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| Customization: | Available |
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| Type: | Insulated |
| Conductor Type: | Stranded |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Thermocouple Code | Comp. Type | Comp. Wire Name | Positive | Negative | ||
| Name | Code | Name | Code | |||
| S | SC | copper-constantan 0.6 | copper | SPC | constantan 0.6 | SNC |
| R | RC | copper-constantan 0.6 | copper | RPC | constantan 0.6 | RNC |
| K | KCA | Iron-constantan22 | Iron | KPCA | constantan22 | KNCA |
| K | KCB | copper-constantan 40 | copper | KPCB | constantan 40 | KNCB |
| K | KX | Chromel10-NiSi3 | Chromel10 | KPX | NiSi3 | KNX |
| N | NC | Iron-constantan 18 | Iron | NPC | constantan 18 | NNC |
| N | NX | NiCr14Si-NiSi4Mg | NiCr14Si | NPX | NiSi4Mg | NNX |
| E | EX | NiCr10-Constantan45 | NiCr10 | EPX | Constantan45 | ENX |
| J | JX | Iron-constantan 45 | Iron | JPX | constantan 45 | JNX |
| T | TX | copper-constantan 45 | copper | TPX | constantan 45 | TNX |
1. Chemical Composition
| Material | Chemical composition (%) | ||||
| Ni | Cr | Si | Mn | Al | |
| KP(Chromel) | 90 | 10 | |||
| KN(Alumel) | 95 | 1-2 | 0.5-1.5 | 1-1.5 | |
2. Physical properties and Mechnical properties
|
Material |
Density(g/cm3) |
Melting point(ºC) |
Tensile Strength(Mpa) |
Volume resistivity(μΩ.cm) |
Elongation rate (%) |
| KP(Chromel) | 8.5 | 1427 | >490 | 70.6(20ºC) | >10 |
| KN(Alumel) | 8.6 | 1399 | >390 | 29.4(20ºC) | >15 |
3. EMF Value range at different temperature
| Material | EMF value Vs Pt(μV) | |||||
| 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 600ºC | |
| KP(Chromel) | 2816~2896 | 5938~6018 | 9298~9378 | 12729~12821 | 16156~16266 | 19532~19676 |
| KN(Alumel) | 1218~1262 | 2140~2180 | 2849~2893 | 3600~3644 | 4403~4463 | 5271~5331 |
| EMF value Vs Pt(μV) | ||||
| 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC |
| 22845~22999 | 26064~26246 | 29223~29411 | 32313~32525 | 35336~35548 |
| 6167~6247 | 7080~7160 | 7959~8059 | 8807~8907 | 9617~9737 |
Type K Extension Cable Chromel / Alumel Material FEP insulation
Specifications
1.Style:Extension Wire
2.Thermocouple copper wire
Thermocouple copper wire Classification
1. Thermocouple level (high temperature level). This type of thermocouple wire is mainly suitable for thermocouple type K, J, E, T, N and L and other high temperature detection instrument, temperature sensor, etc.
2. Compensating wire level (low temperature level). This type of thermocouple wire is mainly suitable for compensating cable and extension wire of various thermocouples of type S, R, B, K, E, J, T, N and L, heating cable, control cable and so on.
