Technical Parameters
| Technical parameter | Parameter value |
| Brand | XUNCHIP |
| CH2O range | 0~5ppm |
| CH2O accuracy | ±0.1ppm |
| CH2O response time | ≤ 60 seconds |
| CH2O recovery time | ≤ 60 seconds |
| Measuring range | 0~20.0mg/m3 |
| Allow deviation | ±7% |
| Repeatability test | ±5% |
| Resolution | 0.01mg/m3 |
| Detect gases | cooking fumes/hydrogen/cigarettes/alcohol |
| etc | PM2.5 range |
| 0~999ug/m3 | PM2.5 accuracy |
| ±15% or ±10ug/m3 max @25℃ | PM10 range |
| 0~999ug/m3 | PM10 accuracy |
| ±15% or ±35ug/m3 max @25℃ | Communication Interface |
| USB | Default baud rate |
| 9600 8 n 1 | Power |
| DC5V 1A | Running temperature |
| -30~85℃ | Working humidity |
| 5%RH~90%RH |
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