Description
DM509M Air Quality Monitor Data Logging · PC Download · Multi-Parameter Measurement.
The DM509M is a professional indoor air quality (IAQ) monitor designed for continuous monitoring of environmental conditions. It combines high-precision sensors with internal data logging and PC download capability, enabling reliable historical analysis and professional reporting.
The device simultaneously measures CO₂, HCHO, TVOC, AQI, PM1.0, PM2.5, PM10, temperature and humidity, providing a complete real-time overview of indoor air quality.
It is an ideal solution for air quality assessments, occupational health, environmental audits and indoor air monitoring.
Measured Parameters:
- CO₂ (Carbon Dioxide)
- HCHO (Formaldehyde)
- TVOC (Total Volatile Organic Compounds)
- AQI (Air Quality Index)
- PM1.0
- PM2.5
- PM10
- Temperature
- Relative Humidity
Key Technical Features:
- Real-time multi-parameter air quality monitoring
- Internal data logging for long-term analysis
- Data download to PC via USB connection
- High-sensitivity sensors with fast response
- Clear and intuitive high-definition digital display
- Automatic AQI calculation for instant air quality assessment
- Configurable alarms for pollution thresholds
- Compact and portable design
- Suitable for continuous and unattended operation
Applications:
- Offices and corporate buildings
- Schools and educational facilities
- Hospitals and healthcare centers
- Industrial environments and laboratories
- Hotels, retail spaces and public buildings
- Indoor air quality (IAQ) studies
- Occupational health and safety monitoring
Commercial Advantages:
- Comprehensive air quality control in a single device
- Supports compliance with health, safety and wellbeing standards
- Ideal for technical reports and environmental audits thanks to data logging
- Helps improve safety, comfort and productivity in indoor spaces
Technical Specifications Table:
| Parameter | Measurement Range | Resolution |
| CO₂ | 0 – 5,000 ppm | 1 ppm |
| HCHO | 0 – 1.999 mg/m³ | 0.001 mg/m³ |
| TVOC | 0 – 9.999 mg/m³ | 0.001 mg/m³ |
| PM1.0 | 0 – 1,000 µg/m³ | 1 µg/m³ |
| PM2.5 | 0 – 1,000 µg/m³ | 1 µg/m³ |
| PM10 | 0 – 1,000 µg/m³ | 1 µg/m³ |
| Temperature | 0 – 50 °C | 0.1 °C |
| Relative Humidity | 0 – 99 %RH | 1 %RH |
