Instrumentation Cables

Instrumentation Screened Cables & Thermocouple Compensating Cable Sl No. 1 Pair X 1.5mm2 Signal Cable 2 Pair X 1.5mm2 Multicore Signal Cable 12 Pair X 0.5mm2Multicore Signal Cable 1 Pair X 1.5mm2 T/C Extn. Cable/ Comp. Cable 6 Pair X 0.5mm2 T/C Extn. Cable/ Comp. Cable 12 Pair X 0.5mm2 T/C Extn. Cable/ Comp. Cable 1 Triad X 1.5mm2 RTD Signal Cable 6 Triad X 0.5mm2 RTD Signal Cable 3 Core X 1.5mm2 Power Cable (Armoured & Screened) (Armoured & Screened) (Armoured & Screened) (Armoured & Screened) (Armoured & Screened) (Armoured & Screened) (Armoured & Screened) (Armoured & Screened) (Unscreened Armoured ) 1. General Application Std. BS5308(Part-2) IS-8130 / 84 Yes Yes Yes Yes and Yes and Yes and IS-8130/84 IS-8130/84 IS-8130/84 IS-5831 / 84 ANSI-MC 96.1 ANSI-MC 96.1 ANSI-MC 96.1 IS-3975 / 88 2. Voltage Grade (RMS) Volts 660 / 1100 V 660 / 1100 V 660 / 1100 V 660 V 660 V 660 V 660 / 1100V 660 / 1100V 1100 V 3. Operating Temp. in Deg. C 90 90 90 90 90 90 90 90 90 Numbers of Cores/Pairs / Triad 1 Pair 2 Pair 12 Pair 1 Pair 6 Pair 12 Pair 1 - Triad 6 - Triad 3 core (A) CONDUCTOR Material & Standard Annealed Copper Annealed Copper Annealed Copper +VE Chromel/ Copper/ -VE Alumel/Cu-Ni Alloy +VE Chromel/ Copper/ -VE Alumel/Cu-Ni Alloy +VE Chromell/ Copper/ -VE Alumel/Cu-Ni Alloy Annealed Copper Annealed Copper Annealed Copper Conforming To IS - 8130/84 IS - 8130/84 IS - 8130/84 ANSI MC. 96.1/ IS : 8784-1987 ANSI MC. 96.1/ IS : 8784-1987 ANSI MC. 96.1/ IS : 8784-1987 IS - 8130/84 IS - 8130/84 IS - 8130/84 Grade Electrolytic Electrolytic Electrolytic KX / KX(A) KX / KX(A) KX / KX(A) Electrolytic Electrolytic Electrolytic No. of Strand/Dia of each Strand (mm) 48/0.2 OR 7/0.53 48/0.2 OR 7/0.53 16/0.2 OR 7/0.3 1/16 AWG 1/20 AWG 3x22 SWG 1/16 AWG 1/20 AWG 3x22 SWG 1/16 AWG 1/20 AWG 3x22 SWG 48/0.2 OR 7/0.53 16/0.2 OR 7/0.3 48/0.2 OR 7/0.53 Pair Identification (by Number markings on Cores at an interval of 250 mm or by number tape on each Core) Yes Yes Yes Yes Yes Yes Yes Yes Yes Form of Conductor Round Round Round Round Round Round Round Round Round Area of Cross Section (sq. mm) 1.5 1.5 0.5 1.5 0.8 OR 1.5 0.8 OR 1.5 1.5 0.5 1.5 Insulation Resitance at 20oC Meg. Ohms/Km (min.) 100 100 100 100 100 100 100 100 100 Inductance (Max) Millnry/Km 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 N.A. L/R Ratio (Max) Microhenry/Km 40 40 25 40 25 25 40 25 N.A. Communication Pair NO NO YES NO YES YES NO YES NO (B) INSULATION Insulation PVC Type-A or C 0.6mm nominal thickness to IS-5831/84 Yes Yes Yes Yes Yes Yes