Tektronix J6523
Luminance Probe
Description
The Tektronix J6523 is a Luminance Probe that will measure the luminance in footlamberts of a spot as small as 0.32 inches in diameter. The 1° angle represents 0.21 inches per foot of distance from the probe to the source. At 10 feet, the J6523 measures a 2.1-inch diameter spot. The typical applications are measuring highway lighting, television displays and photographic equipment.
