547	10.1483
20.75	1.0327	4.9136	29.25	0.6359	7.0595	37.75	0.6596	10.2637
21	1.0886	4.9990	29.5	0.6371	7.1440	38	0.6656	10.3814
21.25	1.1274	5.0218	29.75	0.6394	7.2279	38.25	0.6713	10.5014
21.5	1.1275	5.0390	30	0.6418	7.3093	38.5	0.6780	10.6242
21.75	1.1227	5.0724	30.25	0.6432	7.3949	38.75	0.6857	10.7489
22	1.1158	5.1049	30.5	0.6426	7.4752	39	0.6947	10.8755
22.25	1.1046	5.1308	30.75	0.6427	7.5572	39.25	0.7036	11.0038
22.5	1.0822	5.1656	31	0.6411	7.6368	39.5	0.7127	11.1351
22.75	1.0630	5.2066	31.25	0.6433	7.7225	39.75	0.7232	11.2690
23	1.0381	5.2488	31.5	0.6414	7.8051	40	0.7349	11.4040
23.25	1.0093	5.2955	31.75	0.6403	7.8899

25kH transducer 2024-03#
f/kHz	G/ms	B/ms	f/kHz	G/ms	B/ms	f/kHz	G/ms	B/ms
15	0.5996	4.3743	23.5	0.9346	5.7118	32	0.6631	8.4624
15.25	0.6199	4.4457	23.75	0.9227	5.7736	32.25	0.6649	8.5529
15.5	0.6328	4.5358	24	0.9063	5.8269	32.5	0.6660	8.6442
15.75	0.6650	4.6364	24.25	0.8821	5.8866	32.75	0.6681	8.7363
16	0.7072	4.7487	24.5	0.8646	5.9524	33	0.6693	8.8298
16.25	0.7825	4.8785	24.75	0.8459	6.0147	33.25	0.6710	8.9243
16.5	0.9201	4.9945	25	0.8241	6.0840	33.5	0.6733	9.0203
16.75	1.1160	5.0375	25.25	0.8077	6.1526	33.75	0.6761	9.1150
17	1.2602	4.9600	25.5	0.7865	6.2223	34	0.6765	9.2126
17.25	1.3195	4.8863	25.75	0.7693	6.2963	34.25	0.6779	9.3128
17.5	1.3252	4.8255	26	0.7487	6.3683	34.5	0.6793	9.4128
17.75	1.3430	4.7992	26.25	0.7275	6.4481	34.75	0.6822	9.5156
18	1.3297	4.7652	26.5	0.7112	6.5291	35	0.6854	9.6194
18.25	1.2957	4.7623	26.75	0.6950	6.6120	35.25	0.6878	9.7221
18.5	1.2762	4.7752	27	0.6810	6.6963	35.5	0.6898	9.8284
18.75	1.2605	4.7927	27.25	0.6672	6.7817	35.75	0.6933	9.9379
19	1.2512	4.8195	27.5	0.6556	6.8710	36	0.6974	10.0458
19.25	1.2404	4.8205	27.75	0.6475	6.9611	36.25	0.7005	10.1564
19.5	1.2170	4.8269	28	0.6414	7.0517	36.5	0.7050	10.2699
19.75	1.1788	4.8261	28.25	0.6386	7.1431	36.75	0.7117	10.3840
20	1.0947	4.8325	28.5	0.6394	7.2313	37	0.7168	10.4987
20.25	0.9790	4.9102	28.75	0.6374	7.3199	37.25	0.7215	10.6170
20.5	0.9326	5.0678	29	0.6397	7.4091	37.5	0.7283	10.7392
20.75	0.9732	5.1887	29.25	0.6426	7.4940	37.75	0.7348	10.8595
21	1.0221	5.2445	29.5	0.6413	7.5800	38	0.7436	10.9824
21.25	1.0385	5.2811	29.75	0.6432	7.6692	38.25	0.7506	11.1074
21.5	1.0395	5.3187	30	0.6472	7.7558	38.5	0.7596	11.2358
21.75	1.0350	5.3569	30.25	0.6480	7.8416	38.75	0.7694	11.3667
22	1.0241	5.4019	30.5	0.6492	7.9292	39	0.7809	11.4988
22.25	1.0140	5.4498	30.75	0.6525	8.0170	39.25	0.7918	11.6320
22.5	1.0008	5.4926	31	0.6522	8.1046	39.5	0.8015	11.7700
22.75	0.9819	5.5437	31.25	0.6551	8.1944	39.75	0.8137	11.9092
23	0.9641	5.6032	31.5	0.6580	8.2825	40	0.8286	12.0512
23.25	0.9536	5.6585	31.75	0.6595	8.3730

