BeStar FT-39T-2.5B1 - Manual (Page 4)

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李红元 Approved by: Note Date Drawn Rev.
5
BESTAR ELECTRONICS INDUSTRY CO.,LTD
6
www.be-star.com [email protected]
4 3
DRG NO: BS/TEY01.117J
2
Page:04 of 08
1
J 09/08/31 汤浩君
I 09/05/11 汤浩君
3.4.Measureing Condition:
Parts shall be measured under a condition(Temperature:+5°C to +35°C,Humidity:45 to 85% R.H.)
unless the standard condition(Temperature:+25±3°C,Humidity:60±10%R.H.)is redulated to
measure.
3.3.Insulation Resistance:
An insulation resistance shall be measured by using an insulation resistance meter,suach as DF2863
insulation resistance meter.
H 09/01/17 汤浩君
A
B
C
D
Date:
Checked by:
Drawn by:
09/08/31
汤浩君
赵 峥
FT-39T-2.5B1
Piezo Ceramic Element A
B
C
D
FT-39T-2.5B1
3.2.Capacitance:
A 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 .
3.1.Resonant Frequency
Piezoelectric disc shall be put on the test fixture which is offered by customer ,when the Piezoelectric disc is
in the frequency range ,the OK light will shine,otherwise,the NO light will shine.
3.Measuring Method
E
F
G
H
E
F
G
H
5 6 4 3 2
博 士 達
1