DONGGUAN DAXIAN INSTRUMENT EQUIPMENT CO.,LTD
Dongguan Daxian Instrument Equipment Co.,Ltd. CHINA'S LEADER IN TESTING EQUIPMENT Professional Manufacturer of Building Materials 13 years Fire Retardant / Wire/ Plastics/ Rubber/ Environmental
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Technical index:
| Main parameters | Parameter range | Resolution | Maximum allowable error |
| A channel sampling flow rate | 28.3L/min | 0.1L/min | better than ±2.5% |
| B channel sampling flow rate | 28.3L/min | 0.1L/min | better than ±2.5% |
| Spray flow | (8～10)L/min | 0.1L/min | better than ±5.0% |
| Peristaltic pump flow | (0.006～3.0)mL/min | 0.001ml/min | better than ±2.5% |
| Front pressure of channel A | (-20～0)kPa | 0.01kPa | better than ±2.5% |
| Front pressure of channel B | (-20～0)kPa | 0.01kPa | better than ±2.5% |
| Pressure before spray flowmeter | (0～300)kPa | 0.1kPa | better than ±2.5% |
| Aerosol chamber negative pressure | (-90～-120)Pa | 0.1Pa | better than ±2.0% |
| Operating temperature | (0～50)℃ | ||
| Cabinet negative pressure | (-50～-200)Pa | ||
| Data storage capacity | ＞100000 group | ||
| HEPA filter characteristics | Filtration efficiency for particles above 0.3um ≥99.99% | ||
| Aerosol generator mass median diameter | Average particle diameter (3.0 ± 0.3) μm, geometric standard deviation ≤1.5 | ||
| Dual 6-stage Anderson sampler captures particle size | Ⅰ＞7μm,Ⅱ(4.7～7)μm,Ⅲ(3.3～4.7)μm,Ⅳ(2.1～3.3)μm,Ⅴ(1.1～2.1)μm,Ⅵ(0.6～1.1)μm | ||
| Aerosol chamber specifications | (Length 600 x diameter 85 x thickness 3) mm | ||
| Total number of positive QC sampler particles | (2200±500)cfu | ||
| Negative pressure cabinet ventilation flow | ≥5m3/min | ||
