FIELD: measurement equipment.
SUBSTANCE: device to measure quantity of forcedly deposited aerosol particles in a flow braking point comprises an aerosol sampler, an accelerating channel, at the outlet of which in a measurement chamber there is a sensor with working surface, connected to an information processing unit, and the measurement chamber is connected to an air sampler. At the same time the measurement chamber is equipped with a plank for particle flow braking, and the sensor is equipped with a concentrator made in the form of a conical hole in the plank, arranged perpendicularly to the flow, and is made of a semiconductor that varies its resistive properties proportionately to the quantity of the deposited aerosol.
EFFECT: increased accuracy of measurements of aerosol concentration in real-time mode.
2 cl, 1 dwg
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