INSTRUMENTATION SIGNAL CABLES

Instrumentation Cables are specially designed to transmit signals without any external interference. They are used in Data Acquisition Systems, connections to Instruments, Computer Networking, PA Systems, Digital / Analog Control / Measuring & Communication Systems.

Construction - Cores, pairs, triads or quads
Voltage Grade - Up to 1100 V
Conductor - Electrolytic grade copper Bare / Tinned Solid / Stranded/Flexible
conductors
Range - 0.5 / 0.75 / 1.0 / 1.5 / 2.5 Sq mm up to 48 Pair
Primary Insulation - General purpose PVC / Heat Resistant PVC / LDPE / XLPE / PTFE /
Fibre Glass / FEP / Silicone Rubber
Screening - Individual and/or overall with following options -
- Aluminum Mylar/Copper Tape with Tinned Copper Drain Wire or
- Braided with Bare or Tinned or Nickel Plated or Silver Plated Copper
Inner Sheath - PVC / HRPVC / FRPVC / FRLS PVC / ZHFR / LSF
Armouring - GI round Wire / Flat strip or Wire Braiding
Outer Sheath - PVC / HRPVC / FRPVC / FRLS PVC / ZHFR / LSF
Rip Cord - For easy removal of sheath
Standards - BS-5308 Part-1 & 2, BS-7655, IEC-189 (1 & 2), VDE-0815 & 0816 and
BS EN 50288
Additional Features - Communication pairs, Bi-colour extrusion

Note:- These cables are also designed as Data/Analogue cables.

Technical Data

Conductor Resistance at 20o C Ohms/Km Conductor Size mm2 0.5 0.75 1.0 1.5 2.5
Maximum Resistance 39.0 26.0 19.5 13.3 7.98
Capacitance nf/Km Between conductors Less than 250 nf/km
Between conductors & screen Less than 400 nf/km
Inductance mH/Km Less than 1.0

L/R Ratio H/Ohm

Coductor Size mm2 0.5 0.75 1.0 1.5 2.5

L/R

<25 <25 <25 <40 <40
Insulation Resistance at 20o  C M ohm-Km PVC More than 100
LDPE More than 5000
Electostatic noise rejection ratio More than 76.0 db