| Model | PM2003 |
| Measurement parameters | PM0.3 / PM2.5 / PM10 |
| Power supply/ consumption | DC 5v, Imax 500mA |
| Size (mm) | 71 * 55 * 16.1 |
| Accuracy | PM0.3: 4000 pcs / l |
| pm2.5: 40 pcs / l | |
| pm10: 4 pcs / l | |
| Response time | 30s |
| Working conditions | 0-50℃, 0-95% RH |
| Signal output | Signal output RS232-TTL |
| Life | 10years (source) |