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| Categories | Thermocouple Extension Alloy | 
|---|---|
| Brand Name: | Senphus | 
| Model Number: | KX, KCA, KCB | 
| Certification: | SGS, ISO9001 | 
| Place of Origin: | China | 
| MOQ: | 5kg | 
| Payment Terms: | T/T, D/P | 
| Supply Ability: | 30 tons per day | 
| Delivery Time: | 3 days | 
| Packaging Details: | Packed with waterproof paper or weave bag, into pallets or wooden case. Special packaging requirements can also be accommodated. | 
| Shielding Material: | Tinned Copper | 
| Name: | KX, KCA, KCB Thermocouple Extension | 
| Jacket Material: | PVC | 
| Type: | SNX, SPX | 
| Wire Material: | Alloy | 
| Emf Tolerance: | +/- 1.0C or +/- .75% | 
| Conductor Material: | Chromel/Alumel | 
| Other Name: | copper-constantan thermocouple | 
| Shielding: | Braided Or Foil | 
| Positive: | Copper | 
| Insulation Material: | Fiberglass | 
| Conductor Type: | Solid Or Stranded | 
| Shielding Coverage: | 95% | 
| Certifications: | ISO, CE, RoHS, Etc. | 
| Voltage Rating: | 300V | 
| Jacket Color: | Black | 
| Company Info. | 
| Jiangyin Chengxin Alloy Material Co., Ltd , | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Thermocouple Extension Alloy for Type K KX.KCA or KCB Precise and Long-lasting Temperature Measurement
Thermocouple extension wires are used to extend the length of thermocouple leads, enabling accurate temperature measurements over a greater distance. These wires are made from specific alloys that ensure the thermal and electrical properties of the thermocouple remain intact. For Type K thermocouples (which use Chromel and Alumel alloys), the extension wires are made from alloys such as KX, KCA, and KCB to provide reliable performance in various industrial and scientific applications.
EMF of compensating wire and the tolerance
| Themocouple No. indexing | Compensation wire tpye | Usag Classification | Measuring junction temperature/℃ | Standard EMF value/μV | Precision grade | General grade | ||
| Tolerance μV | Thermal EWF range μV | Tolerance μV | Thermal EWF range μV | |||||
| K | KX.KCA or KCB | G | -25 | -968 | ±40 | 924~1012 | ±80 | -880~-1056 | 
| 100 | 4096 | 4052~4140 | 4008~4184 | |||||
| H | -25 | -968 | ±40 | -924~1012 | ±88 | -880~-1056 | ||
| 100 | 4096 | 4052~4140 | 4008~4184 | |||||
| 200 | 8138 | 8094~8182 | 8050~8226 | |||||
Compensating wire reciprocating resistance
| Compensation wire type | Reciprocating resistance at 20℃ Ω/m (Less than) | ||||
| 0.2mm² | 0.5mm² | 1.0mm² | 1.5mm² | 2.5mm² | |
| KCA | 3.5 | 1.40 | 0.7 | 0.47 | 0.28 | 
| KCB | 2.6 | 1.04 | 0.52 | 0.35 | 0.21 | 
| KX | 5.5 | 2.2 | 1.1 | 0.73 | 0.44 | 
Thermocouple extension wires for Type K (KX, KCA, KCB) provide an effective solution for extending the length of thermocouple leads without compromising the accuracy or performance of the temperature measurement system. These extension wires ensure reliable and accurate temperature readings in a wide range of applications, including industrial, scientific, and research environments, by maintaining the thermoelectric properties of Type K thermocouples. The alloys used in KX, KCA, and KCB provide excellent resistance to oxidation and corrosion, making them highly durable in high-temperature and demanding conditions.



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