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2Mhz Piezo Disc Transducer Material for Ultrasonic Flowmeter

- Dimensions: Φ16× 1mm
-Electrode: electrodes on the same side (customizable )

Resonant frequency fr: 2 MHz±5 %
Electromechanical coupling coefficient K31:≥0.60
Static capacitance Cs: 3100pF±15%@1kHz
Test Condition: 23±3 °C 40~70% R.H.
Dielectric Loss tg δ: <2%

Application: Ultrasonic Fowmeter,Gas Fowmeter

Quantity:
  • PZ1000K00193
  • Piezohannas
  • PZ1000K00193

        2Mhz Piezo Disc Transducer Material for Ultrasonic Flowmeter



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.



Piezo Ceramics Disc Description:

 


- Dimensions: Φ16× 1mm
-Electrode: electrodes on the same side (customizable )


Resonant frequency fr: 2 MHz±5 %    
Electromechanical coupling coefficient K31:≥0.60
Static capacitance Cs: 3100pF±15%
Test Condition: 23±3 °C 40~70% R.H.  
Dielectric Loss tg δ: <2%


Application: Ultrasonic Fowmeter,Gas Fowmeter 


Dimensions for Ultrasound Flowmeter in stock:

PZT-51-1MHz OD14.2x 2mm
PZT-51-1MHz OD14.6x 2mm
PZT-51-1MHz OD15x 2mm
PZT-51-2MHz  OD15x 1mm
PZT-51-1MHz OD20x 2mm
PZT-51-2MHz OD20x 1mm
PZT-51-1MHz OD15x 2mm
PZT-51-2MHz OD15x 1mm
PZT-51-1MHz OD20x 2mm
PZT-51-2MHz  OD20x 1mm


Ultrasound Flowmeter Applications:


Piezoceramic transducers to produce ultrasonic signal for the measurement of flow rate of liquid in a pipeline where direct contact of the liquid is a concern.


An ultrasonic flow meter can be used to measure the flow rate of a liquid passing a predetermined point in a pipe. As a measuring method that will not disrupt the liquid flow, piezoelectric transducer is placed on the tube wall and transmits ultrasonic wave into the liquid perpendicularly to the direction of the flow. The frequency shift between the transmitted and received ultrasonic waves is evaluated and velocity of liquid in a pipe is determined.


Standard Size of Piezo Discs:


range of piezo disc to produce:

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



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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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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