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Ultrasonic Flowmeter Disc-Φ15×1MHz

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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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Email : sales@zbyuhai.com

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Ultrasonic Flowmeter Disc-Φ15×1MHz

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Piezoelectric ceramic disc Quick shipmentsHigh performancewrapped arround electrode availableThere are two main types of ultrasonic flow meters: Doppler and transit time. While they both utilize ultrasound to make measurements and can be non-invasive (measure flow from outside the tube, pipe or vessel). Various kinds of ultrasonic flowmeters have been widely used in industrial production, commercial measurement and hydraulic testing.Application: ultrasonic flow meter sensorMaterial: PZT-51 (soft PZT, equal to P-5A)PZT-51 is a modified SOFT PZT for general purpose. It is dedicated to low aging rate and extremely stable performance requirement etc. transducers and PZT-51 has high sensitivity, permittivity, and time stability in applications when used as the receiver or generator element in accelerometers, vibration pickups, and hydrophones. Applications.

Technical data:Dimensions: diameter 15mm, thickness 2mm according to frequency 1MHz

Thickness Frequency(Ft) 1MHz ± 5%
Statics Capacity (pF)  1500pF ± 12.5%
Dielectric loss(tgδ)(1v,KHz) ≤2%
Electromechanical coupling coefficient Kp:  ≥0.62  

Test Condition: 25±3 °C 40~70% R.H.

fr, Zm, Kr => Radial mode vibration

Cs tanδ => LCR meter at 1KHz 1Vrms

Piezoelectric ceramic materials for liquid & Gas flowmeter sensor

"Soft" PZT materials          
Properties     PZT-51 PLiS-51 PSnN-5
Dielectric Constant ɛTr3   2200 2000 1600
           
Coupling factor  KP   0.62 0.62 0.6
  K31   0.35 0.35 0.35
  K33   0.68 0.7 0.68
  Kt   0.5 0.52 0.5
Piezoelectric coefficient d31 10-12m/v -186 -197 -170
  d33 10-12m/v 500 450 400
  g31 10-3vm/n -9.6 -11.1 -12
  g33 10-3vm/n 25.6 25.4 28
Frequency coefficients Np   1980 1920 2000
  N1   1451 1407 1466
  N3   1900 1925 1825
  Nt   2150 2100 2100
Elastic compliance coefficient Se11 10-12m2/n 16.7 18 16.6
Machanical quality factor Qm   80 80 85
           
Dielectric loss factor Tg δ % 2 2 2
Density ρ g/cm3 7.6 7.5 7.5
Curie Temperature Tc °C 270 345 350
Young's modulus YE11 <109N/m3 60 56 60
Poison Ratio     0.36 0.36 0.36
 
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