分度号为LB-3热电偶的冷端温度为20℃,现测得热电势为5.314mV,求热端温度是()℃?(注:E(10,0)=0.050mV,E(20,0)=0.113mV,E(30,0)=0.173mV,E(600,0)=5.222mV,E(610,0)=5.324mV,E(620,0)=5.427mV,E(630,0)=5.530mV)
分度号为LB-3热电偶的冷端温度为20℃,现测得热电势为5.314mV,求热端温度是()℃?(注:E(10,0)=0.050mV,E(20,0)=0.113mV,E(30,0)=0.173mV,E(600,0)=5.222mV,E(610,0)=5.324mV,E(620,0)=5.427mV,E(630,0)=5.530mV)
正确答案:620