The Chameleon Series is designed to measure the absolute spectral  of power, of the light under test. Adding optical probes and absolute calibration turns this type of measurement system into a spectroradiometer.

Measurement of  Luminous Intensity 
Measurement of Luminous Flux for High Power LED
Measurement of Luminous Flux for Lighting

The Chameleon software package is a complete solution for LED colour analysis and offers measurements according to the CIE standards Using the  Chameleon software is very easy; its functions are clearly structured in four main steps: