Instrumentation Cables—XLPE Insulated, Overall Screened, DRYLAM Layered, Wire Armoured PVC Sheathed Cables(CU/XLPE/OSCR/DRYLAM/SWA/PVC)
CU/XLPE/OSCR/DRYLAM/SWA/PVC instrumentation cables are engineered to deliver stable signal transmission under harsh environmental and mechanical conditions. XLPE insulated copper conductors provide excellent dielectric performance and resistance to thermal aging.
The overall screen minimizes electromagnetic interference, ensuring precise signal transmission in sensitive instrumentation circuits. The DRYLAM water-blocking layer offers effective protection against moisture ingress, enhancing cable reliability in humid or buried installations. Steel wire armour improves resistance to mechanical stress and external damage, while the PVC sheath protects against abrasion, oils, and chemicals. This balanced construction combines electrical performance, water resistance, and mechanical durability for long-term industrial use.
- Standard BS EN 50288-7, IEC 60502-1 (General)
Construction
Technical Specifications
Quality Control
Application
Construction
XLPE Insulated, Overall Screened, DRYLAM Layered, Wire Armoured PVC Sheathed Cables
Conductor
Instrumentation cable shall have an annealed plain copper conductor or a tinned copper conductor. Depending upon cable application, conductor can be solid (Class-1), Stranded (Class-2), or flexible (Class-5) type as defined in BS EN / IEC 60228
Insulation
Instrumentation cable shall have PVC, XLPE, or HR-PVC insulation. Insulation material shall be selected based on the maximum operating temperature. PVC insulation is suitable for a continuous operating temperature of 70°C, whereas XLPE or HR-PVC is suitable for a continuous operating temperature of 90°C. Fire-rated / fire resistance instrumentation cables shall have Glass Mica Tape layer below insulation & shall have XLPE insulation.
Individual and Overall Screen
The screen is made of aluminum, mylar tape, + ATC drain wire. Aluminum mylar tape is made of aluminum with a thin layer of polyester. It helps in minimizing the crosstalk and prevents shorting.
Armour
Steel wire armour is applied to cables to shield against mechanical stresses and ensure that the core of the cable remains protected.
Inner and Outer Sheath
The sheath can be made of PVC, Polyethylene, or LSZH
Technical Specifications
Instrumentation Cables—XLPE Insulated, Overall Screened, DRYLAM Layered, Wire Armoured PVC Sheathed Cables(CU/XLPE/OSCR/DRYLAM/SWA/PVC)
Instrumentation Cables Main Specifications
Instrumentation Cables—XLPE Insulated, Overall Screened, DRYLAM Layered, Wire Armoured PVC Sheathed Cables(CU/XLPE/OSCR/DRYLAM/SWA/PVC)
| Conductor Size | Max. Conductor DC Resistance at 20°C for Plain Copper |
Max. Conductor DC Resistance at 20°C for Tinned Copper |
||
| Solid, Class - 1 & Stranded, Class - 2 |
Flexible, Class-5 | Solid, Class - 1 & Stranded, Class - 2 |
Flexible, Class-5 | |
| [mm2] | [Ω/km] | [Ω/km] | [Ω/km] | [Ω/km] |
| 0.50 | 36.72 | 39.78 | 37.434 | 40.902 |
| 0.75 | 24.99 | 26.52 | 25.296 | 27.234 |
| 1.00 | 18.462 | 19.89 | 18.564 | 20.4 |
| 1.50 | 12.342 | 13.566 | 12.444 | 13.974 |
| 2.50 | 7.5582 | 8.1396 | 7.7112 | 8.3742 |
| Conductor Size | Insulation Thickness | |||
| 90V | 300V | 500V | 1000V | |
| [mm2] | [mm] | [mm] | [mm] | [mm] |
| 0.50 | 0.20 | 0.26 | 0.44 | 0.70 |
| 0.75 | 0.20 | 0.26 | 0.44 | 0.70 |
| 1.00 | 0.26 | 0.26 | 0.44 | 0.70 |
| 1.50 | 0.30 | 0.35 | 0.44 | 0.70 |
| 2.50 | - | - | 0.53 | 0.70 |
| Conductor Size | Mutual Capacitance | Max. Continuous Operating Temperature | Inductance to Resistance Ratio (L/R) |
||
| XLPE | PVC | XLPE or HR - PVC | PVC | ||
| [mm2] | [nF/km] | [nF/km] | [°C] | [°C] | [μH/Ω] |
| 0.50 | 150 | 250 | 90 | 70 | < 25 |
| 0.75 | 150 | 250 | 90 | 70 | < 25 |
| 1.00 | 150 | 250 | 90 | 70 | < 25 |
| 1.50 | 150 | 250 | 90 | 70 | < 40 |
| 2.50 | 150 | 250 | 90 | 70 | < 60 |
| Number of Pair | Cable OD | Cable Weight | Drum Length | ||||||||
| 0.5mm² | 0.75mm² | 1.0mm² | 1.5mm² | 2.5mm² | 0.5mm² | 0.75mm² | 1.0mm² | 1.5mm² | 2.5mm² | ||
| [Nos] | [mm] | [mm] | [mm] | [mm] | [mm] | [kg/km] | [kg/km] | [kg/km] | [kg/km] | [kg/km] | [m] |
| 1 | 16.5 | 17.0 | 17.0 | 18.0 | 19.0 | 440 | 460 | 475 | 505 | 575 | 1000 |
| 2 | 19.0 | 20.0 | 20.5 | 21.5 | 24.0 | 555 | 590 | 620 | 670 | 805 | 1000 |
| 5 | 21.5 | 23.0 | 23.5 | 25.0 | 28.5 | 680 | 760 | 815 | 905 | 1275 | 1000 |
