20m ³ purifier test chamber

forUsed to evaluate the effect of products with antibacterial and sterilization functions on airborne microorganisms(bacteria)The bactericidal and antibacterial efficacy.

reference standard:

GB/T 18801-2022Air Purifier

GB/T 18883-2022Indoor Air Quality StandardsQB/T5217-2018Medical Environmental Air Purifier

GB/T 38504-2020Evaluation Method of spray Disinfection EffectWS/T 648-2019General Hygiene Requirements for Air Disinfection Machines

GBT39990-2021Technical conditions for particle bioaerosol samplers

test project:microorganism(bacteria)Evaluation of Antibacterial and Antibacterial Efficacy

Cabin control system: The experimental chamber adopts Siemens12Inch touch screen control,The system is easy to operate. Integrated with various functions such as air intake and exhaust, sockets, fans, lighting, sterilization, temperature and humidity regulation, pressure control, and air purification,Comprehensive intelligent centralized control.

Main technical parameters

Size and Capacity: 2.85mX3.0mX2.4m,volume20m±0.5%

Cabin structure: Stainless steel square tube frame,The wall is made of stainless steel plate or float explosion-proof glass

Temperature control: 15~40℃,Maximum allowable error±1℃

Relative humidity control: 30%~80% RH,Maximum allowable error4%RH

Air tightness performance: airtightness:(1)pressure holding>2habove,The average hourly leakage rate should be less than0.5%When judged as qualified;(2)Using particle counting method,0.3μm/min≤800a/L

Disinfection and purification: Top UV lamp(2group30W),intensity≥450μW/c㎡(or≥450mW/m);Both intake and exhaust ducts are equipped withHEPA/ULPAHigh Efficiency Filter,filtration efficiency>99.999%

Other configurations: door(1a)Sampling port(4group)Transfer window(1a), glove hole(2a,Φ14cm),socket(inside the cabin4set/USBTheRS232each1set)

Lighting: ≥ 10001x(1groupLEDClean lamp)

Mixing fan: Fan blade diameter1.5rice, threeLeaf stainless steel

Circulating fan: air volume500㎡/h,diameter0.2m,Installation position off the ground1.5m,Away from the back wall0.4m

Target pollutants: chemical pollutants and biological pollutants

Background concentration: particulate matter0.3μm<800a/㎡;formaldehyde≤0.02mg/m,TV0C≤0.1mg/m,toluene≤0.05mg/m3

Security protection: Abnormal protection, overload protection, undervoltage and overpressure protection, and cabin negative pressure protection for temperature and humidity control units