| Working principle |
CO2：NDIR |
| PM：Laser scattering principle |
| Measurement range |
PM2.5：0~1000μg/m³ |
| CO2：0~5000ppm |
| Temperature：-10℃~50℃ |
| Humidity：0%~95%RH |
| PM2.5 Measurement accuracy |
≤ 100μg/m³：±10μg/m³ |
| > 100μg/m³：±10% reading |
| （Reference Instrument TSI 8530，25±2℃，50±10%RH） |
| CO2 Measurement accuracy |
±（50ppm+5% reading）@ 0~50℃ |
| Temperature Measurement accuracy |
±1℃ |
| Humidity Measurement accuracy |
±8%RH |
| PM Response time T90 |
≤8s |
| CO2 Response time T90 |
<120s |
| Working condition |
-10~50℃，0~95%RH(Non-condensing) |
| Storage condition |
-20~60℃，0~95%RH(Non-condensing) |
| Working voltage |
DC 12V |
| Working current |
<140mA |
| Standby current |
≤80mA |
| Signal Output |
RS485 |
| Installation hole distance |
60mm（standard） |
| Dimension |
86*86*24.9 mm |
| Lifetime |
PM：≥5 years |
| CO2：≥10 years |
