What are the testing standards for a 10,000-grade clean room?
1. Standards for 10,000-grade clean rooms (defined by the number of dust particles and microorganisms):
1. Permissible number of dust particles (per cubic meter): the number of particles greater than or equal to 0.5 micron shall not exceed 350,000; the number of particles greater than or equal to 5 micron shall not exceed 2000.
2. Permissible number of microorganisms: the number of planktonic bacteria should not exceed 100 per cubic meter; the number of sedimentary bacteria should not exceed 3 per Petri dish.
The main test standards of the 10,000-grade clean room include:
1. Detection of airflow velocity and its uniformity. This test is the premise of other tests for the effect of a dustless chamber. The purpose of this test is to determine the average air flow rate and its uniformity in the working area of a one-way flow dustless chamber.
2. Air flow measurement in system or room.
3. Detection of indoor cleanliness. The purpose of cleanliness detection is to determine the level of air cleanliness that can be achieved in a clean environment. Particle counter can be used to detect the cleanliness.
4. Detection of self-purification time. By determining the self-purification time, the ability to restore the original cleanliness of the clean room when pollution occurs inside the clean room is ascertained.
5. Detection of airflow pattern.
6. Noise detection.
7. Detection of illumination. The purpose of illumination detection is to determine the illumination level and uniformity of the cleanroom.
8. Vibration detection. The purpose of vibration detection is to determine the vibration amplitude of the dust-free chamber.
9. Detection of temperature and humidity. The purpose of temperature and humidity detection is to adjust the ability of temperature and humidity to a certain limit. Its contents include detecting the air supply temperature of the dust-free room, detecting the air temperature of representative measuring points, detecting the air temperature of the central point of the dust-free room, detecting the air degree of sensitive elements, detecting the relative temperature of indoor air, and detecting the return air temperature.
10. Detection of total air volume and fresh air volume.
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