Luminance & Illuminance Measurements

Product Name : Luminance & Illuminance Measurements

Description :

When analysing light sources one often wants to measure the luminance or illuminance of the source. Luminance is often referred to as brightness and expressed in candela per square meter whereas illuminance is the amount of light from a surface expressed in lux or lumen per square meter. The third covered unit which can be measured is luminous intensity [candela].
Specification

To measure luminance, illuminance or luminous intensity a different measurement setup is needed:

Lighting Lens system Cosine corrector 
Luminance [cd/m2] X  
Illuminance [lux]   X
Luminous intensity [cd]   X

Selection Guide

Lighting Rhea  Hera  Cronus Asteria
Spectral colour analysis X X X  
Dominant & peak wavelength X X X  
Luminance & illuminance X X X X
Luminous intensity Cosine corrector Cosine corrector Cosine corrector Cosine corrector
Flicker     X X
Low luminance X      
Model Description Price (USD)
Q'ty
Rhea Series High End Spectrometer
Hera-Lens Compact High End Spectrometer for Display Measurement
Hera-CC Compact High End Spectrometer for Lighting Measurement
Cronus-Lens Spectrometer & Colorimeter In One for Display Measurement
Cronus-CC Spectrometer & Colorimeter In One for Lighting Measurement
Cronus-B Spectrometer & Colorimeter In One for Light Bulb Measurement
Asteria Series Compact & Fast Industrial Light Meter