project | Explanation | A1 | A2 | A3 | B1 | B2 | B3 |
Haze sensor | G7 laser sensor | √ | √ | √ | √ | √ | √ |
Upgraded formaldehyde sensor | DART-WZS | √ | √ | ||||
Formaldehyde sensor | Electrochemical formaldehyde sensor | √ | √ | ||||
Carbon dioxide sensor upgrade | sensorAir S8 | √ | √ | ||||
CO2 sensor | MH-19 | √ | |||||
TVOC | TGS2602 | √ | √ | √ | √ | √ | √ |
Humidity & temperature | senseon SHT20 | √ | √ | √ | √ | √ | √ |
WIFI | The detector obtains the current outdoor weather and outdoor PM2.5 value Mobile phone remote detection detector real-time data |
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TF card data export | Support TF card data export in Excel table format Data is continuously saved without limitation Free TF card |
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lithium battery | 5000mAh super large capacity lithium battery Charge for 8 hours and last for more than 30 hours With circuit protection board, charging safety |
√ | √ | √ | √ | √ | √ |
Standby function | Standby protection function Switchable between clock standby and standby screen |
√ | √ | √ | √ | √ | √ |
Alarm function | User-defined threshold, when the pollutant exceeds the standard, the alarm reminds | √ | √ | √ | √ | √ | √ |
Voice broadcast | Voice broadcast environment value | √ | √ | √ | √ | √ | √ |
Number of particles | Particulate details interface display | √ | √ | √ | √ | √ | √ |
AQI/American Standard | Air quality and American standard indication | √ | √ | √ | √ | √ | √ |
Historical curve | Analysis of the historical curve of the recorder | √ | √ | √ | √ | √ | √ |