ASTM E 1213 - 97 (Reapproved 2009) Standard Test Method for Minimum Resolvable Temperature Difference for Thermal Imaging Systems

American Society for Testing and Materials (ASTM). Current edition approved March 1, 2009. Published March 2009. Originally approved in 1987. Last previous edition approved in 2002 as E 1213 – 97 (2002). 1 p. This test method covers the determination of the minimum resolvable temperature difference (MRTD) capability of the compound observer-thermal imaging system as a function of spatial frequency.