Side Sound Hole Piezo Alarm Buzzer

NO.

ITEM

TEST CONDITION AND REQUIREMENT

1

High TemperatureTest (Storage)

After being placed in a chamber with 802ºC for 96 hours and then being placed in normal condition for 2 hours.Allowable variation of SPL after test: 10dB.

2

Low TemperatureTest (Storage)

After being Placed in a chamber with -302ºC for 96 hours and then being placed in normal condition for 2 hours.Allowable variation of SPL after test: 10dB.

3

Humidity Test

After being Placed in a chamber with 90-95% R.H. at 402ºC for 96 hours and then being placed in normal condition for 2 hours.Allowable variation of SPL after test: 10dB.

4

Temperature CycleTest

The part shall be subjected to 5 cycles. One cycle shall be consist of: Allowable variation of SPL after test: 10dB.

5

Drop Test

Drop on a hard wood board of 4cm thick, any directions ,6 times, at the height of 75cm .Allowable variation of SPL after test: 10dB.

6

Vibration Test

After being applied vibration of amplitude of 1.5mm with 10 to 55 Hz band of vibration frequency to each of 3 perpendicular directions for 2 hours .Allowable variation of SPL after test: 10dB.

7

SolderabilityTest

Lead terminals are immersed in rosin for 5 seconds and then immersed in solder bath of +3005ºC for 31 seconds .90% min. lead terminals shall be wet with solder(Except the edge of terminals).

8

Terminal StrengthPulling Test

The force of 9.8N(1.0kg) is applied to each terminal in axial direction for 10 seconds.No visible damage and cutting off.