Quick Answer: The Primary Colour Kit is an additive colour mixing module with red, green and blue LED light sources. Each colour channel has its own intensity potentiometer, and the mixed light falls on a matte white diffusion screen.
Last updated: October 2026
Key Features
Red, green and blue LED array for additive colour mixing
Independent intensity potentiometer for each RGB channel
Chromatic filters in the optical path
Matte neutral-white diffusion screen for viewing the mixed colours
6V DC power input, battery compatible
Technical Specifications
Specification
Value
Type
Additive colour mixing module
Light source
LED array: red, green, blue
Controls
Independent intensity potentiometers for RGB channels
Filters
Chromatic filters
Screen
Matte neutral-white diffusion screen
Power input
6V DC, battery compatible
About This Product
Students overlap the red, green and blue light on the screen to see how the primary colours of light combine. Turning one channel down at a time shows how the intensity of each primary changes the mixed colour. Educational Instrument can dispatch the Primary Colour Kit to laboratories in Albania, Comoros, Egypt, Ecuador and Tanzania.
Frequently Asked Questions
Can the brightness of each colour be changed on the Primary Colour Kit?
Yes. Each of the red, green and blue channels has its own intensity potentiometer.