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Model No.: OD16*ID7*2.5mm PSnN-5
Piezoelectric ceramic ring
Application: precise distance measurement
Ultrasonic transmitter transmits ultrasound in a certain direction. At the same time, it starts timing. Ultrasound spreads in the air. When it encounters obstacles on the way, it returns immediately. When the ultrasonic receiver receives the reflected wave, it stops timing immediately. The propagation speed of ultrasonic wave in air is 340m/s. According to the time t recorded by the timer, the distance (s) between the transmitting point and the obstacle can be calculated, that is, s = 340t/2. This is the so-called time difference ranging method.
The principle of ultrasonic ranging is to use the propagation speed of ultrasonic wave in the air as known, measure the time when the acoustic wave meets the obstacle after launching, and calculate the actual distance from the launching point to the obstacle according to the time difference between launching and receiving. Therefore, the principle of ultrasonic ranging is the same as that of radar.
Material: PSnN-5 (soft PZT material)
Piezoelectric Technical data:
Dimensions: OD 16mm, ID7mm, thickness 2.5mm
Radial Frequency Fr: 90KHz ± 5%
Thickness Frequency Ft: 870KHz ± 5%
Frequency Bandwidth ΔF>6830Hz
Resonate Impedance R<20 Ω
Electromechanical coupling coefficient Kp: > 0.35
Dielectric Loss tg δ: <0.5
Static capacitance Cs: 899pF±20%
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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Core Competences of Yuhai Piezo Ceramic Elements
OEM Adaptations
Product Categories : PZT Piezoelectric Elements > PZT Piezoelectric Rings
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Mr. Sun Zhaohai
Tel:0086-533-4230012
Fax:
Mobile Phone:+8618753397607
Email:josa@zbyuhai.com
Address:No.57 Chuangye Road, Boshan Economic Development Area, Zibo, Shandong
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.