MRC:
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.SUPP
Supplementary Features:
Item to be used with pre-calibrated plug in heads that measure illuminance, irradiance, luminance, radiance; use p/n j1803 luminance head, p/n j1805 led head, p/n j1806 radiance/radiantintensity head, p/n j1823/j1823 opt. 01 luminance heads, p/n j1810 color head, p/n j1811 illuminance head cosine corrected or p/n j1812 irradiance head; the photometer is powered by a 9 volt battery
