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| Categories | Thermocouple Extension Alloy | 
|---|---|
| Brand Name: | Senphus | 
| Model Number: | type T Extension | 
| Certification: | SGS, ISO9001 | 
| Place of Origin: | Jiangsu, 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. | 
| Product Name: | Cu-CuNi (Type J) Constantan Thermocouple Wire | 
| TP Material: | 100% Cu | 
| TN Material: | 55% Cu; 45% Ni | 
| Application: | Low Temperature Measurement | 
| Company Info. | 
| Jiangyin Chengxin Alloy Material Co., Ltd , | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Type T Thermocouple Extension Wire Essential For Temperature Control In Laboratories And Industrial Processes
Cu-CuNi, Type T thermocouple extension wire, is recognized for its accuracy and stability in temperature measurement, particularly in low to moderate temperature ranges. Composed of a copper (Cu) positive leg and a copper-nickel (CuNi) negative leg, Type T thermocouples are designed for temperatures between -200°C and 350°C. They offer high sensitivity, approximately 43 µV/°C, and are known for their repeatability and resistance to oxidation in moist conditions. Type T thermocouples are widely used in cryogenic applications, laboratory settings, food processing for temperature control during cooking or freezing, and various industrial processes where precise temperature monitoring is essential. Their versatility and compatibility with standard measurement equipment make them a popular choice for applications requiring reliable temperature data in moderate temperature environments.
Color codes of thermocouple ( T type )

Type T thermocouple has good resistance to oxidation, high EMF output, with good temperature accuracy, sensitivity and stability. In the temperature range -200~0 ℃ , it has better property, the year stability is less than ±3μV.
Thermocouple temperature range and tolerance
| Themcouple No. indexing | Compensation wire type | Usag classification | Measuring junction temperature/ ℃ | Standardc EMF value/μV | Presion grade | General grade | ||
| Tolerance/μV | Thermal EMF range/μV | Tolerance/μV | Thermal EMF range/μV | |||||
| T | TX | G | -25 | -940 | ±30 | -910~-970 | ±60 | -850~-1000 | 
| 100 | 4279 | 4249~4309 | 4189~4339 | |||||
| H | -25 | -940 | ±48 | -892~-988 | ±90 | -850~-1030 | ||
| 100 | 4279 | 4231~4327 | 4189~4369 | |||||
| 200 | 9288 | 9240~9336 | 9198~9378 | |||||
Compensating wire reciprocating resistance:
| Compensation wire type | Reciprocating Resistance (Ω/m20℃ less than) | ||||
| 0.2mm² | 0.5mm² | 1.0mm² | 1.5mm² | 2.5mm² | |
| TX | 2.6 | 1.04 | 0.52 | 0.35 | 0.21 | 
Some Key Features Cu-CuNi (Type T) Constantan Thermocouple Wire include:
In summary, Cu-CuNi (Type T) thermocouple extension wire is a reliable choice for temperature measurement in a variety of applications where low to moderate temperatures are involved.
Applications:
The Type T thermocouple extension wire's versatility, combined with its high accuracy and stability, makes it a popular choice for a range of temperature measurement applications.



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