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Piezo Hannas (WuHan) Tech Co,.Ltd.
Add: No.456 Wu Luo Road, Wuchang District, Wuhan City, HuBei Province, China.
E-mail: sales@piezohannas.com
Tel: +86 27 86502372
Phone: +86 15927286589
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P5 Material Piezo Round Disc Transducer for Level Sensors

Size of piezo disc sensor:
diameter :4mm
thickness:1mm
material: pzt5


Application: Piezo transducer for milk analysis, Piezo transducer for vibration, transducer for matter dispersion, Sonar transducer Ultrasonic sensor, vibration sensor, wall thickness sensor, material stress sensor, pressure sensor, energy electricity harvesting, compression sensor, piezo expansion sensor and others.

Quantity:
  • PZ1000K0094
  • Piezohannas
  • PZ1000K0094

                 
                    P5 Material Piezo Round Disc Transducer for Level Sensors


WuHan Piezohannas Tech.Co .,Ltd is a manufactuer of piezoelectric ceramics ,ultrasonic transducers with strong technology force.With a quality management system and research & development sector,our products are extensively used in most applications.


QQ图片20170720155403.jpg

PZT5 material piezo disks


QQ图片20170720155427.jpg

piezoelectric disk transducer



31AFB9AEF0A775B05FBF843CEB753E4E.jpg piezo disc for level sensing


Size of piezo disc for liquid level sensor:


Diameter :4mm
Thickness:1mm
Material: pzt5 soft material

Frequency Fr: 488 ± 10KHz

Mechanical Coupling coefficient Kp: >0.62

Static capacitance Cs: 158.40pF±12.5%



Standard Size of Piezo Discs:


range of piezo disc to produce:

Diameter: 2mm-120mm
Thickness:0.1mm-30mm


Applications:


Level sensors are typically divided into two different measuring systems: Propagation time measurement of a reflected airborne ultrasonic signal by Piezo-ceramic transducers on the one hand, and immersed transducer measurement by piezo-ceramic sensors on the other. The self-resonant frequency of a metal tuning fork is excited by a small piezo-ceramic plate. This self-resonant frequency depends on the surrounding medium. If for example the tuning fork is immersed in a liquid or a powder, the resonant frequency of the system will change. This change in frequency is detected by the evaluation electronics. The disadvantage of this system is that no analog measurement is possible. The sensor only indicates whether it has exceeded or fallen short of a certain level. This drawback can be overcome by positioning several of these sensors at different levels in the tank. The advantage of the system is that the existing substance is very reliably detected and the sensor is largely insusceptible to interference.



PZT SOFT Material:

 

"Soft" PZT materials

The type of soft material

Properties



PSnN-5

PLiS-51

PZT-51

PZT-52

PZT-53

PZT-5H

PZT-5X

Dielectric Constant

ɛTr3


1600

2000

2200

2400

2600

3200

4500

Coupling factor

KP


0.6

0.62

0.62

0.63

0.64

0.68

0.7


K31


0.35

0.35

0.35

0.35

0.36

0.38

0.4


K33


0.68

0.7

0.68

0.7

0.7

0.76

0.77


Kt


0.5

0.52

0.5

0.5

0.5

0.52

0.53

Piezoelectric coefficient

d31

10-12m/v

-170

-197

-186

-204

-227

-275

-300


d33

10-12m/v

400

450

500

520

550

620

750


g31

10-3vm/n

-12

-11.1

-9.6

-9.8

-9.9

-9.7

-7.5


g33

10-3vm/n

28

25.4

25.6

24.5

23.9

22

18.8

Frequency coefficients

Np


2000

1920

1980

1980

1960

1900

1960


N1


1466

1407

1451

1451

1437

1393

1437


N3


1825

1925

1900

1900

1755

1550

1800


Nt


2100

2100

2150

2150

2150

2100

2200

Elastic compliance coefficient

Se11

10-12m2/n

16.6

18

16.7

17

17.4

18

19

Machanical quality factor

Qm


85

80

80

75

75

70

65











Dielectric loss factor

Tg δ

%

2

2

2

2

2

2

2

Density

ρ

g/cm3

7.5

7.5

7.6

7.6

7.6

7.5

7.5

Curie Temperature

Tc

°C

350

345

270

270

270

230

165

Young's modulus

YE11

<109N/m2

60

56

60

59

57.5

56

53

Poison Ratio



0.36

0.36

0.36

0.36

0.36

0.36

0.39





Application Image:


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Piezo Hannas (WuHan) Tech Co,.Ltd  is a professional piezoelectric ceramics and ultrasonic transducer manufacturer, dedicated to ultrasonic technology and industrial applications.                                    
 

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CONTACT US

Add: No.456 Wu Luo Road, Wuchang District, Wuhan City, HuBei Province, China.
E-mail: sales@piezohannas.com
Tel: +86 27 84898868
Phone: +86 +18986196674         
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Skype: live:mary_14398
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