High-precision instruments for air quality monitoring, particle measurement, and environmental analysis – built for reliability, accuracy, and compliance.
The HORIBA APOA-380 is a next-generation continuous ozone analyzer designed for the rigorous demands of ambient air quality monitoring systems (AQMS) and industrial process background checks. Utilizing advanced Cross-Flow Modulated Non-Dispersive Ultraviolet (NDUV) absorption technology powered by a long-life UV LED source, this system delivers exceptional stability and sensitivity while eliminating the environmental hazards associated with traditional mercury lamps.
Eco-Friendly & Durable Design: Replaces conventional mercury lamps with a high-efficiency UV LED light source, significantly extending component lifespan and reducing hazardous waste disposal requirements.
Superior Zero Stability: Features a unique heated ozone decomposer that functions as a reference gas purifier. This minimizes interference from moisture and other background gases, ensuring a stable baseline even in fluctuating environmental conditions.
Optimized Uptime & Maintenance: The modular internal design facilitates rapid field servicing. Built-in predictive diagnostics and parts timers alert operators to maintenance needs before failure occurs, maximizing data availability.
Seamless Data Integration: Equipped with a 7-inch color touchscreen for intuitive local control, plus comprehensive connectivity options (Modbus™ TCP/RTU, USB, Ethernet) for effortless integration into modern smart monitoring networks.
The APOA-380 operates on the Cross-Flow Modulated NDUV principle, the gold standard for low-concentration ozone detection. By continuously alternating the sample gas and a zero-reference gas (generated internally via the heated decomposer) into the measurement cell, the analyzer practically eliminates zero drift.
Performance Capabilities:
Measurement Range: Ultra-flexible auto-ranging from 0–0.1 ppm up to 0–10 ppm, making it suitable for both pristine background monitoring and high-concentration industrial pollution analysis.
Detection Limit: Achieves a lower detection limit (LDL) of < 0.3 ppb, ensuring precise capture of trace-level ozone variations.
Interference Rejection: The optical system is designed to reject common interferents, ensuring that the reported $O_3$ values are chemically specific and regulatory-grade.
System Architecture:
The unit is housed in a standard rack-mountable chassis with a user-friendly front panel. The modular internal layout isolates the gas handling components from the electronics, protecting sensitive circuitry and simplifying replacement of the measurement module or pump.
National Air Quality Networks: Continuous monitoring of ground-level ozone in urban and rural stations to meet EU and EPA air quality standards.
Industrial Fence-Line Monitoring: Detecting fugitive emissions and ensuring environmental compliance around petrochemical plants, power stations, and manufacturing facilities.
Mobile Monitoring Labs: Due to its robust design and vibration resistance, the APOA-380 is ideal for integration into mobile air quality vans and temporary measurement stations.
Research & Background Studies: High-sensitivity measurement for atmospheric research requiring low-ppb detection limits.
The APOA-380 distinguishes itself by solving the two most common pain points in ozone monitoring: light source degradation and zero drift. By adopting UV LED technology, it removes the frequent calibration and replacement cycles associated with mercury lamps. Furthermore, its intelligent "Cross-Flow" modulation ensures that the analyzer is constantly referencing itself, providing data integrity that EHS managers and station operators can trust implicitly. This is not just a monitor; it is a low-maintenance, high-reliability compliance tool.
