Nitrogen Dioxide (NO2) is a reddish-brown, toxic gas with a pungent odor, belonging to the Nitrogen Oxides family. It is commonly found in vehicle exhaust, industrial emissions, combustion smoke, and urban air pollution, and is a crucial indicator for monitoring ambient air quality. Nitrogen dioxide not only pollutes the environment but also poses significant health risks; therefore, monitoring NO2 concentrations with reliable gas detectors & monitors is particularly important in industrial production, laboratories, and public places.
Sources of Nitrogen Dioxide
- Transportation Emissions: Large amounts of NO2 are produced when vehicles such as cars and motorcycles burn fossil fuels.
- Industrial Production: Nitrogen Dioxide gas is released from fertilizer plants, coal-fired power plants, steel mills, and other high-temperature combustion processes.
- Indoor Combustion: Incomplete combustion of kitchen gas and heating stoves can also produce nitrogen dioxide.
- Natural Sources: Lightning and volcanic activity also produce small amounts of NO2, but these are negligible compared to anthropogenic emissions.
Nitrogen Dioxide Hazards
Impacts on Human Health
- Respiratory Irritation: NO2 gas is highly irritating; inhalation can cause symptoms such as coughing, sore throat, and difficulty breathing.
- Chronic Harm: Long-term exposure to low concentrations of NO2 increases the risk of asthma attacks and reduces lung function, especially affecting children, the elderly, and those with respiratory diseases.
- Immune Effects: High concentrations of NO2 can damage the respiratory mucosa, weaken the body's resistance, and make people more susceptible to respiratory diseases.
Impacts on the Environment
- NO2 is an important precursor to acid rain, leading to soil acidification, water pollution, and damage to the ecological environment.
- It participates in photochemical reactions to generate ozone and fine particulate matter (PM2.5), exacerbating air pollution and harming human and animal health.
GasDog Gas Detectors for NO2 Monitoring
Due to the high toxicity of NO2 gas, accurate detection and monitoring of its concentration are crucial for ensuring safety. Common detection methods include portable gas detectors and fixed gas detection systems.
Portable NO2 Gas Detector
Portable Nitrogen Dioxide gas detectors are suitable for inspection, temporary testing, and mobile operations. Features include:
- Lightweight and flexible: Small size, easy to carry, clear display, simple operation, suitable for rapid on-site testing.
- Real-time monitoring and alarm: Instantly displays NO2 concentration, fast response, and features audible and visual or audible and visual vibration alarms, improving on-site safety.
- Data logging function: Supports storing measurement data and exporting records, facilitating inspection tracking and safety management.
| Model | GD200-NO2 |
|
Gas |
Nitrogen Dioxide (NO2) |
| Range | 0 to 20/50/100/500/1000ppm |
| Resolution | 0.01ppm, 0.1ppm or 1ppm |
| Accuracy | ≤±3% F.S. |
| Explosion-proof Grade | Ⅱ 2G Ex ia Ⅱ CT4 Ga |
| Certification | CE, ATEX |
Fixed NO2 Gas Detector
Fixed gas detectors are suitable for long-term continuous monitoring in industrial or public areas. Advantages include:
- Continuous and stable monitoring: 24-hour real-time monitoring of NO2 concentration, providing timely warnings of leaks, suitable for high-risk areas.
- Industrial-grade protection: Waterproof and dustproof (IP65/IP66) and corrosion-resistant design, suitable for complex indoor and outdoor environments.
- Remote management support: Can be connected to controllers or monitoring systems for remote viewing, data analysis, and equipment linkage control.
| Items | SKU | Measure Range | Resolution |
 |
GD300-NO2 | 0-1/5/10/20/50/100/500/1000ppm | 0.001ppm/0.01ppm/0.1ppm/1ppm |
 |
GD700-NO2 | 0-1/5/10/20/50/100/500/1000ppm | 0.001ppm/0.01ppm/0.1ppm/1ppm |
Nitrogen Dioxide (NO2) is a toxic gas that poses potential hazards to both humans and the environment. Through scientific and reasonable detection and monitoring, risks can be effectively reduced, protecting life and environmental health. Whether using portable gas detectors or fixed detection systems, choosing high-precision, reliable products and combining them with appropriate safety measures is essential for both businesses and individuals. By understanding the characteristics and hazards of NO2 and using appropriate gas detection equipment, you can provide a safer and healthier guarantee for yourself and your surroundings.
