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20Hz-20kHz Cylindrical Hydrophone Receiving Transducer for Transducer Array

20Hz-20kHz Hydrophone Transduer
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20Hz-20kHz Cylindrical Hydrophone Receiving Transducer for Transducer Array

f75634b4f067c6814fdf09c2cf3c6c90


Technical Parameters:


1.Receiving Sensitivity

Measuring the receiving sensitivity of the transducer within the frequency band of 0.02kHz to 20kHz. The sensitivity should not be lower than -192dB.

2.Horizontal Directivity

Omnidirectional, measurement frequency 20kHz.

3.Vertical Directivity

Omnidirectional, measurement frequency 20kHz.

4.Hydrostatic Pressure

The transducer should be able to withstand a hydrostatic pressure test of 6MPa.


Measurement data

1.

static capacitance

C0/nF

0.35

Receiving Sensitivity

f/kHz

Mx/dB

0.02

-188.7

0.025

-188.3

0.0315

-189

0.04

-188.3

0.063

-188.7

0.08

-188.5

0.1

-188.5

0.125

-188.7

0.16

-188.5

0.2

-188.6

0.25

-188.3

0.315

-189

0.4

-188.5

0.5

-188.2

0.63

-188.4

0.8

-189.1

1

-189

1.25

-188.5

1.6

-188.2

2

-188.3

2.5

-189

3.15

-188.5

4

-187.6

5

-189.2

6.3

-188.8

8

-189

10

-189.2

12.5

-189.5

16

-190.2

20

-191.4


Horizontal Directionality

c454dd61-b62b-4334-b1f3-da94ab2b22a2



Vertical Directionality




1a8d5489-1621-42c6-a270-dcb8efef3ac3


Hydrostatic Pressure Test:

After undergoing hydrostatic pressure tests at 6MPa/1h, 0MPa/0.25h, and 6MPa/1h, the transducer showed no visible damage or leakage. The insulation resistance between the positive and negative terminals was found to be greater than 10MΩ.

Measurement Results: The transducer meets the technical specifications.

Core Wire Definitions: Yellow – Positive terminal; Blue – Negative terminal





 

 

 

 

 


 

 

 

 



 

 

 









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