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Detection using piezoelectric ceramics

Detection using piezoelectric ceramics
Detection using piezoelectric ceramics
Piezoelectric ceramic material and ideal structure forms the basis of the electro-acoustic sensitivity formulas listed in the experimental data of different structural factors such electro-acoustic piezoelectric ceramic microphone sensitivity is also giventhis piezoelectric ceramic microphone is used to simulate the depth measured measured curve.
Detection using piezoelectric ceramics
Acoustic echo measurement technology wood observation wells or penetrate underground piezoelectric ceramic microphone, a common method of its structure described here. In this acoustic measurement technology, the work of non-resonant, and its working frequency region away from the piezoelectric common.

spec
 dimension (mm)
OD=outer diameter
ID=inner diameter
H=height
fm
(KHz)
fn
(KHz)
capacitance
(pf)
tgδ
(%)
d33
( )
 UCE-181520
 OD=18,ID=15,H=20
51.2
52.0
13388
1.7
420
 UCE-181520-1
 OD=18,ID=15,H=20
63.1
63.5
5936
0.2
280
 UCE-201715
 OD=20,ID=17,H=15
47.8
49.4
14056
1.5
420
 UCE-242020
 OD=24,ID=20,H=20
47.1
48.8
12830
2.0
420
 UCE-343020
 OD=34,ID=30,H=20
29.5
31.3
1510
0.2
280
 UCE-4032537
 OD=40,ID=32.5,H=37
24.4
25.1
21200
1.5
280
 UCE-443829
 OD=44,ID=38,H=29
22.1
23.4
23120
1.5
280
 UCE-514536
 OD=51,ID=45,H=36
19.1
20.5
18010
1.5
420
UCE-514538
 OD=51,ID=45,H=38
22.8
23.8
9901
0.2
420
 UCE-534541
 OD=53,ID=45,H=41
17.8
22.0
3060
0.2
420
 UCE-696325
 OD=69,ID=63,H=25
16.0
18.1
16040
0.5
280
 UCE-7656840
 OD=76.5,ID=68,H=40
14.6
15.2
19730
0.5
280
 UCE-8060150
 OD=80,ID=60,H=150
17.2
18.3
34420
0.21
280
Detection using piezoelectric ceramics


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