Thermocouple Compensating Lead Wire
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Thermocouple compensating lead wires are used to connect the electrode (cold side of a thermocouple) with display instruments in order to complete a readable temperature measurement system. The working temperature of the wire is -25~200℃. Our plant produces a variety of these wires in order to meet your specific needs. They comply with both Chinese and international thermocouple standards.
Note:
1. Do not store for longer than six months.
2. Do not use in humid environments.
EMF of Compensating Wire and the Tolerance
| Thermocouple No. indexing | Compensation wire type | Usag Classification | Measuring junction temperature / ℃ | standard EMF value/μV | Precision grade | General grade | ||
| Tolerance μV | Thermal EMF range μV | Tolerance μV | Thermal EMF range μV | |||||
| S or R | SC or RC | G | 100 | 646 | ±30 | 616~676 | ±60 | 586~706 |
| H | 100 200 | 646 1 1441 | - - | - - | ±60 | 586~706 1.381~1 501 | ||
| K | KX,KCA or KCB | G | -25 100 | -968 4 096 | ±40 | -924~-1 012 4 052~4 140 | ±80 | -880~-1 056 48~4 184 |
| H | -25 100 200 | -968 4 096 8 138 | ±40 | -924~-1 012 4 052~4 140 8 094~8 182 | ±88 | -880~-1 056 48~4 184 8 050~8 226 | ||
| N | NX or NC | G | -25 100 | -646 2 774 | ±43 | -603~-689 2 731~2 817 | ±86 | -560~-732 2 688~2 860 |
| H | -25 100 200 | -646 2 774 5 913 | ±43 | -603~-690 2 731~2 817 5 870~5 956 | ±86 | -560~-732 2 688~2 860 5 827~5 999 | ||
| E | EX | G | -25 100 | -1 432 6 319 | ±81 | -1 351~-1 513 6 238~6400 | ±138 | -1 294~-1 570 6 181~6 457 |
| H | -25 100 200 | -1 432 6 319 13 421 | ±81 | -1 351~- 1513 6 238~6 400 13 340~13 502 | ±138 | -1 294~-1 570 6 181~6 457 13 283~13 559 | ||
| J | JX | G | -25 100 | -1 239 5 269 | ±62 | -1 177~-1 301 5 207~5 331 | ±123 | -1 116~-1 362 5 146~5 392 |
| H | -25 100 200 | -1 239 5 269 10 779 | ±62 | - 177~-1 301 5 207~5 331 10 717~10 841 | ±123 | -1 116~-1 362 5 146~5 392 10 656~10 902 | ||
| T | TX | G | -25 100 | -940 4 279 | ±30 | -910~-970 4 249~4 309 | ±60 | -850~-1 4 189~4 339 |
| H | -25 100 200 | -940 4 279 9 288 | ±48 | -892~-988 4231~4 327 9 240~ | ±90 | -850~-1 030 4 189~4 369 9 198~9 378 | ||
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