FIELD: measurement technology. SUBSTANCE: given device can be used to expose and determine conditions under which ice is formed on aircraft. Device includes measurement element incorporating measurement zone meant for reception of particles subject to measurement, means illuminating measurement zone with the aid of single light beam, means photographing image including at least single photographic camera to record one image of measurement zone as minimum and processing facilities determining values of parameters on basis of image recorded by photographic camera. Illuminating means form point illumination by means of light beam, light beams are focused in optical system of lens of photographic camera. EFFECT: capability to measure sizes of particles, their concentrations, to differentiate particles and to measure speeds of their motion. 21 cl, 8 dwg
