Ihe nchọta ihe nzacha nje bacterial filtration efficiency (BFE).

Ihe ngosi arụmọrụ bụ isi nke DRK-1000 mask Bacterial Filtration Efficiency (BFE) detector abụghị naanị izute ihe achọrọ nke APPENDIX B Bacterial Filtration Efficiency (BFE) Test Method b.1.1.1 na Nka na ụzụ chọrọ maka Masks ịwa ahụ Medical yy0469-2011, yana kwa. n'ikwekọ na ihe ndị American Society for Testing Materials ASTMF2100, ASTMF2101, European EN14683 ụkpụrụ, na na ndabere nke a, ọhụrụ mmelite, ojiji nke abụọ gas ụzọ n'otu oge iche iche sample usoro, melite izi ezi nke sampling. Ọ dabara maka ule arụmọrụ nke nzacha nje bacteria nke masks site na ngalaba nkwenye metrological, ụlọ ọrụ nyocha sayensị, ndị na-emepụta ihe mkpuchi na ngalaba ndị ọzọ dị mkpa.

Njirimara ngwaahịa:

1, Usoro ule nrụgide na-adịghị mma, iji hụ na nchekwa nke ndị na-arụ ọrụ;

2, Kabinet nrụgide na-adịghị mma nke arụnyere na mgbapụta peristaltic, A, B ụzọ abụọ ọkwa isii Andersen; Enwere ike ịtọ nha nke mgbapụta peristaltic;

3, Pụrụ iche microbial aerosol generator bacteria abalị ịgba eruba size nwere ike ịtọ, ezi atomization mmetụta;

4, agbakwunyere elu ọsọ ụlọ ọrụ microcomputer akara; 10.4 “ihuenyo ihuenyo mmetụ dị elu nke ụlọ ọrụ;

5, USB interface, nkwado U disk data nyefe;

6, Cabinet wuru na-enwu ọkụ dị elu; Mgba ọkụ nchebe mgbapu arụrụ arụ, iji chekwaa nchekwa onye ọrụ;

7. A na-eji igwe anaghị agba nchara nchara n'ime ime ụlọ ahụ, a na-efesa akwa oyi akwa oyi akwa plastik oyi. N'ígwé dị n'ime na nke mpụta bụ mkpuchi ma na-egbochi ire ọkụ.

8, n'ihu mgba ọkụ ụdị iko ụzọ, mfe na-edebe ọrụ nke laabu pesonel;

9, Mwepu mbughari, nkwado elu nwere ike idozi; Kwado ma bugharịa ihe nkedo abụọ.