BeStar FT-27T-3.0B1 - Manual (Page 4)

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邱 俊
Drawn by:
DRG NO: BS/TEY01.295B Page:04 of 06
2 1 3 4
www.be-star.com [email protected]
6 5
张秀琴
赵 峥
A Piezo Ceramic Element
Checked by:
Approved by: Note Date Drawn Rev.
A
C C
11.08.16
FT-27T-3.0B1
Date:
B B
4.3.Insulation Resistance:
An insulation resistance shall be measured by using an insulation resistance
meter,suach as DF2863 insulation resistance meter.
D D
4.2.Capacitance:
An electrostatic capacity capacitance shall be measured at 120Hz by using LCR meter, such as DF2812A
LCR numerical bridge or equivalent.the part shall be clamped at the node .
E E
F F
4.1.Resonant Frequency/Resonant Impedance
piezoelectric diaphragm shall be clamped at a node point as shown in following figure to be free from any
mechanical stress,and measured its resonant frequency and resonant impedance by using
YW2788 synthesis parameter test apparatus or equivalent
G G
FT-27T-3.0B1
4.Measuring Method
H H
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