Daetwyler Cables - Information and Communication technology

| Kategorie: Katalog  | Tento dokument chci!

Information and Communication technology, Safety cable systems, Building automation, Elevator cable systems, Cable harnessing, logistics and support

Vydal: Neurčeno

Strana 17 z 528

Vámi hledaný text obsahuje tato stránku dokumentu který není autorem určen k veřejnému šíření.

Jak získat tento dokument?






Poznámky redaktora
norms IEC 60794-1-2-E7 Water penetration This method checks whether all interstices the fibre optic outdoor cable are continuously filled with compound that prevents water from entering the cable. After that, the electrical and parameters must still correspond the 50173 standard. Dätwyler uses the more difficult test method exclusively.Impact The fall heavy tool, device, stone, etc. damage the cable sheath may occur. The weight allowed fall vertically onto intermediate steel piece that transmits the force the cable sample. norms IEC 60794-1-2-F5-A/B method A method B A-17 Swiss quality its best . Neither fibre nor sheath materials may damaged during the test. norms IEC 60794-1-2-E3 Torsion During installation, the fibre optic cable must withstand torsion forces addition tension, transverse pressure and bending loads. Determining test criteria are the time and the maximum dispersal the water within the sample. onto the cable simulated here. Thus cable sample turned about its own axis and attenuation deviations documented during the test. norms IEC 60794-1-2-E4 Crush resistance The purpose this test determine the ability data cable withstand transverse pressure