Piezoelectric hemisphere for hydrophone OD152.4
Piezoelectric ceramic sphere
Electrode direction: Rarial direction
Yuhai company developped piezo sphere elements of various hemisphere and focal bowl sizes, this range is fabricated from more than 10 available piezoelectric material formulations according to high sensitive, temperatures etc applications.
- underwater acoustic sensors
- Sizes from 6mm up to 160mm
- Thickness from 1mm up to 10mm
- Choice of metallisation (Silver, Nickel, Gold and others on request)
- Wide choice of PZT formulations
Piezoelectric Ceramic Material: PZT-43(equal to PZT-4d)
PZT-43 is suitable for both constant and repetitive conditions in sonar, ultrasonic cleaning, and other high power applications. This material produces large mechanical drive amplitudes while maintaining low mechanical and dielectric losses. Applications include STM, nano-positioning, and medical therapeutics.
|Piezoelectric elements technical data:|
|Dimensions:||Diameter 152.4 mm, wall thinkness 6.35|
|Radial frequency Fr:||14.5 KHz ± 2KHz|
|Resonate Impedance R:||≤ 5 Ω|
|Dielectric Loss tg δ:||≤ 0.5%|
|Static capacitance Cs:||55000pF ± 12.5%|
Test Condition: 25±3 °C 40~70% R.H.
fr, Zm, Kr => Radial mode vibration
Cs tanδ => LCR meter at 1KHz 1Vrms
Zibo Yuhai Electronic Ceramics Co., Ltd., has developed rapidly since 1966 with the help of Shanghai Institute of Silicate and Acoustics, Harbin Shipbuilding Institute, Shandong University, Wuhan University of Technology and Jinan University. It mainly produces piezoelectric ceramic components and piezoelectric sensors. It is the development of national sensitive components and sensors. One of the founding manufacturers of development and production has successively provided thousands of products for hundreds of manufacturers in dozens of industries, such as underwater acoustics, electroacoustics, ultrasound, metrology, communication, detection, automatic control, medical treatment, ignition and detonation.