1American Society for Testing & Materials Standards 1.1 Test VOCs release a. ASTM D 5116-97 "Standard Guide for the Determination of Organic Release in Indoor Materials and Products by Small-scale Environmental Chambers" b. ASTM D 6330-98 "Standard operation for the determination of VOCs (except formaldehyde) in wooden panels under specified test conditions in a small environmental chamber" c. ASTM D 6670-01 "Standard Practice for the Determination of VOCs Released in Indoor Materials and Products by Full-scale Environmental Chambers" d. ANSI/BIFMA M7.1-2011 standard test method for VOC release rate in office furniture systems, components and seats 1.2 Test formaldehyde release a. ASTM E 1333—96 "Standard Test Method for Determination of Formaldehyde Concentration and Release Rate in Gas Released from Wood Products in Large Environmental Chambers" b. ASTM D 6007-02 "Standard Test Method for the Determination of the Concentration of Formaldehyde in the Gas Released from Wood Products in a Small-scale Environmental Chamber" 2 European standards a. EN 13419-1 "Construction Products—Determination of VOCs Release Part 1: Release Test Environment Chamber Method" b. Test formaldehyde emission EN 717-1 "Environmental Chamber Method for Measuring Formaldehyde Emission from Artificial Panels" C. BS EN ISO 10580-2012 "Elastic fabrics and laminate floor coverings. Volatile organic compound (VOC) release test method"; 3. Japanese standard a. JIS A1901-2009 "Determination of Volatile Organic Compounds and Aldehyde Emissions in Building Materials---Small Climate Chamber Method"; b. JIS A1912-2008 "Determination of Volatile Organic Compounds and Aldehyde Emissions in Building Materials---Large Climate Chamber Method"; 4. Chinese standards a. "Testing methods for the physical and chemical properties of wood-based panels and decorative wood-based panels" (GB/T17657-2013) b. "Limits of harmful substances in interior decoration materials and wooden furniture" (GB18584-2001); c. "Limits for Release of Harmful Substances from Interior Decoration Materials Carpets, Carpet Pads and Carpet Adhesives" (GB18587-2001); d. "Technical Requirements for Environmental Labeling Products-Artificial Panels and Products" (HJ 571-2010); e. "Limits of Formaldehyde Release in Interior Decoration Materials, Artificial Panels and Products" (GB 18580-2017); f. "Indoor Air Quality Standard" (GB/T 18883-2002); g. "Technical Requirements for Environmental Labeling Products-Waterborne Coatings" (HJ/T 201-2005); h. "Technical Requirements for Environmental Labeling Products Adhesives" (HJ/T 220-2005) i. "Technical Requirements for Environmental Labeling Products for Solvent-based Wood Coatings for Interior Decoration" (HJ/T 414-2007); j. "Indoor Air-Part 9: Determination of Emitted Volatile Organic Compounds in Building Products and Furnishings-Test Chamber Method" (ISO 16000-9-2011); k. "1M3 climate chamber for formaldehyde emission detection" (LY/T1980-2011) l. "Standard for Release of Toxic and Hazardous Substances from Musical Instruments" (GB/T 28489-2012) M, GB18580—2017 "Limits of Formaldehyde Release in Artificial Panels and Products of Interior Decoration Materials" 5. International standards a. "1M3 climate chamber method to determine the amount of formaldehyde released from boards" (ISO 12460-1.2007) b. "Indoor Air-Part 9: Determination of Emission of Volatile Organic Compounds Emitted by Building Products and Furniture-Emission Laboratory Method" (ISO 16000-9.2006)|
Temperature | Temperature range: 10～80℃ normal working temperature (60±2)℃Temperature accuracy: ±0.5℃, adjustable Temperature fluctuation: ≤ ±0.5℃ Temperature uniformity: ≤±0.8℃ Temperature resolution: 0.1℃ Temperature control: It adopts heating pipe and cooling water control method, which is composed of heating components, refrigeration components, air circulation system, loop air duct, etc., equipped with an intelligent temperature controller to ensure the uniformity of temperature in the test chamber; there is no condensing tube inside the test chamber, Humidifier and condensate storage pool, etc.; temperature and humidity should reach the set value and be stable within 1h after starting up. |
| Humidity | Humidity range: 5～80% R.H., normal working humidity (5±2)%, adjustableHumidity fluctuation: ≤ ± 1% RH Humidity uniformity ≤ ±2% RH Humidity resolution: 0.1% RH Humidity control: dry and wet proportional control method (external) |
| Air exchange rate and sealing | Air exchange rate: 0.2～2.5 times/hour (precision 2.5 level), normal exchange rate is 1.0±0.01. Meet the requirements of plastic surface layer test (1 time/hour)Center wind speed (adjustable): 0.1～1.0 m/s adjustable to meet the testing requirements of plastic surface layer (0.1～0.3 m/s) accuracy: ±0.05m/s Relative positive pressure maintenance: 10±5 Pa, the air pressure in the cabin can be displayed in the instrument. |
| Box volume | Working room volume: 1000L or 60LStudio: 1000×1000×1000mm or 300×500×400mm (width×depth×height) |
| Relative to the external pressure in the test chamber | 10±5Pa |
| Tightness | When the positive pressure is 1KPa, the air leakage rate in the warehouse is less than 0.5% of the cabin capacity/min |
| Equipment recovery rate | ＞85%, (calculated as toluene or n-dodecane) |
| System composition | Main cabinet: high-strength carbon steel shell, stainless steel working cabin, polyurethane insulation layerTemperature control system: indirect temperature control method in constant temperature room (4 working cabins are placed in constant temperature cabin) Humidity control system: dry gas, wet gas proportional control method (independent control for each cabin) Background concentration control: high cleanliness working cabin, high cleanliness ventilation system Ventilation and fresh air purification system: oil-free clean air source, multiple filtration (special polar and non-polar composite filtration) Sealing and positive pressure maintaining system: special sealing technology and maintaining positive pressure in the cabin to prevent pollutants from entering |
1. Load capacity >2.0L/min (4000Pa) 2. Flow range 0.2～3.0L/min 3. Flow error ≤±5% 4. Timing range 1～99min 5. Timing error ≤±0.1% 6. Continuous working time ≥4hr 7. Power 7.2V/2.5Ah Ni-MH battery pack 8. Working temperature 0～40 ℃ 9. Dimensions 120×60×180mm 10. Weight 1.3kg Remarks: for chemical analysis, auxiliary equipment .
