Items.

Specifications

01

High temp. Test

Keep 96 hours at +70℃±3℃ and leave 3 hours in normal temperature and then check

02

Low temp. Test

Keep 96 hours at -30℃±3℃ and leave 3 hours in normal temperature and then check

03

Humidity test

Keep 96 hours at + 60℃±3℃ relative humidity 95% and leave 3 hours in normal temperature and then checked.

04

Temp./Humidity cycle

The part shall be subjected 5 cycles. One cycle shall be 12 hours and consist of;

05

Thermal cycle test.

Low temperature: -30℃±3℃, temperature:+70℃±3℃, cycle:

1 hour/cycle each, and then keep 5 cycles in a room.

06

Vibration

10~200~10Hz sin-wave sweep 15min. 5G(constant)

X,Y, Z 3 direction. 2 hours each, total 6 hours.

07

Fix drop test

Fix on jig. Then drop from 152cm height to the concrete floor

X,y, z 6 direction. 5 times each, total 30 times.

08

Free drop test

Free drop from 100cm height to the concrete floor

X,y, z 6 direction. 1 times each, total 6 times.

09

Rated Power test

Rated Power white noise is applied for 96 hours

10

Max Power test

Max power 1 min on – 2 min off 10 cycles.

11

Terminal strength test

Capable of withstand 1kg load for 30 seconds without resulting in any damage or rejection.

Criterion: 

After these test , the change of S.P.L shall be within ±3 dB .