FIELD: investigating or analyzing materials.
SUBSTANCE: device comprises collimating-detecting system that is made controllable in height with respect to the source of Roentgen radiation. The system and source are adjustable in longitudinal and transverse directions. The collimating-detecting system is provided with single collimator and detector. The collimator has conically diverging circular slot, which reproduce a given angle of the light path of diffusion radiation.
EFFECT: increased rate of detecting.
cl, dwg
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