Spectral Radiance Luminance Standards Comparison

OL 426-S OL 426-SA OL 440-8-OH OL 455-S* OL 455-SA* OL 458-4 OL 480

Controller

OL 400-CS OL 400-CS OL 730E & 46D OL 400-CS OL 400-CS Integrated OL 480

Sphere Sizes

6″, 8″, 12″, 18″ 6″, 8″, 12″, 18″ 8″ 6″, 8″, 12″, 18″ 6″, 8″, 12″, 18″ 4″ Not Applicable

Exit Port Sizes

1.5″, 2″, 3″, 6″ 1.5″, 2″, 3″, 6″ 2″ 1.5″, 2″, 3″, 6″ 1.5″, 2″, 3″, 6″ 1″ 1″

Light Source

Quartz Tungsten Halogen Quartz Tungsten Halogen Deuterium Quartz Tungsten Halogen Quartz Tungsten Halogen LED-Based Silicon Carbide

Calibration Units

cd/m², fL, K, W/(sr*cm²*nm) cd/m², fL, K, W/(sr*cm²*nm) W/(sr*cm²*nm) cd/m², fL, K, W/(sr*cm²*nm) cd/m², fL, K, W/(sr*cm²*nm) cd/m², fL, K, W/(sr*cm²*nm) °C

Variable Aperture

Micrometer Controlled Automated Precision Motor Controlled Micrometer Controlled Micrometer Controlled Automated Precision Motor Controlled Fixed Aperture Manual
8-Position Aperture

Calibration Options

Luminance, Color Temperature, Spectral Radiance Luminance, Color Temperature, Spectral Radiance Spectral Radiance Luminance, Color Temperature, Spectral Radiance Luminance, Color Temperature, Spectral Radiance Luminance, Color Temperature, Spectral Radiance Blackbody Temperature

*Elongated sphere design available for 6″ and 8″ spheres