Purpose and conditions of digital communication equipment for low air pressure test

The purpose and conditions for digital communication equipment to perform low air pressure tests are as follows:

Test Purpose: To determine the adaptability of the digital communication equipment to the barometric environment during storage, transportation and use.

[YASELINE low pressure test chamber] Test conditions:

Test pressure:

1. Storage test: 53kPa (5000m)

2, work test: 53kPa (5000m)

3. Rapid decompression test: 20kPa (11500m)

Test duration:

1. Storage test: not less than 1h,

2, work test: the time required for performance testing,

3, rapid decompression test: not less than 10min.

Air pressure change rate:

1. Storage test: not less than 0.1 kPa/s,

2, work test: not less than 1.0kPa / s,

3. Rapid decompression test: decompression time: no more than 15s, air pressure recovery rate: not less than 1.0kPa/s.

Note: The above content is selected from the Low Pressure Test Chamber Standard GB/T 13543-1992 "Digital Communication Equipment Environmental Test Method".

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