FIELD: measurement technology.
SUBSTANCE: invention relates to the field of measurement technology and concerns a device for detecting biopathogens in the air. The device contains an air preparation unit, a concentrator, an optical camera and radiation source directed at the airflow inside the optical chamber to excite particles in the air stream to create fluorescence radiation and particle-scattered radiation. There is a separator at the output of the optical camera, at the first output of which the first measuring device for measuring fluorescence radiation is located. There is a second measuring device for measuring radiation scattered by particles at the second output of the divider. A thermostabilizing element of the air flow is introduced into the device between the concentrator and the optical chamber. Before the heat-stabilizing element a cooling unit of the radiation source is introduced, which uses the air flow output from the concentrator to remove heat from the radiation source.
EFFECT: increased accuracy of determining the presence of biopathogens in the air and operating temperature range.
1 cl, 1dwg
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Authors
Dates
2021-10-12—Published
2021-05-28—Filed