Instrumentation Cables
Standard : ( BS 5308 Part I & Part II)
Conductor : (IS 8130)
High Conductivity electrolytic Grade Annealed bare/Tinned Copper. Solid / Stranded/ Multi Stranded Conductor.
Insulation : (IS 5831) : Type A, B, & C
General Purpose PVC (poly Vinyl Chloride) HR/ FR/ LSZH/ PE Compound, or as per Customer Specification.
Colour Coding : (Pair/Triad/Quad)
Either colour coded or Number printed , coloured Ring marked or as per customer requirement.
Laying of Pair/ Triad /Quad :
Pair/ Triad/Quad are laid up with suitable lay. Polyester Film / Melenex Tape is provided to bind up laid up pair / Triad / Quad.
Shielding /Screening :
Shielding/Screening of Thin Layer of Alluminum Foil bonded to Polyester Film / Tape with Annealed Tinned Copper Drain Wire is installed to provide continuous contact with the shield/Screen and allow to connection to ground. Tinning the Drain wire reduces galvanic corrosion between drain and the shield / Screen.
Inner Sheath: (IS 5831) : Type “ C” (PVC) OR Type ST -1 OR ST-2 ( HR/FRLS)
The laid up pair/Triad/Quad after shielding/Screening are provided with an inner sheath. This may be either Extruded Inner Sheath or wrap with PVC Tape.
Armouring : ( IS 3975)
Armouring is applied over inner sheath, it may consist of Galvanized Round Steel wire or Galvanized Flat Steel strips.
Outer Sheath : (IS 5831) : Type “ C” (PVC) OR Type ST -1 OR ST-2 ( HR / FRLS)
Outer Sheth is applied over Armouring in case of Armoured Cables or over inner sheath , in case of Unarmoured cables. The Colour of Outer sheaths is generally Black/ Blue/ Red/ Gray. The Sheath Material may be General purpose PVC/HR/ FRLS/LSZH Compound .
Application :
Data Transmission, Process Control Systems, Communications systems etc.
Range : 0.5/ 0.75/1.0/1.5/2.5 SQ MM up to 48 Pair.
