FIELD: physics.
SUBSTANCE: colorimeter has, in a housing, a driving generator, n diodes, n measuring photodetectors which are optically connected to the diodes, a photoelectric signal processing unit, the output of which is connected to a recording unit, a cuvette connected to a funnel and a tap for blocking and allowing flow of the measured liquid into the cuvette, a switch for switching radiation to one of the optocouples. The cuvette is made from quartz glass in form of a cylinder which consists of two identical hollow half-cylinders which are attached on two sides to a flat mirror with two reflecting surfaces.
EFFECT: high sensitivity and simple design.
2 dwg
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