FIELD: medicine.
SUBSTANCE: invention relates to medicine, sanitation, labour protection and is intended for physiologo-hygienic estimation of efficiency of respiratory protective device in natural conditions of labour activity in case of dust pollution of environment. Samples are taken by means of filter individual sampler. Air-inlet of one of samplers is placed inside respiratory protective device for people, of another sampler - outside. Filters of samplers with deposited on them dust are subjected to analysis. Coefficient of dust penetration K is determined. In process of investigation minute volume of respiration and heart rate are continuously registered. Conventional efficiency of said respiratory protective device is calculated by mathematical formula with application of measured parameters.
EFFECT: invention makes it possible to carry out accurate estimation of efficiency of using said respiratory protective device, can be used in their elaboration, as well as for elaboration of labour regimens, optimising load on cardiorespiratory system in conditions of dustiness.
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