Thermocouple variety and index
Thermocouple Variety and Index |
||
Variety |
Type |
Measurement Range(°C) |
NiCr-NiSi |
K |
-200-1300 |
NiCr-CuNi |
E |
-200-900 |
Fe-CuNi |
J |
-40-750 |
Cu-CuNi |
T |
-200-350 |
NiCrSi-NiSi |
N |
-200-1300 |
| NiCr-AuFe0.07 | NiCr-AuFe0.07 | -270-0 |
3 . Dimensions and Tolerance of Fiberglass Insulated Thermocouple Wire
Dimensions / Tolerance mm ) : 4.0+-0.25
Color code & initial calibration tolerances for thermocouple wire:
| Thermocouple Type | ANSI Color Code | Initial Calibration Tolerances | ||||
| Wire Alloys | Calibration | +/- Conductor |
Jacket | Temperature Range | Standard Limits |
Special Limits |
| CHROMEL(+) vs. ALUMEL(-) |
K | Yellow/Red | Brown | -200°C to -110°C -110°C to 0°C 0°C to +285°C 285°C to +1250°C |
± 2% ±2.2°C ±2.2°C ± .75% |
±1.1°C ± .4% |
Color Code & Initial Calibration Tolerance for Extension Wire:
| Extension type | ANSI Color Code | Initial Calibration Tolerances | ||||
| Wire Alloys | Calibration | +/- Conductor |
Jacket | Temperature Range | Standard Limits |
Special Limits |
| Iron (+) vs. Constantan(-) | JX | White/Red | Black | 0°C to +200°C | ±2.2°C | ±1.1°C |
| CHROMEL (+) vs. ALUMEL (-) | KX | Yellow/Red | Yellow | 0°C to +200°C | ±2.2°C | ±1.1°C |
| Copper(+) vs. Constantan(-) | TX | Blue/Red | Blue | -60°C to +100°C | ±1.1°C | ± .5°C |
| CHROMEL(+) vs. Constantan(-) | EX | Purple/Red | Purple | 0°C to +200°C | ±1.7°C | ±1.1°C |
PVC-PVC Physical Properties:
| Characteristics | Insulation | Jacket |
| Abrasion Resistance | Good | Good |
| Cut Through Resistance | Good | Good |
| Moisture Resistance | Excellent | Excellent |
| Solder Iron Resistance | Poor | Poor |
| Service Temperature |
105ºC continuous 150ºC single |
105ºC continuous 150ºC single |
| Flame Test | Self-extinguishing | Self-extinguishing |
Wire and cable manufacturer Linke Cable Technology Co., Ltd is a leading cable supplier in China. In the past over 10 years, Linke Cable has been focusing on R&D, production and marketing of wire and cable. Linke provide various cables&custom cable solutions for all over the world. We are specialized in EV charging cable, medical cable, silicone cable, spring cable, braided cable, towlobe cable, UL wire, automotive cable, etc.
At Linke cable, we believe there's a better way to bring better cables to market. We use an engineer-to-engineer approach to develop better cables for customers and improve the quality of one's life.
CNR- Appliance Wiring Material,
Extruded PVC Insulated Single,rated 105ºC,1000V,ClassI,GroupA,B,or AB, FT1 and/or FT2.
Extruded PVC Non-integral Jacketed Cable, rated 105"C, 1000V, Class I, Class or Class I/Il, Group A, B, or AB, FT1 and/or FT2.
Extruded TPU Non-integral Jacketed Cable, rated 80"C, 300V, Class I, Class or Class I/Il, Group A, B, or AB, FT1 and/or FT2
| Brand | LINKE | Cross Section (mm²) | 0.01-500mm² |
| Wire Gauge (AWG) | [e.g., 24AWG, 28AWG] | Conductor | Tinned Copper /bare copper, based on client's requirements |
| Insulation material | PVC/TPU/Silicone rubber/PE/PP/XLPE/Nylon/other | Jacket Material | [PVC/PU/Rubber/Braid/etc.] |
| Certifications | RoHS/REACH/UL/CE/IP68/etc | Custom Length | [e.g., 1m, 3ft, 5m ±5% tolerance] |
| Cable Type | [Medical/Power/Audio/Coaxial/Electrical/Automotive/Energy storage//etc.] | Shielding | [Shielded/Unshielded/Braid Shield] |
| Impedance | [e.g., 75Ω (for coaxial cables)] | Printing/Logo | [Text/Label/Logo, max. 20 characters] |
| Bend Radius | [e.g., ≥5× cable diameter] | Current Rating | [e.g., 5A] |
| Voltage Rating | [e.g., 30V AC/DC] | Connector Material | [Gold-plated/Nickel-plated/Brass/etc.] |
| Connectors | [e.g., USB Type-C, 3.5mm Jack, RJ45] | Jacket | XLPE or PE or PVC RUBBER |
| Delivery Time | 7-14 days after confirming the order | Colors | [Black/White/Red/Custom Pantone/etc.] |
| temperature | Minus-70ºCto 350ºC(-70ºC ~ 350ºC) | Package | Roll/box/plate/Custom |
