熱電偶的冷端補償方法探討

苗志全 張波
華北科技學院,河北燕郊101601
摘　要:熱電偶的冷端在生產(chǎn)實際中大都采用冷端補償法來解決。與熱電偶配合使用的溫度指示儀表大都帶有冷端補償系統(tǒng)，為了更準確地對這些儀表進行計量檢測，我們采用各種方法來消除補償導線引起的誤差，從而可以對高準確度的熱電偶測溫儀表進行計量。我們也可以對冷端補償進行單獨的計量，這樣通過分別對直流電壓測量準確度和冷端補償?shù)臏蚀_度的計量，就可以更加準確地評定多功能、智能化的測溫儀表的準確度。[著者文摘]

Thermocouple Cold End of the Method of CompensationMIAO Zhi-quan, ZHANG BoMIAO Zhi-quan, ZHANG BoAbstract:Thermocouple in the production of cold-in the most practical use of cold-compensation method to solve, and thermocouple temperature with the use of the most direct instrument with cold-compensation system, in order to more accurate measurement of these instruments for testing, we use the Ways to eliminate compensation wire caused the error and thus the high degree of accuracy in measuring thermocouple Thermometer. We can also compensate for the cold end of a separate measure, adopted respectively on such DC voltage measurement accuracy and cold-compensation accuracy of the measurement, we can more accurately inform the multi-functional, intelligent Thermometer accuracy.[著者文摘]

Key words:thermocouple; cold-compensation; discussion