GB/T 39990-2021 Translated English of Chinese Standard (GBT39990-2021): Particulate -- Bioaerosol sampler -- Technical specificationwww.ChineseStandard.net, 2021 M06 30 - 19 pages This Standard specifies the classification, composition, working conditions, technical requirements, test conditions, test methods, inspection regulations, marking, packaging, transportation and storage of bioaerosol sampler. This Standard is applicable to development, production and inspection of bioaerosol sampler. |
Common terms and phrases
8.2 Exit-factory Inspection 9.4 Storage accordance with Formula accordance with Table aerosol laboratory shelter aerosol particles air inlet Air-tightness of Gas average value bioaerosol sampler biological particles collected calculate certified standard substance concentration of aerosol condition sampling volume determined as disqualified document exceed expressed in L/min filter membrane filter membrane-type sampler flow control unit fluorescence concentration gas circuit gas flow control greater than 85 inspection items fails less than 70 measured value medium and runs microorganisms microspheres natural sedimentation samplers number of biological particle size range Qingdao rate of microbial record and storage reference standard sampler relative humidity relative survival efficiency repeatability of airflow sampler or AGI-30 sampling airflow ratio sampling efficiency sampling information record sampling medium carriers sampling ports sampling process sampling unit specified date spectrophotometer Stability of Airflow standard flowmeter stopwatch storage unit survival rate Technology three-way valve total number Transportation and Storage vacuum manometer