| 10 | 26.5 | 28.5 | 29.5 | 32.0 | 36.5 | 940 | 1200 | 1310 | 1505 | 1920 | 1000 |
| 20 | 32.0 | 34.0 | 35.5 | 38.5 | 45.0 | 1445 | 1655 | 1840 | 2155 | 3105 | 1000 |
| 30 | 36.0 | 38 | 40.5 | 44.5 | 1775 | 2055 | 2330 | 3030 | 500 | ||
| Number of Triad | Cable OD | Cable Weight | Drum Length | ||||||||
| 0.5mm² | 0.75mm² | 1.0mm² | 1.5mm² | 2.5mm² | 0.5mm² | 0.75mm² | 1.0mm² | 1.5mm² | 2.5mm² | ||
| [Nos] | [mm] | [mm] | [mm] | [mm] | [mm] | [kg/km] | [kg/km] | [kg/km] | [kg/km] | [kg/km] | [m] |
| 1 | 16.5 | 17.0 | 17.5 | 18.5 | 19.5 | 455 | 480 | 500 | 545 | 620 | 1000 |
| 2 | 20.0 | 21.0 | 21.5 | 23.0 | 25.5 | 595 | 645 | 685 | 770 | 920 | 1000 |
| 5 | 23.0 | 24.0 | 25.0 | 27.0 | 31.0 | 780 | 855 | 930 | 1075 | 1520 | 1000 |
| 10 | 29.0 | 31.0 | 32.5 | 34.5 | 40.5 | 1235 | 1410 | 1555 | 1795 | 2585 | 1000 |
| 20 | 34.5 | 37.0 | 39.0 | 43.0 | 1705 | 1990 | 2240 | 2910 | 500 | ||
| 30 | 39.0 | 42.5 | 45.0 | 2125 | 2760 | 3155 | 500 | ||||
| Number of Quad | Cable OD | Cable Weight | Drum Length | ||||||||
| 0.5mm² | 0.75mm² | 1.0mm² | 1.5mm² | 2.5mm² | 0.5mm² | 0.75mm² | 1.0mm² | 1.5mm² | 2.5mm² | ||
| [Nos] | [mm] | [mm] | [mm] | [mm] | [mm] | [kg/km] | [kg/km] | [kg/km] | [kg/km] | [kg/km] | [m] |
| 1 | 17.0 | 17.5 | 18.5 | 19.0 | 20.5 | 480 | 510 | 540 | 585 | 680 | 1000 |
| 2 | 22.5 | 23.5 | 24.5 | 26.0 | 30.0 | 700 | 770 | 825 | 925 | 1295 | 1000 |
| 5 | 26.0 | 28.5 | 29.5 | 32.0 | 36.5 | 930 | 1195 | 1305 | 1500 | 1915 | 1000 |
| 10 | 34.0 | 36.5 | 38.0 | 42.0 | 48.5 | 1540 | 1760 | 1950 | 2530 | 3300 | 1000 |
| 20 | 42.0 | 45.0 | 47.5 | 2410 | 2805 | 3160 | 500 | ||||
| 30 | 47.5 | 3010 | 500 | ||||||||
Note: Cable OD and Cable weight are subject to change based on the latest manufacturing practice.
Quality Control
Instrumentation Cables—XLPE Insulated, Overall Screened, DRYLAM Layered, Wire Armoured PVC Sheathed Cables(CU/XLPE/OSCR/DRYLAM/SWA/PVC)
Raw Material Test
Raw Material Test is the initial quality control stage for CU/XLPE/OSCR/DRYLAM/SWA/PVC instrumentation cables. Copper conductors are tested for electrical conductivity, tensile strength, and dimensional consistency. XLPE insulation compounds undergo thermal aging, elongation, and insulation resistance testing. Screening materials are inspected for conductivity and shielding effectiveness. DRYLAM water-blocking tapes and yarns are evaluated for swelling performance and moisture absorption capacity. Steel wire armour is tested for mechanical strength and flexibility, while PVC sheath materials are examined for flame retardancy and environmental resistance. Only materials that meet all technical specifications are approved for production.
Process inspection
Process Inspection ensures stable manufacturing quality of CU/XLPE/OSCR/DRYLAM/SWA/PVC instrumentation cables. XLPE insulation extrusion is monitored for thickness uniformity and concentricity. The overall screening process is inspected to confirm complete coverage and electrical continuity. DRYLAM layering is checked to ensure correct placement and effective water-blocking performance. Armouring is inspected for correct wire tension and lay length. PVC sheathing is controlled for surface quality and dimensional accuracy. Continuous in-process inspections ensure compliance with design and performance requirements.
Finished Product
Finished Product Test verifies the final performance of CU/XLPE/OSCR/DRYLAM/SWA/PVC instrumentation cables. Electrical tests include conductor resistance, insulation resistance, and voltage withstand testing. Mechanical tests assess tensile strength, bending capability, and impact resistance. Water penetration tests confirm the effectiveness of the DRYLAM layer. Final visual and dimensional inspections ensure correct construction, marking, and overall workmanship before shipment.
Application
These cables are widely used in oil and gas facilities, power plants, water treatment systems, industrial automation, and underground installations requiring moisture protection and signal reliability.
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
Product Packaging
Wires and Cables packaging (1)
Wires and Cables packaging (2)
Wires and Cables packaging (3)
Wires and Cables packaging (4)
Wires and Cables packaging (5)
Wires and Cables packaging (6)
Wires and Cables packaging (7)
Wires and Cables packaging (8)
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