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Piezo Rings for Detonation Generator OD22xID14.6x3mm

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

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Piezo Rings for Detonation Generator OD22xID14.6x3mm

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Piezoelectric ceramic rings

ultrasonic rings special for Detonation Generator

Piezoelectric ceramic type detonation generator, when the engine is shaking, the piezo ceramic inside is squeezed to produce an electrical signal. The piezoelectric resonance sensor is most widely used. It is generally installed on the upper part of the engine block, and the mechanical vibration generated by detonation is transformed into signal voltage by piezoelectric effect. Resonance occurs when the vibration frequency (about 6000Hz) of the detonation is consistent with the natural frequency of the piezoelectric effect sensor itself. At this time, the sensor will output a very high detonation signal voltage to the ECU, which corrects the ignition time in time to avoid detonation.

Application: special for detonation generator

Material: PZT S8-7H special for detonation generator

Technical data:

Dimensions: outer diameter 22mm, inner diameter 14.6 thickness 3mm

 Thickness Frequency(Ft)  50KHz ± 3KHz
Statics Capacity (pF)  1000pF ± 12.5%
Dielectric loss(tgδ)(1v,KHz) ≤2%
Electromechanical coupling coefficient K31:  ≥0.30

Test Condition: 25±3 °C 40~70% R.H.

fr, Zm, Kr => Radial mode vibration

Cs tanδ => LCR meter at 1KHz 1Vrms

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