| Operating principle |
Laser scattering |
| Measurement range |
0 ~ 1,000μg/m³ |
| Accuracy |
PM1.0 |
≤100μg/m³: ±10μg/m³ |
| 101~300μg/m³: ±10% of reading |
| PM2.5 |
≤100μg/m³: ±15μg/m³ |
| 101~500μg/m³: ±15% of reading |
| (GRIMM, 25±2℃, 50 ±10%RH） |
| Response time |
1sec |
| Time to first reading |
≤8sec |
| Working condition |
-20 ~ 60℃, 5 ~ 95%RH |
| Storage condition |
-30 ~ 70℃, 0 ~ 95%RH（Non-condensing） |
| Power supply |
DC 5V ±0.5V, ripple wave<100mV |
| Working current |
≤100mA |
| Standby current |
≤25mA |
| Digital output |
UART: +3.3V /+5V level |
| I²C |
| Dimensions |
W47.8 * H36.8 * D12.1 mm |
| MTTF |
>100,000 hours |
