Thermocouple Extension and Compensating Cable
Huadong offers both compensating thermocouples and thermocouple extension wires that are suitable for a wide range of temperatures.
The commonly used compensating types include J-type, T-type, K-type, and E-type.
The extension thermocouple wires come in JX-type, TX-type, KX-type, and EX-type. There are various types of products for you to choose from.
- Rated Voltage:
300V, 600V - Temperature Range:
-60℃~1000℃ - Construction:
Single/ Multi-Core - Conductor:
Tnickel-chrome, nickel-silicone, iron, copper-nickel, copper - Insulation:
FEP Teflon/ PVC/ Silicone Rubber - Braiding:
Fiberglass, Tinned copper, Nickel copper, etc.
Uesd in metallurgy, chemical industry, petroleum, power generation, defense and science research, and cables for connection between thermocouples and temperature display instrument.
Suitable for a wide temperature range. Color-coded according to industrial standards for easy identification. The standard insulation materials are Fiberglass, Teflon, and PVC.
Calibration of Thermocouple | Model Number of Compensation Cable | Alloy Wire Name of Compensation Cable |
S or R | SC or RC | Cu-CuNi |
K | KC | Cu-CuNi |
KX | NiCr-NiSi | |
N | NC | Fe-CuNi |
NX | NiCrSi-NiSiMg | |
E | EX | NiCr-CuNi |
J | JX | Fe-CuNi |
T | TX | Cu-CuNi |
Type | Single Color | Ansi Color Coding Overall Extension | Overall Thermocouple | Conductor Alloys | Temperature Range °F (°C) Thermocouple Grade Extension Grade | Tolerance(standard) / Whichever is Greater | Tolerance(Special) / Whichever is Greater |
E | Purple Red | Purple | Brown | EP/EN Chromel/Constantan | -328 to 1652 (-200 to 900) 32 to 392 (0 to 200) | +-1.7 °C or +-0.5% | +-1.0 °C or +-0.4% |
J | White Red | Black | Brown | JP/JN Iron/Constantan | 32 to 1382 (0 to 750) 32 to 392 (0 to 200) | +-2.2 °C or +-0.75% | +-1.1 °C or +-0.4% |
K | Yellow Red | Yellow | Brown | KP/KN Chromel/Alumel | 328 to 2282 (-200 to 1250) 32 to 392 (0 to 200) | +-2.2 °C or +-0.75% | +-2.2 °C or +-0.75% |
N | Orange Red | Orange | Brown | NP/NN Nicrosil/Nisil | -450 to 2372 (-270 to 1300) 32 to 392 (0 to 200) | +-2.2 °C or +-0.75% (2% below 0 °C) | +-2.2 °C or +-0.75% (2% below 0 °C) |
T | Blue Red | Blue | Brown | TP/TN Copper/Constantan | -328 to 662 (-270 to 350) 32 to 392 (0 to 200) | +-2.2 °C or +-0.75% (1.5% below 0 °C) | +-0.5 °C or +-0.4% |
B | Grey Red | Grey | None | BP/BN Platinum 30% Rhodium Platinum 6% Rhodium | 32 to 3092 (0 to 1700) 32 to 212 (0 to 100) | +-3.7 °C or +-0.5% over 800 °C | NOT ESTABLISHED |
C | White Red | White Red Trace | None | CP/CN Tungsten 5% Rhenium Tungsten 26% Rhenium | 32 to 4208 (0 to 2320) 32 to 1600 (0 to 870) | +-4.5 °C to or 425 °C 1% to 2320 °C | NOT ESTABLISHED |
R/S | Black Red | Green | None | RP/RN R=Platinum/13% Rhodium S=10% Rhodium/Pure Platinum | 32 to 2462 (0 to 1450) 32 to 300 (0 to 150) | 1.5 °C or 0.25% | 0.6 °C or 0.1% |