Medical field,Aerospace industry,Industrial applications,Environmental monitoring,Structural health monitoring ,etc..
Product Specification:Unlock the power of precision sensing with vmanx PVDF-2268 Piezoelectric Sensor, engineered for a wide range of applications in industrial automation, robotics, and consumer electronics. This sensor harnesses the unique properties of piezoelectric materials to convert mechanical stress into an electrical signal, providing real-time feedback with exceptional accuracy and sensitivity .
High Sensitivity : Detect the smallest vibrations and pressure changes with a sensitivity rating that ensures reliable performance in critical applications.
Wide Frequency Response: Designed to operate effectively across a broad frequency range, making it ideal for dynamic applications, including monitoring machinery vibrations and detecting impact forces.
Durable Construction: Built to endure harsh environments, our piezoelectric sensor features a robust design that resists moisture, dust, and extreme temperatures, ensuring longevity and consistent performance.
Compact and Lightweight: Its sleek design allows for easy integration into various systems without compromising space or adding excessive weight.
Versatile Applications: Perfect for use in industrial equipment, automotive systems, medical devices, and consumer electronics, making it a versatile choice for engineers and developers.
Easy Integration: The sensor comes with standard electrical connections and detailed documentation, enabling simple integration with existing systems and platforms.
Applications:
Piezoelectric Thin Film Sensor Technical Manual :
As an actuator, polymers' low acoustic impedance allows them to be effectively used to deliver energy to air and other gases.
Table 1. Typical characteristic parameters of piezoelectric films
|
Symbol |
Parameter |
PVDF |
Interpolymer |
Unit |
|
T |
Thickness |
44-220 |
Various |
um（micron，10-6） |
|
d31 |
Piezoelectric strain constant |
23 |
11 |
|
|
d33 |
|
-25 |
-30 |
|
|
g31 |
Piezoelectric stress constant |
216 |
162 |
|
|
g33 |
|
-330 |
-542 |
|
|
k31 |
Electromechanical coupling constant |
12% |
20% |
|
|
Kt |
|
14% |
25-29% |
|
|
C |
Capacitance |
380(28μm） |
68（100μm） |
PF/cm2@1kHz |
|
Y |
Young’s modulus |
2-4 |
3-5 |
109N/m2 |
|
V0 |
Speed of sound tensile thickness |
1.5 2.2 |
2.3 2.4 |
103m/s2 |
|
P |
Thermoelectric coefficient |
30 |
40 |
10-6C/m20K |
|
E |
Dielectric constant |
106-113 |
65-75 |
10-12F/m |
|
ε/ε0 |
Relative dielectric constant |
12-13 |
7-8 |
|
|
ρn |
Mass density |
1.78 |
1.82 |
103kg/m |
|
ρe |
Volume resistivity |
>1013 |
>1014 |
Resistance meter |
|
R R |
Surface metallization resistivity |
2.0 |
2.0 |
Ω/square（CuNi） |
|
|
|
0.1 |
0.1 |
Ω/square（Ag ink） |
|
tan |
Loss tangent |
0.02 |
0.015 |
@1kHz |
|
|
Yield strength |
45-55 |
20.30 |
106N/M2（tensile axis） |
|
|
Temperature range |
-40-80 |
-40 to 115...145 |
℃ |
|
|
Water absorbency |
<0.02 |
<0.02 |
%H2O |
|
|
Maximum working voltage |
750（30） |
750（30） |
V/mil（V/μm）,DC,@25℃ |
|
|
Breakdown voltage |
2000（80） |
2000（80） |
V/mil（V/μm）,DC,@25℃ |
Table 2 Comparison table of piezoelectric materials
|
Characteristic |
Unit |
PVDF thin film |
PZT |
BaTiO3 |
|
Density |
103kg/m3 |
1.78 |
7.5 |
5.7 |
|
Relative dielectric constant |
ε/ε0 |
12 |
1.200 |
1.700 |
|
d31 constant |
（10-12）C/N |
23 |
110 |
78 |
|
g31 constant |
（10-3）Vm/N |
216 |
10 |
5 |
|
k31 constant |
% at 1kHz |
12 |
30 |
21 |
|
Acoustic impedance |
（106）kg/m2-sec |
2.7 |
30 |
30 |
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