美國MetOne Aerocet531S手持式粒子計數器
| Operating Principle | ||
| Counts individual particles using scattered laser light and calculates the equivalent mass concentration using a proprietary algorithm. | ||
| Mass Mode Performance | ||
| Mass Concentration Ranges: | PM1, PM2.5, PM4, PM7, PM10, and TSP | |
| Concentration Range: | 0 – 1000 ug/m3 | |
| Sample Time – Mass Mode: | 1 minute | |
| Particle Mode Performance | ||
| Particle Size Range: | Four channels—0.5, 1.0, 5.0 and 10.0 μm | |
| Concentration Range: | 0 – 3,000,000 particles per cubic foot (105,900 particles/L) | |
| Sample Time – Particle Mode: | 1 minute | |
| Accuracy: | ± 10%, to calibration aerosol | |
| Sensitivity: | 0.5 μm | |
| Flow Rate: | 0.1 cfm (2.83 lpm) | |
| Electrical | ||
| Light Source: | Laser diode, 90 mW, 780nm | |
| Power: | 7.4V Li-ion battery pack—provides 20 hours of typical intermittent operation, up to 10 hours continuous use | |
| AC Adapter/Charger: | L-ion battery charger, 100-240 VAC, 50/60Hz, 0.2A | |
| Communications: | RS-232, USB | |
| Particle Certifications: | Meets or exceeds CE and ISO21501 | |
| Mass Certifications: | Requires proper use of appropriate K-factors for material being measured | |
| Interface | ||
| Display / Keyboard: | 16 character x 4 line LCD / 7 key membrane type | |
| Data Memory: | 6,257 records | |
| Power Supply / Charger: | Yes | |
| Software: | Yes | |
| Physical | ||
| Size: | Height: 6.25” (15.9 cm) Width: 4.00” (10.2 cm) Depth: 2.12” (5.4 cm) | |
| Weight: | 2 lb – 32 oz (0.9 kg) | |
| Environmental | ||
| Operating Temperature: | 0 ? C to +50 ? C | |
| Storage Temperature: | -20 ? C to +60 ? C | |
| Accessories | ||
| Supplied: | Operation Manual Custom Serial Cable USB CableCommunication Software (Comet) AC Adapter / Battery Charger Iso-kinetic Sample Probe Carrying Case Zero Particulate Filter | |
| Optional: | RH & Temperature Probe (MOI # G3120) Flow Meter (MOI # 9801) Portable Printer (MOI # G3115) | |
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