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Wire Thermocouple with Connector Extension Cable Surface Temperature Measurement
Thermocouples are available in various forms and shapes. They are made of various diameters, length, sheath material, combinations of the materials mentioned above, lead wire lengths etc.
The most commonly used shapes are beads and probes. The beads shaped thermocouples are highly inexpensive and have very fast response time. Probes are available in the market for measuring temperature in different applications like industrial, medical, scientific, food etc. The connectors used with the probes come with round pins, called standard connectors, or the flat pins, called as miniature connectors.
When selecting the thermocouple for any application, one should consider the range of the temperature to be measured, the response time required, accuracy and the surrounding environment. As per the existing conditions one can select proper materials combinations and proper shape of the thermocouple.
The Thermocouple Connector Type
The Extension Cable Type
The Nominal Accuracy Tolerence for All Types of Thermocouple Wires
| Thermocouple Code | Extension Cable Code | Alloy Wire Name | Temperature Range(℃) | Application Classification | Tolerence(μV) | Thermocouple Measurement Terminal Temperature (℃) | |
| Precision Grade | Normal Grade | ||||||
| S or R | SC or RC | Cu-CuNi0.6 | 0-100 | G | ±30 (±2.5℃) | ±60 (±5.0℃) | 1000 |
| 0-200 | H | - | ±60 (±5.0℃) | ||||
| K | KCA | Fe-CuNi22 | 0-100 | G | ±44 (±1.1℃) | ±88 (±2.2℃) | 900 |
| 0-200 | H | ||||||
| KCB | Cu-CuNi40 | 0-100 | G | ||||
| KX | NiCr10-NiSi3 | -25-100 | G | ||||
| -25-200 | H | ||||||
| N | NC | Fe-CuNi218 | 0-100 | G | ±43 (±1.1℃) | ±86 (±2.2℃) | 900 |
| 0-200 | H | ||||||
| NX | NiCr14Si-NiSi4Mg | -25-100 | G | ||||
| -25-200 | H | ||||||
| E | EX | NiCr10-CuNi45 | -25-100 | G | ±81 (±1.0℃) | ±138 (±1.7℃) | 500 |
| -25-200 | H | ||||||
| J | JX | Fe-CuNi45 | -25-100 | G | ±62 (±1.5℃) | ±123 (±2.5℃) | 500 |
| -25-200 | H | ||||||
| T | TX | Cu-CuNi45 | -25-100 | G | ±30 (±0.5℃) | ±60 (±1.0℃) | 300 |
| -25-200 | H | ±48 (±0.8℃) | ±90 (±1.5℃) | ||||