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Instrumentation Cables—XLPE Insulated, Individual & Overall Screened, Unarmoured PVC Sheathed Cables(CU/XLPE/IOSCR/PVC)​ image1
Instrumentation Cables—XLPE Insulated, Individual & Overall Screened, Unarmoured PVC Sheathed Cables(CU/XLPE/IOSCR/PVC)​ image2
Instrumentation Cables—XLPE Insulated, Individual & Overall Screened, Unarmoured PVC Sheathed Cables(CU/XLPE/IOSCR/PVC)​ image3
Instrumentation Cables—XLPE Insulated, Individual & Overall Screened, Unarmoured PVC Sheathed Cables(CU/XLPE/IOSCR/PVC)​ image1
Instrumentation Cables—XLPE Insulated, Individual & Overall Screened, Unarmoured PVC Sheathed Cables(CU/XLPE/IOSCR/PVC)​ image2
Instrumentation Cables—XLPE Insulated, Individual & Overall Screened, Unarmoured PVC Sheathed Cables(CU/XLPE/IOSCR/PVC)​ image3

Instrumentation Cables—XLPE Insulated,Individual &Overall Screened,Unarmoured PVC Sheathed Cables(CU/XLPE/IOSCR/PVC)

Instrumentation Cables are multi-conductor cables that carry and transport low-voltage electrical signals. These low-voltage signals are used to control and monitor electrical power systems. Instrumentation cables have many different industrial applications that include broadcasting, equipment control, such as drilling and pumping in the oil and gas industry, and data transfer, which includes analog and digital signals. They are manufactured according to the BS EN 50288-7 and BS EN 50288-1 standards to ensure quality. Depending on the application, instrumentation cables can be insulated with PVC or XLPE; the cables can be armoured or unarmoured. The sheathing materials can be of PVC, LSZH, or PE. The cables can have additional flame retardant or flame retardant properties, and they can be manufactured with special protections such as lead sheaths, or DRYLAM or AIRBAG technology.
Standard BS EN 50288-7, IEC 60502-1 (General)
Construction
Technical Specifications
Quality Control
Application

Construction

XLPE Insulated, Individual & Overall Screened, Unarmoured PVC Sheathed Cables(CU/XLPE/IOSCR/PVC)
Instrumentation Cables CU/XLPE/IOSCR/PVC Standard Conductor

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,Individual &Overall Screened,Unarmoured PVC Sheathed Cables(CU/XLPE/IOSCR/PVC)
Instrumentation Cables Main Specifications
Instrumentation Cables—XLPE Insulated, Individual & Overall Screened, Unarmoured PVC Sheathed Cables(CU/XLPE/IOSCR/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]
2 10.0 11.0 11.5 12.5 15.0 100 115 130 160 220 1000
5 13.0 14.0 14.5 16.5 19.5 180 215 245 310 440 1000
10 18.0 19.5 20.5 23.0 27.5 330 395 455 575 835 1000
20 23.0 25.0 27.0 30.0 36.0 580 715 835 1075 1555 1000
30 27.5 30 32 36   835 1035 1215 1560 2265 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]
2 11.0 12.0 13.0 14.0 16.5 120 145 165 200 285 1000
5 14.0 15.5 16.5 18.5 22.0 225 280 330 415 595 1000
10 20.0 22.0 23.5 26.0 31.0 415 515 615 775 1140 1000
20 26.0 28.5 30.5 34.0   750 940 1145 1455   500
30 31.0 33.5 36.0     1085 1370 1650     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]
2 13.0 14.0 14.5 16.5 19.5 145 175 205 255 365 1000
5 16.5 18.0 19.0 21.5 25.5 280 355 415 530 770 1000
10 23.5 25.5 27.5 30.5 37.0 515 655 790 1010 1490 1000
20 30.5 33.5 35.5     945 1215 1455     500
30 36.0         1370         500

 

Note: Cable OD and Cable weight are subject to change based on the latest manufacturing practice.

