Piezoelectric Hemisphere for Hydrophone Φ25.4×2.12mm
Piezoelectric ceramic hemisphere Electrode direction: Radial directionApplications: Hydrophone, underwater acoustics transducer, acoustic pickupsMaterial: PSnN-5( Soft PZT, low dielectric constant 1600, high Curie T. 350℃)Technical data:Dimensions: diameter 25.4mm, wall thickness 1.4mm, hole 3.3mmRadial Frequency Fr: 77KHz ± 3KHzFrequecy Bandwidth ΔF > 8500Resonant impedance Zm < 20 Ω Dielectric Loss tg δ: 2%Static capacitance Cs: 9000pF± 20%
Test Condition: 25±3 °C 40~70% R.H.
fr, Zm, Kr => Radial mode vibration
Cs tanδ => LCR meter at 1KHz 1VrmsPiezo material PSnN-5 is "SOFT" PZT, widely used in the piezo elements for ultrasonic flowmeter, liquid level measurement and distance measurement with high sensitive and high curie temperature.
|"Soft" PZT materials|
|Elastic compliance coefficient||Se11||10-12m2/n||16.6|
|Machanical quality factor||Qm||85|
|Dielectric loss factor||Tg δ||%||2|
Yuhai company providesPiezoceramic materials (PZT) , more than 30 formulations of piezo materials
Customized piezo ceramic components and ultrasonic transducers/transducers
Various different shapes in many different geometries such as disks, plates, tubes, customized shapes
High resonant frequencies to 10 MHz
Piezo composite machining
Core Competences of Yuhai piezo ceramic elementsMore than 50 years professional piezoelectric ceramic manufacturing experience.
more than 30 formulations of piezoelectric materials, stable and superior performance, to meet various piezo applications.
Forming process with dry pressing, rolling film and isostatic pressing.
High precision machining equipment for other special shaped components such as inner, outer circle and hemisphere.
be the manufacturer of supplying the most complete components varieties in China.
Certified in accordance with ISO 9001.
product consistency reached 99.9%
OEM AdaptationsPiezo transducers for ultrasonic applications
Assembly of complete transducer components