Zibo Yuhai Electronic Ceramic Co., Ltd.
Address : No.57 Chuangye Road, Development Area Boshan, Zibo City, Shandong Prov. P.R. of China
Tel : +86-0533-4230012
Fax : +86-0533-4231700
Email : sales@zbyuhai.com

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Piezoelectric sphere-Φ90×2.7mm

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Product Description

Parameters

Piezoelectric ceramic Hemisphere

Electrode direction: electrode plated on the surface inner and outside, radial vibration.

Yuhai company developped ultrasonic sphere elements and custom sphere sizes, this range is fabricated from more than 10 available piezoelectric material formulations according to high sensitive, temperatures etc applications.

Applications includes:

underwater acoustics pickups, hydrophones.

Features :

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-41

Piezoelectric elements technical data:
Dimensions:	Diameter 90mm, thickness 2.7mm
Radial frequency Fr:	20KHz ± 2KHz
Resonant Impedance R:	≤ 5 Ω
Dielectric Loss tg δ:	≤ 0.3%
Static capacitance Cs:	85000pF ± 12.5%

Test Condition: 25±3 °C 40~70% R.H.

fr, Zm, Kr => Radial mode vibration

Cs tanδ => LCR meter at 1KHz 1Vrms

A transducer that converts sound signals into electrical signals is used to receive sound signals in water. It is called a receiving transducer, also known as a hydrophone. Hydrophone is widely used in underwater communication, continental exploration, target location, tracking and so on. It is an important component of sonar. Underwater detection, identification, communication, marine environmental monitoring side and marine resources development are inseparable from underwater acoustic transducer.

The underwater acoustic transducer is a device that converts electrical signal into underwater acoustic signal or underwater acoustic signal into electrical signal. Its position in sonar is similar to that of antenna in radio equipment. It is an acoustic device that transmits and receives acoustic waves under