the reading on a colorimeter, abit obvious :S

What is technical difference between colorimeter and turbiditymeter

Photoelectric colorimeter is a medical term. Essentially, it is referring to a colorimeter using a photoelectric cell and appropriate filters instead of the eye.

A Colorimeter can measure the absorbency of light waves. The Colorimeter has a set of changeable filters that can show which color of light to examine for greatest accuracy.

A colorimeter is used to measure the intensity of color. The colorimeter would detect an intensity of a blue green color. When alcohol that is present increases.