Colorimeter apparatus and related process

Details Colorimeter apparatus and related process Colorimeter apparatus and related process

G - Physics

01

N

G01N 21/27 (2006.01) G01J 3/46 (2006.01) G01J 3/50 (2006.01) G01N 21/25 (2006.01) G01N 21/82 (2006.01)

Patent

CA 2293921

The disclosure of this invention relates to colorimeters and a process for operating a colorimeter. The colorimeter of the disclosure is controlled by a microprocessor which evaluates a predetermined radiation absorption curve for each sample. This is to be contrasted with the prior art wherein the test on a given sample evaluates only radiation absorption concentration points which are evaluated by the microprocessor. The colorimeter gives more accurate readings as a result of the fact that an absorption curve and its parameters are evaluated for each sample. The colorimeter uses multiple LEDs as a radiation source. The microprocessor further controls other functions of the colorimeter. A separate microprocessor may be used to control these other functions. The colorimeter and process of this invention are also useful in the analysis of samples for turbidity.

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