DIN EN 61034-1/DIN EN 61034-2: smoke density of cables
DIN EN 61034-1: Consists of the following part, under the general title measurement of smoke density of cables burning under defined conditions.
DIN EN 61034-1: Measurement of smoke density of cables buring under defined conditions-Part 1: Test apparatus.
DIN EN 61034-2: Measurement of smoke density of cables burning under defined conditions---Part 2: Test procedure and requirement. EN 61034-2:2005 is identical with IEC 61034-2:2005.It supersedes BS EN 50268-2:2002 which is withdrawn.
Smoke density test is the combustion of an important aspect of performance evaluation, as it relates to the degree of difficulty for personnel evacuation.
Cable requirements straight, before testing the temperature 23 ℃ ± 5 ℃ placed under 16 hours in advance.
Experimental test time is 40 minutes, smoke density test by the lowest rate of light transmission
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