Yes Yes yes Colour Code BS:5308(Part-2) or ANSI or IS:8784 Yes Yes Yes Yes Yes Yes Yes Yes yes Tolerance on drum length (+/-5%) Yes Yes Yes Yes Yes Yes Yes Yes Yes Bending Radius 12 X 0.0 Yes Yes Yes Yes Yes Yes Yes Yes Yes (C) SCREENING / SHIELDING (individual + overall) for multi pair Material Aluminium Backed Mylar Tape Aluminium Backed Mylar Tape Aluminium Backed Mylar Tape Aluminium Backed Mylar Tape Aluminium Backed Mylar Tape Aluminium Backed Mylar Tape Aluminium Backed Mylar Tape Aluminium Backed Mylar Tape N.A. Percentage Coverage 100% 100% 100% 100% 100% 100% 100% 100% N.A. Overlap % 25% 25% 25% 25% 25% 25% 25% 25% N.A. Thickness (mm) min. 0.05 Yes Yes Yes Yes Yes Yes Yes Yes N.A. (D) INNER SHEATH Material PVC / HR PVC FRLS Yes Yes Yes Yes Yes Yes Yes Yes Yes Type & Standard to which IT conforms IS-5831/84, ASTM, IEEE Yes Yes Yes Yes Yes Yes Yes Yes Yes Extruded (Yes) Yes Yes Yes Yes Yes Yes Yes Yes Yes Thickness Min. (mm) 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 Colour BS: 5308(Part-2) Yes Yes Yes Yes Yes Yes Yes Yes Black Ripchord shall be provided Yes Yes Yes Yes Yes Yes Yes Yes Yes (E) ARMOURING Material &Type of Armour (Galvanised Steel Wire / Strip) Yes Yes Yes Yes Yes Yes Yes Yes Yes Standard to which it conforms IS-3975/88 Yes Yes Yes Yes Yes Yes Yes Yes Yes Size 0.9 mm 0.9 mm 4x0.8 mm 0.9 mm 4x0.8 mm 4x0.8 mm 0.9 mm 4x0.8 mm 1.4 mm Direction (Left Hand) Yes Yes Yes Yes Yes Yes Yes Yes Yes (F) OUTER SHEATH Material : PVC / HR PVC / FRLS Yes Yes Yes Yes Yes Yes Yes Yes Yes Type & Standard to which it conforms IS-5831/84, ASTM, IEEE Yes Yes Yes Yes Yes Yes Yes Yes Yes Thickness min/nominal (mm) 1.4 1.4 1.8 1.4 1.8 1.8 1.4 1.6 1.4 Colour Electrical chracteristics (Reqd. for intrinsic safety) L. Blue L. Blue L. Blue Brown Brown Brown L. Blue L. Blue Black (G) ELECTRICAL PARAMETER Conductor Resistance (DC) max. at 20 Deg. C Ohm/Km for each Core 12.2 12.2 36.6 Loop 0.4 / mtr 0.6 / mtr Loop 0.4 / mtr 0.6 / mtr Loop 0.4 / mtr 0.6 / mtr 12.2 36.6 12.2 Mutual Capacitance (Max) p F/Km Between Cores 250 250 75 250 75 75 250 75 N.A. Between Core to Screen 400 400 120 400 120 120 400 120 N.A. (H) CHARACTERISTICS OF FRLS SHEATH : (A) Oxygen Index : Minimum 29% at Room Temperature when tested as per ASTM-D-2863 (B) Temperature Index : Minimum 250 Deg. C at Oxygen Index when tested as per ASTM-D-2863 (C) Acid Gas Generation : Minimum 20% by weight when tested as per IEC-754 Part-1 (D) Smoke Density Rating : Minimum 60% when tested as per ASTM-D-2843 (E) Flammability Test As per IEC 332 Part 1 & 2 / 1979