Reference junction compensation accuracy: K, E, J, T, N, Platinel lI ………. ±0.5oC or less R, S, NiMo-Ni, CR-AuFe, W-WRe26, WRe5-WRe26 U, L …………………………… ±1.0oC or less (The above errors are added to the accuracy ratings for internal reference junction compensation.)