In Process Checks
Final Testing
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| Raw Material Test In Process Checks Final Testing |
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Items |
Parameters |
Test Equipments |
| Copper wire | ||
| Diameter | Micrometer | |
| Tensile strength | Tensile machine | |
| Elongation | Tensile machine | |
| Persulphate Test | Test tubes | |
| Resistance at 20°C | Kelvin bridge | |
Rubber compound
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| Specific gravity | Electronic balance | |
| density
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Chemical balance
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Items |
Process |
Parameters |
Test Equipments |
Copper |
Bunching |
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| Diameter | Micrometer | ||
| Tinning | Persulphate Test | Test tubes (Chemical) | |
| Rubber | Insulation | Outer diameter of insulated conductor | Micrometer |
| Thickness of insulation | Vernier Calliper | ||
| Tensile strength | Tensile machine | ||
| Elongation | Tensile machine | ||
| Ageing | Ageing oven | ||
| Weight loss | Chemical balance | ||
| Spark Test | On line | ||
| Twisting / Laying of pairs | Length of lay | ||
|
Test |
Parameter |
Test Equipments |
| Sheath | ||
| Overall diameter | Vernier Calliper | |
| Thickness of sheath | Vernier Calliper | |
| Tensile strength | Tensile machine | |
| Elongation | Tensile machine | |
| Ageing | Ageing oven | |
| Continuity | Multimeter | |
| High Voltage | H.V. Tester | |
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