Your Professional Online Gas Analysis System Supplier
LTHZ provides continuous online gas analysis systems for industrial process control, combustion optimization, emission monitoring, and workplace safety. Our systems measure O₂, CO, CO₂, CH₄, H₂, SO₂, NOx, NH₃, H₂S, and VOCs, offering standard and customized solutions for power generation, steel, chemical, waste-to-energy, cement, glass, and ceramics industries.
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High Temperature UV Flue Gas Analyzer✦ The LT-D2000N is a high-temperature in-situ flue gas analyzer.✦ It delivers continuous monitoring of NOₓ (NO + NO₂), NH₃ and O₂ for combustion processes.✦ The analyzer operates reliably atread more
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Gas Laser Oxygen Content Analysis SystemThe LT-5600EX Laser Oxygen Analyzer is a mission-critical safety instrument designed for continuous, real-time monitoring of oxygen concentration in industrial gas pipelines, including blast furnaceread more
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Coal Mill CO Online Monitoring SystemCoal Mill CO Online Monitoring System mainly LT-9000 consists of a sampling unit, gas pre-treatment system, gas detector and control unit. The sampling unit performs on-site sample gas collection,read more
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Flue Gas Mercury Online Monitoring System LT-1000-HgPRODUCT OVERVIEW LT-1000-Hg flue gas mercury continuous monitoring system is a device that continuously monitors the concentration and total emission of gaseous mercury from atmospheric pollutionread more
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In Situ Online Nitrogen Oxide Analyzer1.The LT-D2000 is an advanced in-situ flue gas monitoring device equipped with redundant dual-cell thick-film zirconia sensing technology.2.It supports direct installation at the inlet and outletread more
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Gas Process Analysis SystemThe LT-5600 Gas Process Analysis System is a fully integrated safety and control solution engineered for blast furnaces, converters, coke ovens, gasifiers, and producer gas systems. It deliversread more
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Coal Mills CO Analyzer• Achieve continuous real-time monitoring of CO and O₂ to guard against coal dust explosions.• Suitable for pulverizers, coal silos and conveying pipelines in power plants, cement kilns and steelread more
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Online Biogas Analysis SystemTThe LT-9500EX Laser Oxygen Analyzer is a mission-critical safety instrument designed for continuous, real-time monitoring of oxygen concentration in industrial gas pipelines, including blast furnaceread more
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Online Oxygen AnalyzerEnsure process safety and regulatory compliance with our ATEX-certified online oxygen monitoring system, engineered for continuous, real-time O₂ analysis in hazardous industrial environments.read more
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CEMS AnalyzerFull-Range Emission Monitoring & Expandable Detection- Supplies continuous, real-time monitoring of core flue gas and environmental indicators- Features flexible expandable functions to adapt toread more
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Online VOC Monitoring System1. The LT-1000 is a fully certified online volatile organic compounds (VOCs) monitoring system.2. It is designed for continuous, compliant measurement in explosive atmospheres.3. Typical applicationread more
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Greenhouse Gas Online Monitoring SystemThe LT-5000 Greenhouse Gas Monitoring System integrates CRDS and TDLAS technologies.It enables simultaneous monitoring of trace greenhouse gases.The instrument provides ultra-sensitive detection atread more
Online Gas Analysis System Product Portfolio
We offer different online gas analysis systems according to the gas components, measurement conditions and monitoring objectives of each industrial process.
