The Solar Light SnP-meter™ Model SL-3101 is a portable and innovative meter. It measures spectral response following the CIE scotopic and photopic action spectrum with on board calculations: S/P ratio. Visually effective light level. Perceived brightness. This meter is used by lighting design professionals, researchers, lamp and ballast manufacturers, and energy management consultants.
Photopic Detector Specifications:
Scotopic Detector Specifications