beautypg.com

Reliability test, Speaker – BeStar BMS3650l-P2-HT LF User Manual

Page 7

background image

5.Reliability test

5.1Load test 1W,sine wave 540Hz,96hrs

5.2 Heat Test

Temperature +85 C 2
Duration 96hrs

5.3 Cold Test

Temperature -40 C 2
Duration 96hrs

5.4 Moisture Test

Temperature +85 C 2
Humidity 85%RH
Duration 56days
Recovery conditions: Climatic condition standard atmospheric
Ventilation time 1 h

5.5 Temperature shock

Low temperature -40 C
Upper temperature +85 C
Dwell time each temperature 30min.
Transfer time from lower to upper temperature < 10s
Number of cycles 100

5.6 Vibration Test

Range of frequency 1 10 to 55Hz
Amplitude +/-0.75mm
Range of frequency 2 55 to 2000Hz
Amplitude 10g
Frequency sweep 1 oct/min
Duration 2h each of 3 axis

5.7 Drop test

Drop the speaker contained in normal box on to the boad 20mm
thick 10 times from the height of 1.2m

After each test of 5.2 to 5.3, speakers should be measured after 6hrs exposed in

normal temperature.

After each test, performance should be satisfied with spec.

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

A

B

C

D

E

F

G

H

Drawn by:

Note

6

5

Rev.

Date

Drawn

www.be-star.com [email protected]

4

3

Approved by:

Checked by:

2

1

Page:07 of 09

Speaker

A

Date:

B

C

D

E

F

G

H

3

4

5

6

1

2

DRG NO: BS/TES01.006B

BMS3650L-P2-HT LF

BMS3650L-P2-HT LF

A

王善梅

02/04/27

B

莫丽丽

08.05.14

陶红仲

莫丽丽

王文邦

08.05.14