Data Sheet

6. Physical Characteristics
Test Item Test Conditions Performance Requirements
6-1. Vibration
Buzzer shall be measured after bein
g
applied vibration of amplitude of 1.5
mm with 10 to 55 Hz band of vibration
frequenc
y
to each three mutuall
y
perpendicular directions for
2 hours.
The measured values shall
meet Table 1.
7. Environmental Characteristics
Test Items Test Conditions Performance Requirements
7-1.
High
Temperature
(Static test)
After being placed in a chamber with
+70  3C for 48 hours and then bein
g
placed in natural condition for 4 hours
without applying power, buzzer shall be
measured.
The measured values
shall meet Table 1.
7-2.
Low
Temperature
(Static test)
After being placed in a chamber with -20
3C for 48 hours and then bein
g
placed
in natural condition for 4 hours without
applying power, buzzer shall be
measured.
7-3.
Humidity
(Static test)
After bein
g
placed in a chamber with 90
to 95% R.H. at + 40  3C for 48 hours.
Then, bein
g
placed in natural condition
for 4 hours without applying power,
buzzer shall be measured.
7-4.
Temperature
Cycle
(Static test)
Be placed in a chamber at
-20℃ +25℃
+
60℃
+
25℃
30min.
1
5
min. 30min.
15min.
× 5cycles
After above test, buzzer shall be measured
after being placed in natural condition for 4
hours ; without applying power.
Table 1
Items Performance Requirements
Sound Pressure Level
Initial Value  10 dB
P3/4