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Ningbo Kepo Electronics Co.,Ltd.
Sounder shall be measured after being applied vibration of
amplitude of 1.5mm with 10 to30Hz band of vibration frequency
to each of 3 perpendicular directions for 2 hour.
5
Vibration
Resistance
Item
Specification
Sounder packed in the carton are dropped in six direction
from the height of 80cm to the concrete floor.
Drop Test
6
7
Solderability
Lead terminals are immersed in rosin for 5 seconds and then
immersed in solder bath of +260
±
5
°
C for 3
±
0.5 seconds.
Model No. :
Page
Revision No.
Drawing No.
5/10
Specification for Magnetic Transducer
振动
试验
振幅为
1.5
mm
,频率
为
10
~
30
Hz
,
三个不同轴方向各振动
2
小
时
,试验
后进行
测量
.
跌落
试验
跌落
高度
80
cm,6
个不同方向整箱跌落到水泥地
,试验
后进行
测
量
.
插针浸入松香
5
秒
,
然后再浸入
+260
±
5
°
C
的
锡炉
中
3
±
0.5
秒
,
插针
表
面应覆盖一层光滑
明亮
的
焊料
.
可
焊
性试验
4. Reliability Test
SMT-9640A
KP3.840.915R
1.0