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
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Ultrasonic Flowmeter Disc-Φ15×1MHz

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Product Description

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Piezoelectric ceramic disc

Quick shipments
High performance
wrapped arround electrode available

There 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 sensor

Material: 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