MS9003M PM2.5 Laser Particle Sensor Detector Air Quality Tester
The MS9003M PM2.5 Laser Particle Sensor Detector is a high-precision air quality sensing module designed to measure particulate matter (especially PM2.5) in ambient air using laser scattering technology. It provides accurate real-time data on particle concentration, making it ideal for indoor air quality monitoring, air purifiers, HVAC systems, smart home IoT devices, and environmental sensing projects. The laser-based detection method delivers more reliable and fast response readings than traditional optical dust sensors.
This sensor module outputs digital air quality data and can interface with microcontrollers such as Arduino, ESP series, Raspberry Pi, and more, enabling enhanced air quality analysis and response automation. Its compact and robust design supports long-term operation in monitoring systems and portable air quality testers.
KEY FEATURES
- High-precision PM2.5 laser particle detection
- Fast response with real-time measurement
- Digital output for easy microcontroller integration
- Wide application in air quality monitoring systems
- Suitable for air purifiers, HVAC, and smart home devices
- Compact and durable design
- Low power consumption
SPECIFICATIONS
- Sensor Model MS9003M
- Measurement Range PM2.5 (particulate matter ≤2.5 μm)
- Detection Technology Laser scattering
- Output Type Digital data (UART/I2C/SPi – depending on module variant)
- Operating Voltage 3.3 V or 5 V DC (module dependent)
- Response Time Rapid real-time measurement
- Operating Temperature Standard ambient
INTERFACES
- VCC Power supply
- GND Ground
- TX / RX (Serial digital output) or
- SDA / SCL (I2C digital output) or
- Other digital data pins as per module design
