Nowadays, the state attaches great importance to the safety of medicines and foods. People are also concerned about the safety. Beta as professional lab furniture factory also want to share more information help you know lab level. Laboratory purification experts say that from the perspective of controlling microorganisms, the safety is extremely high, in line with laboratory purification. The required biological laboratory can be divided into 4 grades. Technical indicators of four grade laboratories:

There is no requirement for first-class cleanliness, no minimum number of air exchanges is required, window can be opened, and there is no requirement for minimum negative pressure difference between adjacent outdoor rooms. Temperature is 18~28°C, relative humidity is ≤78%, noise is ≤60dB, minimum illumination 200;

There is no requirement for secondary-class cleanliness, no minimum number of air exchanges is required, window can be opened, and there is no requirement for minimum negative pressure difference between adjacent outdoor rooms. The temperature is 18~27°C, the relative humidity is 30~60%, the noise is ≤60dB, the lowest. Illuminance 300;

The third-class cleanliness is 7 or 8, the minimum air exchange frequency is 15 or 12, and the minimum negative pressure difference is -10 with the adjacent outdoor room, the temperature is 18~25°C, the relative humidity is 30~60%, the noise is ≤60dB, and the minimum illumination is 350. ;

The forth-class cleanliness is 7 or 8, minimum air exchange 15 or 12, minimum negative pressure difference -10 with adjacent outdoor room, temperature 18~24 °C, relative humidity 30~60%, noise ≤60dB, minimum illumination 350 .

The above four are the classification of laboratory purification grades.

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