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
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% |
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