Construction
Conductor | : | Bare or tinned copper, ranging from 0.25 to 6 sq.mm. |
Shield | : | Aluminium mylar tape screen with tinned copper drain wire with individual or overall shielding. |
Insulation | : | 70˚C/85˚C/105˚C PVC |
Sheath | : | PVC |
Type | : | Armoured or unarmoured |
Application
These cables are used for transmitting signals between and within the Instruments generally operating from 50 Hz to 1000 Hz having typical parameters like, characteristics impedance; capacitance and attenuation limit requirements as per the Customer’s specification. These cables are widely used in Electronic equipments at the Utility Boards and the Industries.
Instrumentation Cables
Cable Size (Sq. mm) | Conductor Class | No. of Wire /Max. Strand Diameter (mm) | Max. DC Conductor Resistance* at 20°C (Ω/km) | Max. L/R Ratio (μH/Ω) | Min. Insulation Resistance (GΩ x cm) | Max. Mutual Capacitance (nF/km) | Max. Inductance (mH/km) | Test Voltage Vrms (Core-Core) | Test Voltage Vrms (Core-Screen) |
0.5 | 2 | 7/0.3 | 36.7 | 25 | 20 | 250 | 1 | 2000 | 2000 |
0.5 | 5 | 16/0.2 | 39.8 | 25 | 20 | 250 | 1 | 2000 | 2000 |
0.75 | 2 | 7/0.37 | 25.0 | 25 | 20 | 250 | 1 | 2000 | 2000 |
0.75 | 5 | 24/0.2 | 26.5 | 25 | 20 | 250 | 1 | 2000 | 2000 |
1 | 2 | 7/0.43 | 18.5 | 25 | 20 | 250 | 1 | 2000 | 2000 |
1 | 5 | 32/0.2 | 19.9 | 25 | 20 | 250 | 1 | 2000 | 2000 |
1.5 | 2 | 7/0.53 | 12.3 | 40 | 20 | 250 | 1 | 2000 | 2000 |
2.5 | 2 | 7/0.67 | 7.6 | 60 | 20 | 250 | 1 | 2000 | 2000 |