FIELD: instrumentation.
SUBSTANCE: invention is intended for determination of components of fluid non-uniform substance in middle infrared range. The attenuation measurement system contains a flowing tube (4), a transmission device (10) for creation of flow of sample through the tube (4), an attenuation measurement device (14) for middle infrared range and the calculation device (18), while the attenuation measurement device (14) functions with time synchronization with the transmission device (10), and the calculation device (18) is provided with the predicting model.
EFFECT: invention provides improvement of repeatability with keeping of accuracy.
2 cl, 1 dwg, 2 tbl
