AELAB AQMS-600 Nitrogen Oxides Analyzer – Precision NOx Monitoring System

The AELAB AQMS-600 Nitrogen Oxides Analyzer is a high-precision instrument for measuring NO, NO₂, and total NOx concentrations in ambient and industrial air. Using chemiluminescence detection, it provides reliable, real-time quantification suitable for environmental protection agencies, research institutions, and industrial emission monitoring programs. Its compliance with U.S. EPA reference methods ensures accurate data for regulatory and scientific applications.

⚙ Design & Construction

The AQMS-600 features a compact, rack-mountable design with a digital control interface and integrated display for real-time parameter tracking. Its internal layout includes a permeation dryer on the ozone generator, catalytic ozone scrubber, and independent ranges for NO, NO₂, and NOx. The analyzer’s solid-state components, temperature regulation system, and vibration-resistant chassis provide long-term measurement stability in both laboratory and field environments.

🔬 Working Principle / Testing Method

The AELAB AQMS-600 operates on the chemiluminescence principle, the most accurate technique for NOx quantification. In this process, nitric oxide reacts with ozone to produce excited nitrogen dioxide molecules that emit light. The emitted light intensity is directly proportional to NO concentration. For total NOx measurement, NO₂ is thermally converted to NO in a heated catalytic converter before reaction. The system compensates for temperature and pressure variations to maintain data integrity under fluctuating environmental conditions.

💡 Key Advantages

• EPA-approved chemiluminescence method for NOx detection.
• Independent NO, NO₂, and NOx ranges for flexible measurement control.
• Automatic temperature and pressure compensation ensures consistent accuracy.
• Built-in diagnostic and alarm functions reduce downtime.
• Internal data logging supports averaging from 1 minute to 365 days.
• Multi-tasking software allows real-time monitoring during operation.

🔗 Connectivity & Integration

The AELAB AQMS-600 supports RS232, RS485, and Ethernet interfaces, enabling seamless integration with air quality management networks, LIMS, and SCADA systems. Analog and digital outputs facilitate remote monitoring, data retrieval, and automated process control. The internal data logger allows long-term storage of readings for trend analysis and compliance reporting.

🧠 Model Insight

The AELAB AQMS-600 is available in multiple configurations, including a standard model for governmental air quality networks, an extended data logger model for research applications, and a multi-point calibrator version for industrial facilities. Each variant provides high repeatability, ensuring continuous monitoring and minimal maintenance.

🧪 Testing Applications

• Urban air pollution and NOx emission studies.
• Industrial stack and process emission monitoring.
• Atmospheric chemistry and environmental research laboratories.
• EPA and ISO-compliant air quality surveillance networks.
• University and institutional environmental testing programs.

Compliance & Quality Assurance

The AELAB AQMS-600 Nitrogen Oxides Analyzer is manufactured in accordance with ISO 9001 quality management standards and conforms to U.S. EPA reference methods for NOx analysis. Each analyzer undergoes multi-point calibration, drift testing, and traceable certification to ensure accuracy, reliability, and operational safety in continuous air quality monitoring systems.