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.
Construction
- 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.
Application
Uesd in metallurgy, chemical industry, petroleum, power generation, defense and science research, and cables for connection between thermocouples and temperature display instrument.
Features
Suitable for a wide temperature range. Color-coded according to industrial standards for easy identification. The standard insulation materials are Fiberglass, Teflon, and PVC.
Type
| 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 |
Thermocouple Wire Specification
| 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% |