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Model: OD12*ID7*4mm PCrN-4
Plaats van herkomst: China
Ondersteuning over: 10,000,000
Certificaat: ISO 9001
GS-code: 8541600000
betaling Type: T/T,Western Union
Incoterm: EXW
Piëzo- keramische ring
PCrN-4 is een gemodificeerde harde PZT dubbele functie van ontvanger en zendende transducer .
Piëzo-elektrische technische gegevens:
Afmetingen: OD 12 mm, ID7 mm, dikte 4 mm
Radiale frequentie Fr: 385 KHz ± 5%
Resoneerimpedantie R < 20 Ω
Elektromechanische koppelingscoëfficiënt K 33 :> 0,60
Diëlektrisch verlies tg 8: <0,5
Statische capaciteit Cs: 271pF ± 12,5%
Piëzo-ontladingsconstante d33> 320
Testconditie: 25 ± 3 ° C 40 ~ 70% RH
fr, Zm, Kr => Trilling in radiale modus
Cs tanδ => LCR-meter bij 1KHz 1Vrms
SYMBOL |
DEFINITION |
UNITS |
ε 33 T , ε 11 T
|
Free Relative Dielectric Constant |
|
ε 33 S , ε 11 S
|
Clamping Relative Dielectric Constant |
|
tgδ |
Dissipation Factor at Low Field |
|
ρ |
Density |
g/cm 3 |
T c |
Curie Point |
ºC |
V |
Velocity |
m/s |
Z a |
Accoustic Impedance |
Mrayl |
K p, K 33, K t, K 31, K 15 |
Electromechanical Coupling Factors |
|
N p , N 33, N 31, N 15, N t, N c
|
Frequency Constants |
Hz - m
|
d 33, d 31, d 15 |
Piezoelectric Strain Constants
|
10 -12 C/N
|
d h |
Hydrostatic Piezoelectric Strain Constants
|
10 -3 Vm/N |
Q pm |
Mechanical Quality Factor at Planar mode |
|
Y 11 E , Y 33 E |
Young's Modulus under Short Circuit |
10 10 N/m 2 |
σ |
Poisson Ratio
|
|
ε 33 T (% Per Decade) |
Aging Rate of Free Relative Dielectric Constant |
|
K p (% Per Decade) |
Aging Rate of Planar Electromechanical Coupling Factor
|
|
K t (% Per Decade) |
Aging Rate of Coupling Factor at Thickness mode
|
|
N p (% Per Decade) |
Aging Rate of Frequency Constant of Planar Mode
|
|
N t (% Per Decade) |
Aging Rate of Frequency Constant at Thickness Mode
|
|
ε 33 T ( / o C) |
Thermal Stability of Free Relative Dielectric Constant |
|
GLOSSARY |
|
|
BT
|
Barium Titanate |
|
Hard PZT |
Hard Lead Titanate Zirconate Compound
|
|
Soft PZT |
Soft Lead Titanate Zirconate Compound |
|
Product Categorie : PZT piëzo -elektrische elementen > PZT piëzo -elektrische ringen
Thuis > Product List > PZT piëzo -elektrische elementen > PZT piëzo -elektrische ringen > Aangepaste ultrasone piëzo-ringen OD12xID7x4mm
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Telefoonnummer:0086-533-4230012
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E-mail:ceo@zbyuhai.com
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