Micro Sampling Chamber

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Micro sampling chamber can provide a standard test environment in temperature, cleanliness, relative humidity and air exchange rate for testing the VOC/SVOC, moisture of various materials and products.

Reference Standards

ISO 12219-3. Road Vehicle Indoor Vehicle Part 3: Screening Method for Determination of Volatile Organic Compound Emissions in Car Body and Components. Part 2: Micro-chamber method
ISO 12219-4. Road vehicles indoor cars. L. Part 4: Determination of volatile organic pollutant emissions by compounds of vehicle trimming components. Little room method
ISO 16000-25. Determination of volatile organic compound emissions for construction products. Miniature chamber test method

Specifications

Items	Requirements
Ambient temperature	20-30℃ (fluctation±1℃, deviation ±2℃)
Ambient humidity	≤85%RH
Environmental cleanliness requirements	No source of pollution in the surrounding environment, TVOC≤500ug/m³
Chamber volume	Φ82*133=630ml, bottom hemispherical chamber
Number of liners	Multiple; Top feeding, balancing pressure, bottom sampling
Pressure	Micro positive pressure
Air exchange rate	0.2-2 times/min adjustable
Temperature	60 ~ 250 ° C (adjustable)
Sealing	1KPa relative pressure, leakage rate < 1 ‰
Background concentration	Formaldehyde concentration inside the chamber < 6ug/m³, background concentration of TVOC ≤20ug/m³, single VOC concentration ≤2ug/m³
Recovery	Toluene, dodecane, SVOC ≥80%