| Operating Principle | : Counts individual particles using scattered laser kight Performance |
| Particle Size Range | : >0.3, >0.5, >1.0, >2.0, and >5.0 μm (selectable) |
| Concentration Range | : 0 – 3,000,000 particles per cubic foot (105,900 particles/L) |
| Accuracy | : ± 10%, to calibration aerosol |
| Sensitivity | : 0.3 μm |
| Flow Rate | : 0.1 cfm (2.83 lpm) |
| Sample Time | : 1 minute total (first reading in 9 seconds, subse quently every 6 seconds) |
| Light Source | : Laser diode |
| Power | : 6V Ni-MH self-contained battery pack-provides 8 hours of typical intermit tent operation, up to 5 hours continuous use |
| AC Adapter/Charger | : AC to DC module, 100 – 240 VAC to 9 VDC @ 350 mA typical |
| Communications | : RS-232 |
| Display | : 16-character LCD |
| Keyboard | : 2-button membrane |
| Operating Temperature | : 0° to +50°C |
| Storage Temperature | : -20° to +60°C |