| Supporting Services | \multicolumn {3}{l}{custom cable, end to end solutions, including precise cutting, crimping and installation of lugs (specify material,e.g.,copper/nickel plated) |


Linke cable technology (DongGuan) Co. Ltd. concentrate on R&D and
provide professional solutions to the Cable&Wire,especially for the
different industry customers.It contains :
Humanoid robot cable,
AI power cable/data cable,
Semiconductor cable/industrial automatic cable,
Sensor cable,
New energy cable,
Medical beauty wire,
UL wire cable,
Linke Cable has diversified product development capabilities and technical capabilities to support diversified
customer needs. We have obtained the following product authorization:UL 758,CCC,RoHs,REACH,CE; We
have obtained the following quality management system:ISO 9001-2015(All products); ISO 13485
(Medical apparatus and instruments),IATF 16949(Auto industry)
Independent Laboratory • Complete Testing Equipment • Full Quality Control
We test every product by strict standards to ensure superior quality and reliable performance.
| No. | Test Item | Test Condition | Test Requirement | Test Data | Result |
| 1 | Structure Inspection | 1. Comply with wire size table2. Minimum thickness ≥ 80% of average thickness | Comply with wire size table | Refer to test record | Pass |
| 2 | Thermal Shock | Wind the sample on an iron rod of specified size, place in an aging oven at specified temperature for 1 hour, cool the sample to room temperature for at least 30 minutes, then observe the sample | No cracks on the sample surface | No cracks | Pass |
| 3 | Heat Deformation | 1. Measure sample thickness (mark measurement position)2. Place sample and test fixture in aging oven for preheating at specified temperature for 1 hour3. Place sample under pressure column of test fixture for 1 hour4. Re-measure sample thickness at the same position | 1. Sample shall not be cracked by pressure column or expose conductor2. Thickness reduction ≤ 50% | Refer to test record | Pass |
| 4 | FT2 | Apply a standard flame at a height of 125mm once | 1. Flame shall not propagate along its length2. Flame shall not spread to nearby flammable materials | Refer to test record | Pass |
| 5 | Aging | 1. Take five sections of 200mm-long sheath2. Place specimens in aging oven at 158ºC for 168 hours3. After taking out specimens, place at room temperature 23±5ºC for 16 hours, then test elongation at break and tensile strength | 1. Elongation before aging ≥ 300%, elongation after aging ≥ 80% of that before aging2. Tensile strength before aging > 1.41kg/mm², tensile strength after aging ≥ 80% of that before aging | Refer to test record | Pass |
| 6 | Cold Bend | Store sample in low-temperature box at specified temperature for 4 hours, wind sample on iron rod of specified size with specified turns, complete winding within 30 seconds after sample is taken out of low-temperature box | No cracks on the sample surface | No cracks | Pass |
| 7 | Conductor Resistance | Measure resistance of one-meter core conductor with DC resistance meter | At 20ºC, resistance of 8AWG ≤ 2.23Ω/km | Refer to test record | Pass |

1. Are you a manufacturer or trading company?
We are a professional manufacturer. We can control your order from the first begining to the last.
Welcome to visit us. We'll pick you up in Shenzhen.
2. How can I get a sample to test your quality?
The samples are free for you. New clients are expected to pay for the courier cost.
3. What's your Minimum Order Quantity?
Normally 100m. However, the cable is very heavy.
You'd better order a suitable quantity to avoid the high freight.
Sea transportation is the best option.
4. Can I get a discount?
It depends on your quantity, We can make a discount and afford the freight. Pls kindly contact us.
5. Does your company accept OEM production?
Yes, could print your company name, we even custom the quality card to promote your company