Quality Control

Instrumentation Cables—XLPE Insulated,Individual &Overall Screened,Unarmoured PVC Sheathed Cables(CU/XLPE/IOSCR/PVC)
Instrumentation Cables CU/XLPE/IOSCR/PVC  Raw Material Test

Raw Material Test

NPC has always chosen raw material suppliers who have a good reputation, possess stable supply capabilities and have passed international quality system certifications (such as ISO 9001). And establish a long-term cooperative relationship with it, forming a stable and reliable raw material supply chain.
We will ensure that all raw materials are subject to strict inspection procedures upon entry to the factory, and can only be stored in the warehouse after they have been confirmed to meet the standards.

Instrumentation Cables CU/XLPE/IOSCR/PVC Process inspection

Process inspection

NPC has strict quality control procedures for each process in the cable production process.
Process documents: Develop detailed process flow and operation instructions to clarify the operating specifications and quality standards of each process.
Equipment calibration: Regularly calibrate key equipment such as wire drawing machines, stranding machines, extruders, and diameter gauges to ensure that the accuracy meets the requirements.
First piece confirmation: Before each batch of production, the first piece is trial-produced to confirm that the process parameters, product dimensions, electrical performance, etc. meet the standards before mass production can be carried out.

Instrumentation Cables CU/XLPE/IOSCR/PVC Finished Product

Finished Product

Inspectors conduct ex-factory inspections on cables according to relevant standards and corresponding product inspection specifications to ensure that each ex-factory product complies with the process regulations.

Application

Instrumentation cables are multi-conductor cables that carry and transport low-voltage electrical signals. These low-voltage signals are used to control and monitor electrical power systems. Instrumentation cables have many different industrial applications that include broadcasting, equipment control, such as drilling and pumping in the oil and gas industry, and data transfer, which includes analog and digital signals. They are manufactured according to the BS EN 50288-7 and BS EN 50288-1 standards to ensure quality.

Technical Advantages

● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions

Product Packaging

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Wires and Cables packaging (1)
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Wires and Cables packaging (8)

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FAQ From Customers

What are the advantages of power cables and overhead lines?
(1) Reliable operation, because it is installed in a hidden place such as underground, it is less damaged by external forces, has less chance of failure, and the power supply is safe, and it will not cause harm to people;
(2) The maintenance workload is small and frequent inspections are not required;
(3) No need to erect towers;
(4) Help improve power factor.
Which aspects should be considered when choosing the cross section of a power cable?
(1) The long-term allowable working current of the cable;
(2) Thermal stability once short circuited;
(3) The voltage drop on the line cannot exceed the allowable working range.
What are the measures for cable fire prevention?
(1) Use flame-retardant cables;
(2) Use fireproof cable tray;
(3) Use fireproof paint;
(4) Fire partition walls and fire baffles are installed at cable tunnels, mezzanine exits, etc.;
(5) Overhead cables should avoid oil pipelines and explosion-proof doors, otherwise local pipes or heat insulation and fire prevention measures should be taken.
What should be paid attention to during the transportation and handling of cables?
(1) During transportation, loading and unloading, cables and cable reels should not be damaged. It is strictly forbidden to push the cable reels directly from the vehicle. Generally, cables should not be transported and stored flat.
(2) Before transporting or rolling the cable reel, ensure that the cable reel is firm, the cable is wound tightly, the oil pipe between the oil-filled cable and the pressure oil tank should be fixed without damage, the pressure oil tank should be firm, and the pressure indication should meet the requirements.
What inspections should be carried out for the acceptance of cable lines?
(1) The cable specifications should meet the regulations, the arrangement should be neat, no damage, and the signs should be complete, correct and clear;
(2) The fixed bending radius of the cable, the related distance and the wiring of the metal sheath of the single-core power cable should meet the requirements;
(3) The cable terminal and the middle head should not leak oil, and the installation should be firm. The oil pressure of the oil-filled cable and the meter setting should meet the requirements;
(4) Good grounding;
(5) The color of the cable terminal is correct, and the metal parts such as the bracket are completely painted;
(6) There should be no debris in the cable trench, tunnel, and bridge, and the cover should be complete.

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