25kH transducer 2024-04#
f/kHz	G/ms	B/ms	f/kHz	G/ms	B/ms	f/kHz	G/ms	B/ms
15	0.5779	4.4556	23.5	0.9882	5.7285	32	0.6672	8.5413
15.25	0.6058	4.5420	23.75	0.9616	5.7815	32.25	0.6653	8.6347
15.5	0.6279	4.6318	24	0.9392	5.8429	32.5	0.6641	8.7291
15.75	0.6537	4.7395	24.25	0.9133	5.9058	32.75	0.6636	8.8236
16	0.7010	4.8665	24.5	0.8822	5.9716	33	0.6641	8.9196
16.25	0.7920	4.9931	24.75	0.8578	6.0426	33.25	0.6632	9.0163
16.5	0.9434	5.0932	25	0.8306	6.1127	33.5	0.6618	9.1152
16.75	1.1036	5.1245	25.25	0.8069	6.1878	33.75	0.6604	9.2162
17	1.2393	5.1023	25.5	0.7863	6.2661	34	0.6609	9.3181
17.25	1.3200	5.0475	25.75	0.7623	6.3449	34.25	0.6621	9.4216
17.5	1.3674	4.9935	26	0.7415	6.4320	34.5	0.6622	9.5243
17.75	1.3933	4.9541	26.25	0.7224	6.5179	34.75	0.6620	9.6300
18	1.4078	4.9291	26.5	0.7087	6.6040	35	0.6642	9.7385
18.25	1.3962	4.8984	26.75	0.6962	6.6920	35.25	0.6649	9.8465
18.5	1.3721	4.8971	27	0.6851	6.7821	35.5	0.6672	9.9576
18.75	1.3678	4.9038	27.25	0.6794	6.8722	35.75	0.6702	10.0678
19	1.3477	4.8933	27.5	0.6727	6.9620	36	0.6732	10.1820
19.25	1.3288	4.8904	27.75	0.6669	7.0533	36.25	0.6773	10.2962
19.5	1.2957	4.8794	28	0.6670	7.1415	36.5	0.6819	10.4153
19.75	1.2272	4.8899	28.25	0.6665	7.2274	36.75	0.6858	10.5323
20	1.1309	4.9284	28.5	0.6654	7.3159	37	0.6910	10.6498
20.25	1.0276	5.0306	28.75	0.6682	7.4040	37.25	0.6973	10.7747
20.5	1.0248	5.1783	29	0.6685	7.4885	37.5	0.7044	10.8980
20.75	1.0777	5.2696	29.25	0.6671	7.5744	37.75	0.7113	11.0240
21	1.1140	5.3203	29.5	0.6691	7.6653	38	0.7193	11.1510
21.25	1.1330	5.3480	29.75	0.6720	7.7476	38.25	0.7273	11.2818
21.5	1.1311	5.3793	30	0.6709	7.8332	38.5	0.7359	11.4147
21.75	1.1248	5.4109	30.25	0.6716	7.9224	38.75	0.7463	11.5489
22	1.1153	5.4428	30.5	0.6718	8.0066	39	0.7577	11.6867
22.25	1.0993	5.4825	30.75	0.6704	8.0946	39.25	0.7691	11.8255
22.5	1.0761	5.5240	31	0.6694	8.1816	39.5	0.7814	11.9669
22.75	1.0592	5.5709	31.25	0.6694	8.2711	39.75	0.7941	12.1134
23	1.0378	5.6202	31.5	0.6695	8.3590	40	0.8101	12.2588
23.25	1.0092	5.6747	31.75	0.6687	8.4499

1.1. Transmitting Response（dB）

f/kHz	2024-01#	2024-02#	2024-03#	2024-04#
15	139.5	140.4	139.2	139.5
16	139.1	140.3	139.8	140.2
17	144.7	143.7	143.5	142.7
18	144.3	145.2	143.6	144.1
19	144.5	145.4	144.2	144.7
20	143.7	145.7	144.6	144.9
21	144.4	145.2	146.2	145.1
22	144.6	145.0	144.3	144.2
23	144.5	144.7	143.9	143.9
24	144.1	143.5	143.6	142.4
25	143.3	143.6	142.8	142.5
26	142.4	142.8	142.4	142.2
27	140.4	142.7	142.3	142.3
28	141.3	142.7	142.2	142.4
29	140.0	142.0	142.0	142.0
30	140.3	141.1	141.2	141.2
31	140.1	140.8	140.4	141.5
32	139.2	141.5	141.0	140.7
33	139.5	141.4	141.2	140.8
34	140.0	141.5	141.4	141.5
35	139.7	141.1	140.9	141.0
36	139.1	140.9	140.0	140.4
37	139.0	140.0	138.7	139.4
38	138.5	139.2	138.1	138.6
39	138.4	138.2	138.3	138.7
40	138.0	137.9	138.3	138.4

1.2. Receive Sensitivity（dB）

f/kHz	2024-01#	2024-02#	2024-03#	2024-04#
15	-194.0	-192.6	-194.2	-193.6
16	-194.5	-193.0	-195.4	-193.2
17	-194.2	-195.6	-193.0	-194.5
18	-192.0	-192.3	-191.3	-192.2
19	-191.9	-192.7	-192.1	-191.4
20	-189.5	-190.2	-189.6	-189.5
21	-190.2	-191.1	-190.2	-189.4
22	-191.9	-190.4	-192.7	-193.3
23	-192.2	-193.3	-191.2	-192.9
24	-195.5	-195.9	-196.0	-194.2
25	-197.8	-197.4	-198.2	-197.6
26	-199.2	-200.6	-198.0	-199.8
27	-202.0	-202.6	-202.7	-201.6
28	-201.9	-202.3	-201.4	-201.3
29	-201.1	-200.4	-199.9	-199.7
30	-202.2	-202.5	-201.4	-201.9
31	-202.7	-201.7	-201.9	-204.0
32	-202.7	-203.9	-203.8	-201.9
33	-204.1	-204.5	-203.6	-202.7
34	-203.4	-204.6	-204.6	-202.7
35	-204.8	-206.2	-205.0	-206.1
36	-202.2	-202.5	-201.2	-202.2
37	-203.1	-204.4	-203.3	-203.2
38	-203.6	-203.0	-204.4	-202.5
39	-204.5	-206.0	-205.9	-204.4
40	-206.6	-208.5	-207.7	-206.5

1.3. Horizontal Directivity

Vertical Directivity

Hydrostatic pressure test:

After the transducer is subjected to 1MPa/1h, 0MPa/0.5h, 1MPa/1h, 0MPa/0.5h hydrostatic pressure test, the insulation resistance between the positive and negative electrodes of the transducer is greater than 200MΩ.