Process Gas Analysis Systems
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Designed for continuous monitoring of process gases in industrial production and energy conversion processes.Typical applications include:
- Syngas and process gas monitoring
- Furnace and combustion gas analysis
- Coal gas and industrial gas analysis
- Multi-component process gas measurement
Related Products: Gas Process Analysis System
Flue Gas & Emission Analysis Systems
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Designed for continuous monitoring of combustion and flue gas emissions to support process control and environmental monitoring.Typical measurements include:
- SO₂
- NOx
- O₂
- CO
- CO₂
- NH₃
- Particulate matter and other parameters depending on the system
Related Products: CEMS Analyzer,
High Temperature UV Flue Gas Analyzer,
Flue Gas Mercury Monitoring SystemOxygen & Combustion Monitoring Systems
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Online oxygen analysis systems provide continuous O₂ measurement for combustion control, process optimization and safety monitoring.Applications include:
- Industrial boilers
- Furnaces and kilns
- Heat treatment processes
- Combustion optimization
- Inerting and oxygen-deficiency monitoring
Related Products: Online Oxygen Analyzer,
Gas Laser Oxygen Content Analysis SystemVOC & Hazardous Gas Monitoring Systems
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Designed for continuous monitoring of volatile organic compounds and specific hazardous gases in industrial environments.These systems can be configured for:
- VOC monitoring
- Combustible gas monitoring
- Toxic gas monitoring
- Process safety monitoring
Related Products: Online VOC Monitoring System
Biogas & Renewable Gas Monitoring Systems
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Online gas analysis systems can be configured for continuous monitoring of biogas and other renewable gas streams.Typical measurements include:
- CH₄
- CO₂
- O₂
- H₂S
- Other gases according to process requirements
These measurements help operators monitor gas composition and process conditions in biogas production and waste-to-energy applications.

Gas Analysis Technologies & Measured Components
- NDIR Gas Analysis: Measures CO, CO₂, and CH₄ for combustion control, process gas, and biogas monitoring.
- UV Gas Analysis: Measures SO₂ and NOx, suitable for high-temperature flue gas emission monitoring.
- Laser Gas Analysis: Enables continuous, selective analysis of specific gases including oxygen and other target components.
- Zirconia Oxygen Analysis: Continuous O₂ monitoring for combustion and high-temperature industrial processes.
- Electrochemical Analysis: Compact sensors for selected gas measurements in application-specific monitoring, including H₂S and safety applications.
- TCD Gas Analysis: Thermal conductivity detection for process gas and multi-component gas mixture analysis.
Technical Capabilities for Industrial Gas Monitoring
- Continuous Online Measurement: Real-time monitoring of industrial gas streams without manual sampling.
- Gas Sampling & Pretreatment: Configurable based on gas temperature, dust, moisture, and process conditions. Functions include filtration, cooling, dehumidification, dust removal, condensate management, and temperature control.
- High-Temperature Gas Measurement: Specific analyzer and sampling configurations for high-temperature flue gas and industrial processes.
- Multi-Component Gas Analysis: Monitor multiple gas components in a single system, depending on analyzer technology.
- Custom Measuring Ranges: Measurement ranges configured to match gas concentration and process requirements.
- Industrial Communication & Integration: Seamless integration with industrial control platforms via 4–20 mA, RS-485, Modbus, and PLC/DCS interfaces.

Industrial Applications
LTHZ online gas analysis systems are widely used across industrial processes requiring continuous gas composition data.




- Steel & Metallurgy: Monitoring of furnace and process gases, combustion conditions, and oxygen concentration. Applications include blast furnace gas analysis, coke oven gas analysis, converter gas monitoring, and oxygen analysis.
- Power Generation: Support for boiler combustion monitoring and flue gas emission measurement, covering key parameters including O₂, SO₂, NOx, CO, and CO₂.
- Chemical & Petrochemical: Continuous gas analysis for process control, gas composition monitoring, VOC monitoring, combustion monitoring, and safety-related gas monitoring.
- Cement, Glass & Ceramics: High-temperature and process gas monitoring for combustion optimization and emission monitoring in kilns and furnaces.
- Waste-to-Energy & Biomass: Monitoring of combustion gases, flue gas emissions, and gas composition in waste-to-energy and biomass processes.
- Biogas & Renewable Energy: Continuous monitoring of CH₄, CO₂, O₂, H₂S, and other gases to support biogas production and gas quality control.
