Reliability test – BeStar BPS1522H1.4-01 User Manual
Page 5
T
h
is
p
ri
n
t
a
n
d
i
n
fo
rm
a
tio
n
t
he
re
i
n
a
re
p
ro
p
ri
e
ta
ry
t
o
B
e
s
ta
r
E
le
c
tr
o
n
ics
I
ndu
s
tr
y
C
o
.,
L
td.
a
nd
s
h
a
ll
no
t
b
e
u
s
ed
i
n
w
h
o
le
o
r
in
pa
rt
w
ith
ou
t
it
s
w
ri
tt
en
c
on
tent
B
6
A
4
5
3
C
2
1
A
B
C
D
E
F
G
H
6
4
5
3
D
E
F
G
1
2
Drawn by:
Approved by:
Checked by:
Date:
Page:05 of 07
Drawn
Rev.
Date
Note
A
博 士 達
After the test,all electronic and acoustic characteristic should be satisfied
with the specification. SPL: Deviation is of
±3dB of initial value.
frequency :Deviation is of
±20%Hz of initial value.
3. Reliability Test
王 平
李红元
马国阳
王 平
DRG NO:BS/TEPS01.001A
Pizeo Speaker
3.1 Load test
Input Signal 6.5V sine wave 1KHz
Duration 240hours
3.2 Heat test
Temperature +70
±3°C
Duration 240hrs
3.3 Cold test
Temperature -20
±3°C
Duration 240hrs
3.4 Temperature change( shock )
Low Temperature -20
± 3°C
High Temperature +60
± 3°C
Dwell time each temperature 30min
Transfer time from lower to upper temperature <10s
Cycles 10
3.5 Moisture Test
Tempeature +40
± 2°C
Humidity 92
± 2%(RH)
Duration 240hrs
3.6 Drop test
Surface(floor) concrete or steel
Height 75cm
Direction X,Y&Z 3axes
2012/01/07
2012/01/07
BPS1522H1.4-01
BPS1522H1.4-01