Liquid Absorbance Standard for Ultraviolet and Visible Spectrophotometry

Infrared Specular High Reflectance Standard (Nominal Diameter 25 mm)

SRM 1929 1 option

disk

Metal-on-Fused-Silica Neutral Density Filters (250 nm to 635 nm)

SRM 2031c 1 option

set (3)

Holmium Oxide Solution Wavelength Standard (240 nm to 650 nm)

SRM 2034 1 option

cuvette

Ultraviolet-Visible-Near-Infrared Wavelength/ Wavenumber Transmission Standard

SRM 2035b 1 option

each

Microcopy Resolution Test Charts

SRM 1010a 1 option

set (5)

Infrared Transmission Wavelength/ Wavenumber Standard

SRM 1921b 1 option

1 card

Infrared Specular High Reflectance Standard (Nominal Diameter 51 mm)

SRM 1928 1 option

disk