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- Overview
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1. The Core Product
Our premium Calibration Gas Mixtures for Exhaust Gas Monitoring are engineered to provide the ultimate accuracy for emission testing and environmental compliance. Utilizing advanced gravimetric blending techniques, these mixtures precisely combine critical components such as Carbon Monoxide (CO), Carbon Dioxide (CO2), Hydrocarbons (HC), Nitrogen Oxides (NO), and Oxygen (O2) to meet stringent regulatory requirements
2. Stability & Tech
To ensure the integrity of reactive gases, each cylinder undergoes a proprietary internal passivation process that prevents component absorption and maintains chemical stability for an extended shelf life of 12 to 24 months
3. Quality & Application
Every batch is rigorously analyzed and supplied with a traceable Certificate of Analysis (CoA), ensuring that your data aligns with international standards such as NIST. Whether used for automotive inspection stations, Continuous Emission Monitoring Systems (CEMS) in industrial stacks, or environmental research, these high-purity standard gases deliver exceptional repeatability and rapid sensor response
4. Conclusion
By minimizing measurement drift and false readings, our calibration gases empower you to maintain seamless operational compliance and precise control over environmental impact
AGEM was established in 2008 as a multinational professional manufacturer and service provider of gas equipment, headquartered in Taiwan, China. With 16 years of dedicated industry expertise, its global footprint, superior manufacturing craftsmanship, and comprehensive product portfolio have solidified its status as a benchmark enterprise in the gas equipment sector. The company adheres to a globalization development strategy, establishing modern production bases in Chinese Mainland, Taiwan, China, and India, forming a production and service network that covers Asia and extends globally. Each base is equipped with intelligent production lines and precision testing equipment, enabling full-process control from raw material processing to finished product delivery. With annual production capacity consistently ranking among industry leaders, the company can swiftly respond to the diverse needs of global clients. The core business focuses on gas-related core equipment, encompassing a full range of products including various industrial gases, specialized gas valves, high-pressure cylinders, lightweight aluminum cylinders, and high-precision pressure reducers. These products are widely applied in critical sectors such as chemicals, electronics, healthcare, and energy. Leveraging profound technical expertise, the products have obtained ISO9001 Quality Management System certification and multiple authoritative international certifications, including ASME certification for high-pressure equipment, CE-PED certification for EU market access, and IECEx explosion-proof certification for global application. Key performance indicators such as sealing performance, pressure resistance, and safety protection have achieved internationally advanced levels. The company consistently prioritizes technological innovation as its core competitive strength, assembling an international R&D team and continuously investing in technological breakthroughs
This gas mixture is designed for calibration of SCR DeNOx systems and flue gas analyzers, ensuring accurate monitoring of NO, NO₂ and NH₃ emissions
Yes. Gas concentrations can be customized according to your analyzer requirements and calibration standards
NH₃ and NO₂ are reactive gases that can interact with cylinder surfaces. Therefore, specialized cylinder treatment and blending technology are required to maintain long-term stability
High-purity Nitrogen (N₂) is commonly used as the balance gas because it provides excellent stability and compatibility
- 2L
- 4L
- 8L
- 10L
- 20L
- Customized sizes available
Steel and aluminum cylinders are available
Typical shelf life is 12–24 months, depending on concentration levels and storage conditions
AGEM presents the CEMS Calibration Gas NO NO2 NH3 N2 Mixture Span Gas for SCR DeNOx System Flue Gas Analyzer, a precision-engineered calibration solution designed for continuous emissions monitoring systems, selective catalytic reduction (SCR) DeNOx units, and industrial flue gas analyzer applications. This CEMS calibration gas product integrates high-purity NO, NO2, and NH3 in a stable N2 matrix to deliver reliable performance for calibration, validation, and maintenance of flue gas analyzers and SCR DeNOx control systems. As a product of AIR GAS ELECTRONIC MATERIALS (AGEM), it embodies our commitment to rigorous quality control, advanced R&D, and global manufacturing excellence for specialty and calibration gas solutions.
Product Overview and Purpose
The AGEM CEMS calibration gas NO NO2 NH3 N2 mixture span gas for SCR DeNOx system flue gas analyzer is formulated to meet the demanding needs of modern emissions monitoring and DeNOx control strategies. This SCR DeNOx span gas serves as a primary reference for calibrating and verifying the accuracy of CEMS instruments and flue gas analyzers that measure NO, NO2, and NH3 concentrations. The flue gas analyzer mixture is engineered to provide consistent, certified concentrations that ensure instrument response linearity, measurement traceability, and regulatory compliance. AGEM’s proprietary blending processes and quality assurance protocols ensure each cylinder of NO NO2 NH3 N2 calibration gas performs to specification under field and laboratory conditions.
Key Features
- Precise Multi-Component Blend: The CEMS calibration gas contains NO, NO2, and NH3 blended into N2 at controlled concentrations. This multi-component feature enables single-source verification of NO and NO2 analyzers and NH3 slip monitors, reducing setup time and minimizing cross-contamination risk.
- Stable Span Gas Composition: The SCR DeNOx span gas is manufactured with stability-focused techniques to reduce component reactivity and adsorption, providing long shelf life and consistent performance across temperature and pressure ranges common in field use.
