Contact Supplier

Mr. Sun Zhaohai

Leave a message

Contact Now

Piezoelectric Tube 28KHz for Underwater Acoustic Transducer

$99

5-9999
Piece/Pieces
$10

≥10000
Piece/Pieces

Min. Order:

1 Piece/Pieces

Contact Now

Product Description

Product Attributes
Packaging & Delivery

< >

Overview

Product Attributes

Model No.: OD34 x ID30 x 20mm PZT-51

Packaging & Delivery

Selling Units:: Piece/Pieces

Piezoelectric ceramic tubes

Electrode direction: Radial direction

Applications: underwater ultrasonic receiver transducer

Transducers are devices that convert sound energy to electricity (or two different forms of energy). Most of the underwater acoustic transducers/equipments use electro-acoustic conversion, because this conversion mode is most convenient for manual control. The transducer used underwater is called underwater acoustic transducer.

The ultrasonic transducer is called the transmitting transducer, which generates electrical signals from the electronic oscillator to excite the transducer to produce mechanical vibration, and thus propels the water medium to emit acoustic waves into the water. Conversely, the transducer that generates vibration under the excitation of sound wave and converts sound energy into electricity is called receiving transducer or hydrophone.

Normally Piezo Ceramic components used in underwater acoustic transducer/hydrophone is piezo tubes, Piezo Sphere or piezo Trapezoid strip.

Material: PZT-52 ( equal to PZT-5A)

PZT-52 has high sensitivity, permittivity, and time stability in applications when used as the receiver or generator element in accelerometers, vibration pickups, and hydrophones. Applications

Technical data:

Dimensions: OD 34mm, ID30mm, height 20mm

Radial Frequency Fr: 28KHz ± 1KHz

Electromechanical coupling coefficient K31: >0.36

Dielectric Loss tg δ: <2.00%

Static capacitance Cs: 23280pF± 12.5%

Test Condition: 25±3 °C 40~70% R.H.
fr, Zm, Kr => Radial mode vibration
Cs tanδ => LCR meter at 1KHz 1Vrms

Yuhai company can provide the piezo materials for underwater acoustic transducers:

"Soft" PZT materials
Properties			PZT-51	PZT-52	PZT-53	PZT-5H	PLiS-51
Dielectric Constant	ɛ^T_r3		2200	2400	2600	3200	2000

Coupling factor	K_P		0.62	0.63	0.64	0.68	0.62
	K₃₁		0.35	0.35	0.36	0.38	0.35
	K₃₃		0.68	0.7	0.7	0.76	0.7
	K_t		0.5	0.5	0.5	0.52	0.52
Piezoelectric coefficient	d31	10^-12m/v	-186	-204	-227	-275	-197
	d33	10^-12m/v	500	520	550	620	450
	g31	10^-3vm/n	-9.6	-9.8	-9.9	-9.7	-11.1
	g33	10^-3vm/n	25.6	24.5	23.9	22	25.4
Frequency coefficients	N_p		1980	1980	1960	1900	1920
	N₁		1451	1451	1437	1393	1407
	N₃		1900	1900	1755	1550	1925
	N_t		2150	2150	2150	2100	2100
Elastic compliance coefficient	S^e₁₁	10^-12m²/n	16.7	17	17.4	18	18
Machanical quality factor	Qm		80	75	75	70	80

Dielectric loss factor	Tg δ	%	2	2	2	2	2
Density	ρ	g/cm³	7.6	7.6	7.6	7.5	7.5
Curie Temperature	Tc	°C	270	270	270	230	345
Young's modulus	Y^E₁₁	<10⁹N/m³	60	59	57.5	56	56
Poison Ratio			0.36	0.36	0.36	0.36	0.36

"Hard" PZT materials
Properties			PZT-41	PZT-42	PZT-43
Dielectric Constant	ɛ^T_r3		1050	1250	1420

Coupling factor	K_P		0.58	0.58	0.58
	K₃₁		0.32	0.33	0.34
	K₃₃		0.66	0.67	0.68
	K_t		0.48	0.48	0.48
Piezoelectric coefficient	d31	10^-12m/v	-106	-124	-138
	d33	10^-12m/v	260	280	300
	g31	10^-3vm/n	-11.4	-11.2	-11
	g33	10^-3vm/n	28	25.3	24
Frequency coefficients	N_p		2280	2200	2160
	N₁		1671	1613	1583
	N₃		1950	1900	1875
	N_t		2250	2200	2200
Elastic compliance coefficient	S^e₁₁	10^-12m²/n	11.8	12.7	13.2
Machanical quality factor	Qm		1000	800	600

Dielectric loss factor	Tg δ	%	0.3	0.4	0.5
Density	ρ	g/cm³	7.5	7.5	7.5
Curie Temperature	Tc	°C	320	320	320
Young's modulus	Y^E₁₁	<10⁹N/m³	85	79	76
Poison Ratio			0.3	0.3	0.3

Product Categories : PZT Piezoelectric Elements > PZT Piezoelectric Cylinders/Tubes

Hot Products

Email to this supplier

*Subject:
*To:

Mr. Sun Zhaohai
*Email:
*Message:

Your message must be between 20-8000 characters