Monitoring of the air disinfection effect of the medical dynamic air disinfection machine: ①, sampling time → Close the doors and windows of the disinfection room, and take samples after the disinfection machine performs air disinfection. ②. Settlement method → u200bu200bSampling height: 0.8 meters above the ground. When sampling, open the lid of the plate and buckle it upside down next to the plate. Exposure time of the plate: 15 minutes. Finally, cover the plate and send it for inspection in time. ③. Method of arranging points → If the area of u200bu200bthe disinfected room is less than or equal to 30 square meters, set three points on the diagonal (inside, middle and outside), and the point (inside, outside) should be 1 meter away from the wall. The area of u200bu200bthe disinfection room is more than 30 square meters, and there are five sampling points in the four corners and the center. The sampling points arranged in the four corners should be 1 meter away from the wall. ④, result determination → After disinfection by the medical dynamic air disinfection machine, the total number of bacterial colonies in the air ≤4 CFU/(15 minutes, 9cm diameter plate) is qualified for disinfection. (Evaluate the disinfection effect of dynamic air sterilizer
-medical dynamic air disinfection machine, you can also take samples before and after air disinfection, and compare the extinction rate of natural bacteria in the air before and after disinfection%) ⑤, air disinfection effect monitoring Precautions → Close the doors and windows of the disinfection room before sampling. When no one is moving, the sampling will be performed at a standstill for 10 minutes. The sampling height and method of sampling before and after air disinfection are exactly the same, and the disinfection time is 2-3h. The applicable area meets the requirements of the 'Instruction for Use' of the medical dynamic air disinfection machine.
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