
Choisir la bonne solution d'analyse optique des gaz : Un guide industriel complet
Selecting the right gas analysis system is crucial for ensuring safety, compliance, and efficiency across multiple industries. Optical gas analysis...
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Le online gas analyzer from Instrava is designed for continuous industrial gas monitoring, using advanced NDIR (Non-Dispersive Infrared) technology to accurately measure gases such as CO, CO₂, CH₄, C₃H₈, SO₂, and NO. The analyzer can simultaneously calculate gas calorific value, Il s'agit donc d'une solution idéale pour combustion efficiency analysis and industrial process optimization.
Le présent industrial online gas analyzer is built for 24/7 continuous monitoring, offering fast response times, high measurement stability, and strong anti-interference capability. The system automatically samples and analyzes gas compositions, enabling engineers to obtain données de concentration de gaz en temps réel for process control and safety monitoring.
Equipped with imported NDIR infrared sensors and thermal conductivity sensors, the analyzer provides high-accuracy gas measurement with minimal drift, ensuring reliable operation in demanding industrial environments such as steel plants, gasification systems, and chemical production facilities.
Analyse optique Description
Online Gas Analysis for Industrial Process Control and Energy Monitoring
Le online gas analyzer system is widely used in industries where continuous monitoring of combustible gas composition and calorific value is critical.
Les applications typiques sont les suivantes
Steel plants – monitoring blast furnace gas and converter gas
Coal gasification systems – analyzing synthesis gas composition
Usines chimiques – process gas monitoring and optimization
Biomass gasification – measuring bio-gas components
Energy efficiency monitoring – evaluating combustion efficiency
Industrial fuel gas monitoring – coke oven gas, mixed gas, producer gas
The analyzer can measure CO, CO₂, CH₄, H₂, hydrocarbons (CnHm), and O₂ concentrations while calculating heating values (MJ/m³ or kcal/m³). Advanced algorithms automatically correct cross-gas interference, ensuring accurate gas composition analysis even when multiple gases coexist.
Son standard 3U rack-mount design with aluminum alloy housing makes it easy to install in industrial control cabinets and monitoring systems.


Advanced NDIR Technology and Intelligent Gas Analysis System
Le Instrava online gas analyzer integrates intelligent analysis software and advanced sensor technology to ensure stable and precise gas measurements.
Key features include:
Dual-beam NDIR infrared sensors for precise gas detection
Thermal conductivity detection for hydrogen measurement
Automatic cross-gas interference correction
Automatic sampling and analysis without consumables
Fast response time for real-time process monitoring
L'analyseur prend en charge automatic calorific value calculation and allows users to switch between MJ/m³ and kcal/m³ units. Built-in software provides data logging, historical data query, and USB export, helping engineers analyze long-term gas composition trends.
Avec RS-232 digital output and 4-20mA analog output, the analyzer can easily integrate with PLC, DCS, and industrial monitoring systems, enabling centralized process control and remote monitoring.
The system also features modular hardware design and remote software upgrades, ensuring long-term flexibility for evolving industrial monitoring needs.
Paramètre d'analyse optique
| Paramètres | Spécifications |
|---|---|
| Type de produit | Online Gas Analyzer |
| Measurement Technology | NDIR Non-Dispersive Infrared |
| Gaz mesurés | CO, CO₂, CH₄, C₃H₈, SO₂, NO |
| Plage de mesure | CO/CO₂/CH₄/C₃H₈ : 0-100% ; SO₂/NO : 0-5% |
| Résolution | 0.01% (Low range up to 1 ppm) |
| Précision | ≤ ±1% F.S |
| Répétabilité | ≤1% |
| Temps de réponse | (TD+T90) < 10 s |
| Sampling Flow Rate | 0.7 – 1.2 L/min |
| Pression d'entrée | 2 – 50 kPa |
| Besoins en gaz de l'échantillon | Sans poussière, sans humidité, sans huile |
| Sortie du signal | RS-232 digital output / 4-20 mA analog |
| Alimentation électrique | AC 220V / 50 Hz |
| Installation | Standard 3U rack mounting |
| Operation Mode | Continuous 24/7 monitoring |
Instrava OEM/ODM
Des instruments fiables. Des solutions adaptées à votre application.
Instrava se concentre sur la fourniture de solutions industrielles fiables grâce à des produits soigneusement sélectionnés, à une optimisation axée sur les applications et à une personnalisation flexible. Nous sélectionnons des instruments éprouvés auprès de fabricants de confiance afin de garantir une qualité constante, nous optimisons les solutions en fonction des conditions de travail réelles afin de résoudre les problèmes pratiques, et nous fournissons des configurations sur mesure pour répondre aux besoins d'applications spécifiques.
En combinant l'expertise en matière de sélection et la compréhension des applications, Instrava aide ses clients à réduire les risques, à améliorer l'efficacité et à obtenir des résultats fiables dans des environnements industriels complexes.

What is an online gas analyzer used for?
Un online gas analyzer is used for continuous monitoring of industrial gas compositions in real time. It helps industries measure gases such as CO, CO₂, CH₄, and SO₂ in combustion systems, gasification processes, and industrial emissions to ensure process efficiency and safety compliance.
How does an NDIR online gas analyzer work?
Un NDIR online gas analyzer measures gas concentration based on infrared absorption at specific wavelengths. Each gas absorbs infrared energy differently, allowing the analyzer to determine its concentration with high precision and strong resistance to interference.
Which gases can an online gas analyzer detect?
Un exemple typique industrial online gas analyzer can detect gases including CO, CO₂, CH₄, C₃H₈, SO₂, and NO, while also calculating gas calorific value for combustion efficiency analysis in fuel gas systems.
Can an online gas analyzer run continuously?
Yes. Industrial online gas analyzers sont conçus pour 24/7 continuous monitoring. With automatic sampling and real-time analysis, they provide stable gas measurements for long-term industrial operation.
How is an online gas analyzer connected to industrial control systems?
La plupart des online gas analyzers support 4-20mA analog outputs and RS232/RS485 digital communication, allowing easy integration with PLC, DCS, and SCADA systems for centralized process monitoring.
What industries use online gas analyzers?
Les industries qui s'appuient sur fuel gas monitoring and combustion optimization commonly use online gas analyzers, including:
Steel and metallurgical plants
Usines chimiques et pétrochimiques
Coal and biomass gasification facilities
Energy efficiency monitoring systems
Environmental emissions monitoring
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Construit sur la cohérence, pas sur les revendications
Nous sommes spécialisés dans l'analyse et la détection industrielles, avec une compréhension claire des environnements d'exploitation et des exigences du monde réel.
Chaque instrument est évalué en fonction de ses performances, de sa stabilité et de son adéquation à l'application, et non pas seulement en fonction de ses spécifications ou de son prix.
Nous travaillons avec des fabricants de confiance pour garantir un approvisionnement stable, une qualité constante et une livraison fiable.
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