Which Online Gas Analysis System Do You Need?
| Application Requirement | Typical Monitoring | Recommended System |
| Flue gas emission monitoring | SO₂ / NOx / O₂ / CO₂ | CEMS Analyzer |
| High-temperature flue gas | NOx / SO₂ / O₂ and other gases | High Temperature UV Flue Gas Analyzer |
| Coal mill safety | CO / O₂ | Coal Mill CO Online Monitoring System |
| Industrial process gas | Multiple process gases | Gas Process Analysis System |
| Oxygen monitoring | O₂ | Online Oxygen Analyzer |
| VOC emission monitoring | VOCs | Online VOC Monitoring System |
| Biogas monitoring | CH₄ / CO₂ / O₂ / H₂S | Online Biogas Analysis System |
| Greenhouse gas monitoring | CO₂ / CH₄ and other gases | Greenhouse Gas Online Monitoring System |
Share your gas components, expected concentration range, process temperature, pressure, moisture and dust conditions. Our engineers will recommend a suitable online gas analysis configuration for your application.
Related Industrial Gas Monitoring Solutions
CEMS Emission Monitoring Solution
Continuous monitoring of flue gas parameters for industrial emission monitoring and process management.
Particulate Matter Emission Monitoring Solution
Continuous particulate monitoring for industrial processes and emission control applications.
Explore Particulate Monitoring Solution →
Ammonia Injection Monitoring Solution
Gas analysis for monitoring ammonia-related parameters in flue gas treatment processes.
Explore Ammonia Monitoring Solution →
Process Gas Monitoring Solution
Customized gas analysis systems for continuous monitoring of industrial process gases.
Explore Process Gas Solution →
Why Choose LTHZ for Online Gas Analysis Systems?
Application-Oriented Selection
Analyzer technology, measuring range, and sampling configuration matched to actual gas composition and process conditions.
Multiple Analysis Technologies
Full portfolio covering process gas, flue gas, oxygen, VOC, and other gas measurement applications.
Customized Monitoring Systems
Gas components, measuring ranges, sampling/pretreatment systems, installation methods, and communication interfaces fully customizable to project requirements.
Industrial Application Experience
Proven performance in power generation, steel, metallurgy, chemical processing, cement, waste-to-energy, and other process industries.
System Integration Support
Analyzers designed for seamless integration with industrial monitoring and control systems, including PLC and DCS environments.
Full-Cycle Technical Support
End-to-end assistance from application evaluation and analyzer selection to system configuration and after-sales support.
FAQ
Q: What is an online gas analysis system?
A: A system that continuously measures one or more gas components in industrial gas streams, providing real-time data for process monitoring, control, safety, or emission management.
Q: What gases can an online gas analyzer measure?
A: LTHZ systems can measure O₂, CO, CO₂, CH₄, H₂, SO₂, NOx, NH₃, H₂S, and VOCs, depending on analyzer technology and configuration.
Q: What is the difference between an online and laboratory gas analyzer?
A: Online analyzers are designed for continuous, real-time measurement directly in or near industrial processes, while laboratory analysis relies on periodic sampling and off-line testing.
Q: Can an online gas analysis system be customized?
A: Yes. Gas components, measuring ranges, sampling/pretreatment systems, installation configurations, and communication interfaces can all be tailored to your application.
Q: Can the analyzer connect to a PLC or DCS?
A: Yes. Depending on the model and configuration, interfaces including 4–20 mA, RS-485, and Modbus are available for seamless integration with industrial control systems.
Q: How do I select an online gas analysis system?
A: Key selection factors include gas components, concentration range, process temperature, pressure, dust/moisture conditions, sampling distance, installation environment, and required communication method.
Get the Right Online Gas Analysis System for Your Application
Looking for an online gas analysis system supplier for your industrial process?
Send us your gas components, expected concentration range, process temperature and pressure, sampling conditions and application requirements. LTHZ can help evaluate the measurement conditions and recommend a suitable online gas analysis system, analyzer technology and sampling configuration for your project.
Contact LTHZ for an Online Gas Analysis Solution →
As one of the leading online gas analysis system manufacturers and suppliers in China, we also support customized service. Please feel free to buy high quality online gas analysis system made in China here from our factory. Welcome to view our website for more information.
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