FIELD: measurement technology. SUBSTANCE: spectrophotometer has pulsed light source, operating and reference optical channels, spectral unit, image-converter tube with sweep, and device for reading the signal from screen of image-converter tube based on transmitting TV tube. Circuit of repeated-sequential processing of signal is connected between TV tube and computer. This circuit includes analog signal selection and storage circuit, analog-to-digital converter, line separation unit, and analog-to-digital converter strobing unit. EFFECT: higher measurement results. 1 dwg
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