铂铑10-铂热电偶,即S型查分度号表,有Es(1400,0)=14.368mV;Es(1400,90)=13.795mV用铜线接向仪表,若相接处的温度为90℃,E(铂铑10-铜(100,0)=-0.116mV)实际测量结果为:13.795-0.116=13.679mV查表:13.679mV对应1343.1℃,测温误差为:1343.1-1400=-56.9℃