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Optical Analysis
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The Instrava portable gas analyzer is a professional multi-gas detection instrument designed for industrial processes, providing fast and reliable measurement of combustible gases, toxic gases, and oxygen levels. Equipped with advanced infrared absorption, electrochemical, and catalytic sensors, it ensures high sensitivity, strong anti-interference, and stable readings even in challenging industrial environments.
This compact yet powerful instrument allows continuous or intermittent monitoring of up to 16 gases simultaneously, making it ideal for boilers, kilns, cement plants, incinerators, and chimneys. Its large high-resolution touch LCD display, intuitive menu interface, and sound/light alarms ensure safe and user-friendly operation, allowing engineers and industrial safety managers to make quick decisions based on real-time data.
Key Advantages
Real-time detection of up to 16 gases
Pump-suction type sampling with high-power pumping function
Electrochemical, catalytic, and infrared laser sensors for accurate and selective measurement
3000 alarm record query for easy data management
Compact and portable design with large touch screen interface
Continuous operation for >8 hours with rechargeable lithium-ion batteries
Optical Analysis Description
Industrial Applications of the Portable Gas Analyzer
The Instrava portable gas analyzer is suitable for a wide range of industrial gas monitoring scenarios:
Boilers and Furnaces – monitor combustion efficiency and gas emissions
Industrial Waste Gas Analysis – continuous or periodic monitoring
Rotary Kilns & Cement Kilns – detect combustible and toxic gases in production
Incinerators & Chimneys – measure flue gas concentration for environmental compliance
High-Temperature Process Monitoring – optional high-temperature sampling and cooling filters
This instrument is ideal for industrial safety engineers, environmental inspectors, and process control managers who require accurate and portable gas analysis in various production settings.


Advanced Sensor Technology for Accurate Multi-Gas Detection
The portable gas analyzer integrates multiple sensor technologies:
Electrochemical sensors for toxic gas detection
Catalytic sensors for combustible gases
Infrared laser sensors for precise multi-component gas measurement
Performance Highlights
Linear error: ±2% F.S
Repeatability: ±2%
Stability: Zero drift ≤ ±1% F.S./24h
Response time: 30 seconds
Warm-up time: 90 seconds
These features ensure reliable measurement and rapid response in industrial flue gas, emissions monitoring, and hazardous gas detection.
Optical Analysis Parameter
| Parameter | Specification |
|---|---|
| Product Type | Portable Multi Gas Analyzer |
| Detection Principle | Electrochemical / Catalytic / Infrared Laser |
| Measurable Gases | Up to 16 gases simultaneously |
| Linear Error | ≤ ±2% F.S |
| Repeatability | ≤ ±2% |
| Response Time | 30 seconds |
| Warm-Up Time | 90 seconds |
| Sample Temperature | -20°C ~ 50°C (optional high-temp up to 800°C with pretreatment) |
| Working Temperature | -10°C ~ 55°C |
| Humidity | 5–90% RH (non-condensing) |
| Display | Large touch LCD color screen |
| Alarm | Sound and light warning |
| Sampling Method | Pump-suction type |
| Battery | Lithium-ion 3.6V / 7.2V rechargeable |
| Working Time | >8 hours continuous |
| Dimensions | 293 × 109 × 209 mm |
| Weight | 4.75 kg |
| Power Supply | 8.4V rechargeable battery |
| Warranty | 1 year |
Instrava OEM/ODM
At Instrava, our instruments are developed with a strong focus on real industrial applications. Each product is designed to operate as a reliable component within measurement, control, and automation systems, rather than as a standalone device.
Our engineering team supports customers during product selection by evaluating process conditions, operating environments, and system requirements, ensuring stable and long-term performance in actual use.
In addition to standard configurations, Instrava offers flexible customization options, including measurement range, materials, output signals, communication interfaces, and installation methods. All custom solutions are engineered to meet industrial standards and application-specific demands.
We also support OEM projects and system integration, providing consistent product design, technical documentation, and long-term supply to ensure smooth integration and reliable operation throughout the project lifecycle.

A portable gas analyzer is a handheld device designed for industrial multi-gas detection, allowing real-time measurement of combustible, toxic, and oxygen gases. It is widely used in boilers, kilns, incinerators, and chimneys to monitor gas concentrations and ensure safety compliance and process control.
Most high-end portable gas analyzers can measure up to 16 gases at the same time, including NO₂, CO, CO₂, CH₄, SF₆, and other industrial gases. Custom sensors can be added to monitor additional gases depending on the application.
Portable gas analyzers use advanced sensing methods such as:
Electrochemical sensors for toxic gas detection
Catalytic sensors for combustible gases
Infrared laser sensors for precise multi-component gas analysis
These sensors ensure high accuracy, low drift, and strong anti-interference, suitable for harsh industrial environments.
Depending on the battery configuration, most industrial portable gas analyzers operate over 8 hours continuously on a full charge. Rechargeable lithium-ion batteries (3.6V or 7.2V) allow long field usage and quick recharging for uninterrupted monitoring.
Yes. With optional high-temperature sampling and cooling filters, the portable flue gas analyzer can measure gas concentrations in samples up to 800°C. This feature makes it ideal for boilers, cement kilns, and industrial incinerators.
Industries that require on-site, real-time gas monitoring benefit from using a portable multi gas analyzer, including:
Power plants and boilers
Cement and rotary kilns
Industrial furnaces and incinerators
Environmental monitoring and waste gas analysis
Chemical manufacturing and processing
Using a portable gas analyzer ensures worker safety, regulatory compliance, and accurate process control.
By choosing Instrava, you gain a partner with a deep understanding of industrial applications and the expertise to meet today’s operational challenges.
Our role extends beyond products—we support your success through dependable solutions and long-term commitment.
Innovation at Instrava is guided by real industrial requirements. We continuously refine our technologies to address evolving operational challenges, ensuring practical and reliable performance in demanding environments.
We provide engineering-level customization to match specific process conditions. From measurement range and materials to output signals and installation options, our solutions are configured to fit real applications.
Quality and reliability are fundamental to every Instrava product. Manufactured under strict quality control and thoroughly tested, our instruments deliver accurate, stable, and long-term performance.
Instrava combines global engineering expertise with responsive local support, ensuring our partners benefit from internationally aligned technology and timely regional service.
Our broad portfolio of measurement and control instruments enables us to address a wide range of industrial needs, providing integrated solutions from a single, reliable source.
We work closely with our partners from technical consultation to after-sales support. Our focus is on delivering solutions that create lasting value and support long-term operational success.
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