- Traceable Certification: AGEM supplies certified concentration values with full documentation, enabling customers to meet audit and regulatory requirements. The flue gas analyzer mixture includes calibration certificates with uncertainty values traceable to recognized standards.
- Compatibility and Convenience: The NO NO2 NH3 N2 calibration cylinders are available in industry-standard cylinder sizes and fitting types to match a wide range of CEMS and portable flue gas analyzer configurations. This compatibility simplifies workflow for technicians performing routine calibrations and span checks.
- Safety and Handling Controls: AGEM follows strict safety and handling protocols in producing and shipping reactive calibration gases. Each cylinder is labeled with safety data and handling instructions to ensure safe field operations when validating SCR DeNOx systems and CEMS installations.
Applications and Use Cases
- Continuous Emissions Monitoring Systems: The CEMS calibration gas NO NO2 NH3 N2 mixture supports regular automated and manual calibration of continuous emissions monitoring systems. It is ideal for verifying NOx (NO and NO2) analyzer response, NH3 slip measurement, and NOx conversion calculations in CEMS networks.
- SCR DeNOx System Commissioning and Maintenance: For SCR systems, the SCR DeNOx span gas is essential for commissioning catalyst performance and tuning injection strategies. The multi-component flue gas analyzer mixture enables accurate assessment of DeNOx conversion efficiency and ammonia slip, facilitating proactive maintenance and optimal reagent dosing.
- Stack and Flue Gas Analyzer Validation: Flue gas analyzer manufacturers, testing labs, and plant operators use the NO NO2 NH3 N2 calibration gas to validate analyzer linearity, cross-sensitivity, and span drift. The mixture supports field audits, performance testing, and regulatory compliance verification.
- Portable and Field Instrument Checks: Field technicians rely on a reliable SCR DeNOx span gas mixture for on-site calibrations and spot checks. Using a combined NO, NO2, and NH3 calibration source reduces the need for multiple cylinders, streamlining logistics and reducing the chance of incorrect gas selection.
- Research and Development: R&D teams benefit from the flue gas analyzer mixture in developing and validating new catalyst formulations, sensor technologies, and monitoring algorithms. Consistent calibration gas standards lead to repeatable experimental results and accelerated innovation cycles.
Innovation and Technical Advantages
AGEM’s CEMS calibration gas NO NO2 NH3 N2 mixture span gas for SCR DeNOx system flue gas analyzer incorporates several technical innovations that differentiate it from conventional calibration mixtures. First, AGEM leverages advanced blending technologies and corrosion-resistant internal materials to minimize sample degradation and maintain target concentrations for NO, NO2, and NH3. Second, the formulation process includes stabilizers and optimized mixing sequences designed to counteract common gas interactions that can lead to concentration drift or adsorption losses. Third, AGEM’s quality control employs frequent analytical verification and cylinder-specific documentation to ensure each flue gas analyzer mixture meets strict tolerance criteria.
The resulting SCR DeNOx span gas provides low uncertainty and high reproducibility, critical for accurate NOx emissions reporting and ammonia slip monitoring. Additionally, AGEM’s proprietary packaging and valve options reduce leak paths and improve cylinder longevity, enhancing field reliability for CEMS and portable instrument applications.
Performance and Reliability
AGEM’s NO NO2 NH3 N2 calibration gas is tested across environmental and operational conditions to validate stability and performance. Performance metrics include concentration stability over time, reproducibility between cylinders, and compatibility with standard analyzer technologies such as Chemiluminescence NOx analyzers, Fourier-transform infrared (FTIR) systems, and non-dispersive ultraviolet (NDUV) analyzers. The SCR DeNOx span gas demonstrates minimal reactivity and adsorption within the recommended storage and usage conditions, ensuring accurate analyzer calibration even after shipping and field handling.
Quality Assurance and Certification
As a testament to AGEM’s commitment to uncompromised product excellence, each cylinder of flue gas analyzer mixture is accompanied by a certificate of analysis that documents the nominal concentrations, analytical uncertainties, and traceability information. AGEM follows internationally recognized calibration and quality standards and maintains rigorous in-house testing protocols. Regular inspections, validated analytical methods, and quality audits form the backbone of AGEM’s quality assurance program, guaranteeing the reliability of the CEMS calibration gas NO NO2 NH3 N2 product.
Ordering and Support
AGEM provides flexible ordering options for the CEMS calibration gas NO NO2 NH3 N2 mixture, including custom concentration ranges and cylinder sizes to suit the needs of industrial, municipal, and research customers. AGEM’s regional distribution and technical support teams help customers select the optimal SCR DeNOx span gas for their analyzer models, provide guidance on calibration intervals, and assist with documentation for compliance audits. Training and technical consultation services are also available to ensure safe, efficient, and accurate calibration practices.
Conclusion
The AGEM CEMS calibration gas NO NO2 NH3 N2 mixture span gas for SCR DeNOx system flue gas analyzer is a comprehensive calibration solution combining precision, stability, and traceability. Engineered for demanding emissions monitoring and DeNOx control environments, this flue gas analyzer mixture supports accurate NO, NO2, and NH3 measurement, enabling plants to optimize SCR performance, maintain regulatory compliance, and ensure reliable CEMS operation. With AGEM’s stringent quality control, advanced blending technology, and global support network, customers receive a dependable calibration gas solution tailored to the exacting needs of modern environmental monitoring and industrial emissions management.
