Microbial aerosol test chamber

The aerosol test chamber must meet the technical requirements of QB/T 5364-2019, including airtightness: the air exchange rate of the test chamber should not exceed 0.05 h-1, the mixing degree of the test chamber should not be less than 80%, the number of particles above 0.3 μ m should not exceed 1000/L, and the background values: formaldehyde should not exceed 0.05mg/m ³, TVOC should not exceed 0.3mg/m ³, and toluene should not exceed 0.1 mg/m3.

Aerosol test chamber, with dimensions of3.5m×3.4m×2.5mVolume deviation ±2%Within, dimensional deviation ±5mmWithin, frameworkadopt304and abovestainless steel,The four sides of the indoor wall are designed with a thickness of10mmThe above float glass is fixed on the frame, and the top plate and floor are made of a thickness not less than2.0mmMirror stainless steel plate,seal up.

The installation of sampling interfaces in the aerosol test chamber shall not be less than6One, the valve adopts304Stainless steel ball valves with internal and external interfaces shall be connected to sampling tubes or aerosol generator tubes using quick interfaces. The installation of glove holes in the aerosol test chamber shall not be less than2The glove material is silicone rubber or better, with a length of600mmThe above.

The installation of transfer windows in the aerosol test chamber shall not be less than1One, the material is304Made of stainless steel or above,The visual window adoptsordinaryglassThe thickness of ordinary glass shall not be less than8mmThe inner and outer surfaces as well as the frame of the transmission window are both304Stainless steel cold-rolled sheets of equal or greater thickness, with a minimum thickness of1.5mmThe surface should be polished, and the surface smoothness should not be lower thanRA1.2External dimensions: Width ≥400High ≥400Depth ≥250mmBuilt in UV sterilization lamp not less than1Zhan.5The aerosol test chamber shall be equipped with at least ultraviolet lamps2 cupsandLighting LED lightsno less than2 cups.

The bottom frame of the aerosol test chamber shall be equipped with no less than4Five hole socket（2a10A，2a16A）It can be powered on and off through touch screen control. Equipped with no less than1aUSBAnd not less than1More than one gigabit Ethernet port.

Aerosol test chamberinsideequipped withsample stageno less than1a：Material is304and aboveThe stainless steel size is:Length ≥700mmWidth ≥700mmHigh ≥750mm sample stage, with dual tracks that can move forward and backward electrically.