| Chart 1 Particle Concentration Index |
| Parameter | Index | Unit |
| Range of measurement | 0.3~1.0；1.0~2.5；2.5~10 | Micrometer（μm） |
| Counting Efficiency | 50%@0.3μm 98%@>=0.5μm |
|
| Effective Range（PM2.5standard） | 0~500 | μg/ m³ |
| Maximum Range（PM2.5standard）* | ≥1000 | μg/ m³ |
| Resolution | 1 | μg/ m³ |
| Response Time | 30 | S |
| Working current of particle sensor | 45(1/2)~75(1/2) | mA |
| Maximum Consistency Error （PM2.5 standard）* | ±10%@100~500μg/ m³ |
|
| ±10μg/ m³@0~100μg/ m³ |
| MTTF | ≥3 | Year（Y） |
| Standard Volume | 0.1 | L |
| Chart 2 TVO Index |
| Parameter | Index | Unit |
| TVOC Effective Range | 0-10 | ppm |
| TVOC consistency | ±20% |
|
| TVOC Resolution | 0.01 | ppm |
| TVOC Warm up time | 5 | min |
| TVOC Active Current | 60 | mA |
| MTTF | ≥3 | Y |
| Chart 3 CO2 Index |
| Parameter | Index | Unit |
| Effective Range | 400~3000 | ppm |
| Maximum Range | 5000 | ppm |
| Resolution | 1 | ppm |
| Warm up time | 60 | S |
| Accuracy | ±（50ppm+5%of reading） |
|
| CO2 Active Current | 30(2/3)~150(1/3) | mA |
| MTTF | ≥5 | Y |
| Chart4 Temperature and Humidity Index |
| Parameter | Index | Unit |
| Temperature Effective Range | -30~99 | ℃ |
| Temperature Resolution | 0.1 | ℃ |
| Humidity measurement range | 0~99 | ％ |
| Humidity measurement resolution | 0.1 | % |
| Chart5 Basic Technical Index |
| Parameter | Index | Unit |
| DC Power Supply | Typ:5.0 Min:4.5 Max: 5.5 | Volt(V) |
| Active Current | ≤200 | Milliampere(mA) |
| Module operating current | 110~300 | Milliampere(mA) |
| Module standby current | 25 | Milliampere(mA) |
| Interface Level | L <0.8 @3.3 H >2.7@3.3 |
|
Working Temperature
Range | 0~+55 | ℃ |
| Working Humidity Range | 0~90% |
|
Storage Temperature
Range | -30~+60 | ℃ |
| MTTF | ≥3 | Y |
| Physical Size | 75×51×18.1 | mm |
