cable crushing, wire crushing, shock resistance the cable, repeated cable bending and tensile strength test Acid emission, smoke emission, burning test for individual cable (fire behavior) and burning test for bundle cable (Vertical burn test) Resistance between each wire and between wire and cable screen Transmission impedance the cable
Type testings will carried out during the development stage and case changing the cable construction
Systems
Tests avoid damage during installation Environmental qualities
Accessories
Resistance for the insulation Screen performance
Quality Control
Informations Copper
Content
It ensured identification each cable (Production batch number), that the measured values can recovered any time.
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Fibre optic
Type specific testing and measuring
Transmission characteristics Mechanical and physical product features
Testing content
All electrical parameters demanded the appropriate sandards. e. Link and channel measurements.Testing and measuring procedures unilan® copper data cables
Communication technology
This overview indicates what degree and with what consequence all Dätwyler copper data cables are tested with respect quality. uninet® 7002 FRNC/LSOH 887149
Imprint
U-272
Technical changes reserved.
Testing all manufactured cables
Copper screened
Testing content
wire resistance, loop resistance, resistance difference Wire Wire and Wire Screen Mutual capacitances, capacitive couplings, capacitive earth unbalance
Each length will tested
DC-resistance copper wire Voltage Indication Capacitance
Copper unscreened
Point point testing (per Production unit)
Transmission characteristics Material features
Testing content
Impedance, Return Loss, Attenuation, Near End Cross Talk (NEXT) Break stretching the copper wire, tensile strength the insulation, Stretching the insulation, tensile strength the sheath, Stretching the sheath
These values/features will tested with samples. Shrinking the insulation, wrapping the insulation after alteration, cold restiance the insulation, tensile strength and break stretching the cable jacket after alteration, pressure sensitivity high tempeartures, cold bending test the cable, heat resistance, atmospheric humidity test for cables, temperature requirements and test.g
