INFRARED ANALYZER FOR DETERMINATION OF GUALITY OF GRAIN AND OF PRODUCTS OF ITS PROCESSING Russian patent published in 1995 - IPC

FIELD: instrumentation. SUBSTANCE: optical circuit of analyzer presents single-ray spectrophotometer with concave diffraction grating. It is fitted with mirror mounted at angle of 45 deg to optical axis between monochromator and spherical hollow chamber. Mirror, chamber standard unit and window with holder of investigated are integrated into one unit put on monochromator for rotation about coinciding with its optical axis. Spherical chamber has cover with guides in which window for sample is made. Holder of investigated sample moves in this guides. EFFECT: simplified design, expanded application field. 2 cl, 2 dwg