Metrology for humidity at high temperatures and transient conditions M Heinonen, L Cavallarin, M Dell’Isola, V Ebert, V Fernicola, E Georgin, D Hudoklin, J Nielsen, P F Østergaard, A Peruzzi et al. (3 more) Published online: 21 September 2015 DOI: 10.1051/metrology/20150015015