M701 UART Air Quality Sensor Module VOC CO2 HCHO PM2.5 Sensor With Temperature and humidity
The M701 UART Air Quality Sensor Module is a multifunctional sensor that measures VOC, CO₂, HCHO, PM2.5, temperature, and humidity. With high sensitivity and stable performance, it provides real-time environmental monitoring, making it suitable for air purifiers, smart homes, HVAC, and industrial applications.
يُعدّ مستشعر جودة الهواء وحدة استشعار متعددة الوظائف تقيس المركّبات العضوية المتطايرة (VOC)، وثاني أكسيد الكربون (CO₂)، والفورمالدهيد (HCHO)، والجسيمات الدقيقة (PM2.5)، بالإضافة إلى درجة الحرارة والرطوبة. يتميّز بحساسية عالية وأداء مستقر، ويوفّر مراقبة لحظية للبيئة، مما يجعله مناسبًا لأجهزة تنقية الهواء، والمنازل الذكية، وأنظمة التكييف والتهوية، والتطبيقات الصناعية.
The M701 UART Air Quality Sensor Module is an advanced multi-parameter sensing solution designed for real-time monitoring of indoor environmental quality. It integrates gas detection and particulate measurement technologies, enabling detection of volatile organic compounds (VOC), carbon dioxide (CO₂), formaldehyde (HCHO), and fine particulate matter (PM2.5). Additionally, it includes sensors for temperature and humidity to provide comprehensive environmental data.
With UART communication, the M701 ensures stable and accurate data output for easy integration into IoT devices, smart appliances, and industrial monitoring systems.
| Parameter | Measurement resolution | Range of measurement | Accuracy |
| C02 | 1ppm | 400ppm～5000ppm | ±3%+50ppm or ±10% |
| CH20 | 1μg/m3 | 0ug～2000ug/m³ | ±10% |
| TVOC | 1μg/m3 | 0ug~2000ug/m³ | ±25% |
| PM2.5 | 1μg/m3 | 0ug/m3～999ug/m³ | ±10% or ±10 |
| PM10 | 1μg/m3 | 0ug/m3～1000ug/m³ | ±10% or ±10 |
| Temperature | 0.1℃ | -40℃～100℃ | ±1°C |
| Humidity | 0.4% | 0-100% | ±3%RH |
| Physical interface | XH2.54 | ||
| output | UART | ||
| Source Voltage | 5.0±0.2VDC | ||
| Current | ≤500mA | ||
| Warm-up time | 2 minutes (TVOC needs to be warmed up) | ||
| Operating Temperature | 0°C〜50°C | ||
| Operating humidity (Non-Condensing ) | ≤95％RH | ||
| Physical Size | 71*62*16mm (LxWxH) | ||