Features:
1. Test particle size: 0.3μm/2.5μm/10.0μm
2. Light source: semiconductor lasers
3. Formaldehyde range: 0.5mg/m³
4. Accuracy: ± 5% (HT-9601)
5. Temperature range: 0-50°C /32-122°F
6. Accuracy: ± 5%
7. Humidity range: 0-100% RH
8. Accuracy: ±2% RH
9. Display: 320*240 2.8 inches LCD display
10. Counting efficiency: 100 ±10% @ 0.5μm
11. Sampling: customized (1s - 59min. 59s)
12. Sampling frequency: 1-99/continuous
13. Alarm levels: 1-100,000 (FED209E standard), 2-9 (ISO 14464-1 standard)
14. Test mode: single/repeat/continuous/timer/average
15. Data storage: 2000
16. Interface: USB
17. Operating environment: 5-45°C, <90% RH
18. Storage environment: -20-60°C, < 90% RH