便攜式浮游細菌采樣器
工作原理:
用抽氣(qi)(qi)泵使(shi)空氣(qi)(qi)進入氣(qi)(qi)體(ti)噴(pen)射器(qi),并通過(guo)狹縫噴(pen)射在培(pei)(pei)養(yang)皿中(zhong)(zhong)(zhong)的培(pei)(pei)養(yang)基(ji)上。用驅動電(dian)機通過(guo)轉盤旋轉培(pei)(pei)養(yang)皿,讓空氣(qi)(qi)中(zhong)(zhong)(zhong)的細(xi)菌均勻分(fen)布(bu)在培(pei)(pei)養(yang)皿中(zhong)(zhong)(zhong)的培(pei)(pei)養(yang)基(ji)上。在適當的溫(wen)度和濕度條件下讓細(xi)菌大量繁殖。根據培(pei)(pei)養(yang)皿中(zhong)(zhong)(zhong)培(pei)(pei)養(yang)出來(lai)的菌落數(shu)和氣(qi)(qi)流量可(ke)以計算出空氣(qi)(qi)中(zhong)(zhong)(zhong)的細(xi)菌濃度。
用(yong)來檢測環境中(zhong)微(wei)生(sheng)物含量的(de)儀器,常見食品廠、藥的(de)潔(jie)凈環境使用(yong),通過一個(ge)采(cai)(cai)樣泵將空氣(qi)(qi)以一定的(de)流速(su)吸入,拍打(da)在安(an)裝好的(de)培養基(ji)上,通常進口采(cai)(cai)樣器出氣(qi)(qi)口都安(an)裝高效過濾器防止污染環境,采(cai)(cai)樣結束后(hou)通過計算培養基(ji)上微(wei)生(sheng)物的(de)量來得(de)出空氣(qi)(qi)中(zhong)含浮游菌量的(de)判(pan)斷
便攜式浮游細菌采樣器技術要求
(1)聚創環保提(ti)醒(xing)您流量不(bu)確定度(du)越小越好;
(2)定(ding)時不確定(ding)度(du)越(yue)小越(yue)好;
(3)狹縫寬度的不確(que)定(ding)度越小越好;