DEVICE FOR BIOLOGICAL AEROSOL SAMPLING Russian patent published in 1997 - IPC

FIELD: examination and analysis of materials. SUBSTANCE: device has sampler with filter holder, electroaspirator with motor, device operation control facility, sampling facility in the form of Petri dish with culture medium and with metal fine-mesh net positioned in it and with pipe union mounted in net center. Sampler has also membrane filter positioned on culture medium surface, airtight cover with nozzle holes and with spring-loaded lock for mounting the petri dish under cover. Filter holder is fitted with adapter and hose coupled to pipe union. Device operation control facility is made as remote electronic module which uses semiconductor elements and has measuring unit including the motor revolution counter, measurement normalizing unit, air volume reader, indicator, control unit of electroaspirator motor, air temperature measuring unit, control panel, and power supply source. EFFECT: more effective sampling. 8 dwg