DIN EN 50289-4-9 (2002-05)現行
Communication Cables - Specifications For Test Methods - Part 4-9: Environmental Test Methods - Pneumatic Resistance
出版：German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻
Gives the method of test to determine the pneumatic resistance used in analogue and digital communication systems. This test only applies to cables which are protected by gas pressurisation.
Applies in conjunction with DIN EN 50289-4-1 issue 05-2002. (05/2002)
UNE EN 50289-4-9:2002 - Identical
SS EN 50289-4-9 Ed. 1 (2002) - Identical
I.S. EN 50289-4-9:2001 - Identical
NF EN 50289-4-9:2002 - Identical
BS EN 50289-4-9:2001 - Identical
SN EN 50289-4-9:2001 - Identical
NEN EN 50289-4-9:2001 - Identical
