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GL192 - A technical guide to setting up and using the CLEAPSS colorimeter
This document contains:

An outline of colorimetry

The principles of the CLEAPSS colorimeter

Using a CLEAPSS colorimeter which has been set up

Setting up the CLEAPSS colorimeterproducing a calibration curve for a given pair of LEDs

Selecting the best LED combination

Some suggested practical applications for the CLEAPSS colorimeter