This colorimeter can be used in Physics class. The measures I've made with this colorimeter show results close to those made by a professionnal (an very expensive!) spectrophotometer.

The video below shows the different steps to assembly the testbed.

https://www.youtube.com/watch?v=2S0UAL3EExs

Don't forget to subscribe to my channel!

The link below is the website where you'll find my class notes (in french). Enjoy!

https://sites.google.com/view/domstoolbox/