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A method for the operational monitoring of the spatial distributions of the structural-morphological parameters (SMPs) of the mucosa of internal organs is developed. This is important for early diagnosis of oncological illnesses. The method is based on obtaining endoscopic images of tissue in diffusely reflected light with wavelengths 450, 480, 577, 600,660, and 700 nm and processing the pixels of the images obtained using the stable regressions between the relative spectral characteristics of the images and the tissue parameters.

An analysis is made of sources of methodological error encountered in the design of differential manometers and in operational monitoring of the discharge of materials and energy carriers. It is shown that these sources of error can be eliminated.

The reliability in operational checks can be improved by proper organization of twostage monitoring, in which operational monitoring is performed in the first stage, with more accurate but less rapid and more laborious checking in the second one [i]. Also, in the second stage one can check not only those parameters that are monitored in the first stage but also the intermediate ones governing them.