Piezoelectric ceramic tubes
Electrode direction: Radial direction
Features :
Custom piezo tubes, big size
Sizes from 6mm up to 180mm
Thickness from 0.5mm up to 15mm
Choice of metallisation (Silver, Nickel, Gold and others on request)
Wide choice of PZT formulations
Applications: NDT Non destructive Testing, underwater acoustics hydrophone, oilfield detection.
Material: PZT-52(modified PZT-5a)
Technical data:
Dimensions: OD 100mm, height 20mm, wall thickness 3mm
Radial Frequency Fr: 9.3KHz ± 5%
Electromechanical coupling coefficient K31: > 0.38
Dielectric Loss tg δ: <0.30
Static capacitance Cs: 44350pF±20%
Test Condition: 25±3 °C 40~70% R.H.
fr, Zm, Kr => Radial mode vibration
Cs tanδ => LCR meter at 1KHz 1Vrms
Nominal Sizes and Tolerances
Geometry
|
Size (mm)
|
Tolerance
|
Discs
|
Diameter: 3 to 200
|
Tolerance according to the sizes of the piezo elements.
|
Thickness: 0.2-25
|
Tubes
|
Length: 1-100
|
OD: 6-180
|
ID: 5-150
|
Wall: 0.5-15
|
Plates
|
Length: 1-200
|
Width: 1-200
|
Thickness: 0.2-25
|
Sphere
|
OD: 6-160
|
ID: 4-150
|
Wall: 1-10
|
Rings
|
OD: 3-180
|
ID: 1-150
|
Thickness : 0.2-25
|
For All Sizes
|
Flatness
|
± 0.03
|
Concentricity
|
± 0.10
|
Perpendicularity
|
± 0.10
|
Parallelism
|
± 0.05
|
Nominal Electric Tolerances
Piezoelectric Properties
|
± 5%
|
Relative Dielectric Constant
|
± 15%
|