Reliability test – BeStar BMS3650L-P4-HT LF User Manual

Page 9

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5.Reliability test

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DRG NO: BS/TES01.622A

BMS3650L-P4-HT LF

BMS3650L-P4-HT LF

A

11.07.11

11.07.11

莫丽丽

张秀琴

王文邦

莫丽丽

5.1 Drop test

Following the tests, the requirements stated in section 3 still must be met. Performance of

test:

Test

according to DIN 40 046 Part 30

Drop height

1000 mm

Dropping surface

Concrete

Direction of drop

2 x magnet system pointing down

2 x magnet system pointing to side

Performance

Free fall

5.2 Dust test

Test dust, Arizona dust A.2 according to ISO 12103-1

5.3 Moist heat, cyclic

Operation of the DUT at high air humidity is simulated.
This test is performed using the DUT which have undergone the sealing test against dust.

Test procedure according to test Db, type 1, stated in DIN EN 60068-2-30.
- Upper temperature +55

°C

- Number of cycles 6

After the test the performance requirements stated in section 3 must be met.

5.4 Connector push-through strength

A push-through strength or draw-out strength 40 N applies to the connector pin fitted in the

tone transmitter. The forces must not be cushioned by soldering points in this case. Test
speed: 100 mm/min

5.5 Thermal shock test

After the test, the units under test must not be subjected to any further tests.

Load

none

Duration of test (normal requirements)

300 cycles

Test cycle:
a) Expose to lower limit of operating temperature for 40 min

b) Move unit within 10 s to expose it to upper limit of operating temperature
c) Expose unit to upper limit of operating temperature for 20 min
d) Within 10 s, again expose unit to lower limit of operating temperature

After the test the performance requirements stated in section 3 must be met.

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