= International Temperature Scale of 1990
{c}
{title2=$T_{90}$}
= ITS-90
{c}
{synonym}
The <International Temperature Scale of 1990> is a practical scale for reproducible <temperature> measurements. Its assigned reference points and interpolation procedures approximate <thermodynamic temperature>. A calibrated <standard platinum resistance thermometer> transfers this scale over specified intervals; it does not define the modern <kelvin>.<The International System of Units (SI), ninth edition, SI Brochure>[§2.3.1: practical temperature scales, ITS-90, and thermodynamic temperature]{ref}
Back to article page