ZY6282B-FTIR Fourier Smoke Toxic Gas Analysis / Gas Analyser
Highlights
1. Analysis of 400+ Gas Species
A comprehensive gas model library supports the analysis of more than 400 gases, including combustible gases, organic and inorganic compounds, greenhouse gases, NOx, O₂, O₃, H₂, HCl, HF, SO₂, SO₃, NH₃, PF₅, PH₃ and other components.
2. High Accuracy and Excellent Repeatability
With an accuracy of ±2% and repeatability of RSD <0.1%, the analyzer provides stable and reproducible measurements for demanding multi-component gas analysis.
3. Broad Spectral Detection Range
The detector covers a spectral range of 4500–800 cm⁻¹, providing access to characteristic infrared absorption features of a broad range of gas molecules.
4. Long-Path Gas Cell
A gas-cell optical path length of more than 5 meters increases the effective absorption path and enhances the detection capability for infrared-active gas components.
5. Automatic Optical Path Cleaning
The analyzer features a fully automatic optical-path circulation cleaning system. No zero gas or nitrogen purging is required for cleaning, helping maintain a dry, clean and stable optical system.
6. Continuous Online Measurement
Based on a single-optical-path direct-reading principle, the system requires no zero-gas calibration or zero-gas purging, making it suitable for long-duration online measurements.
7. Stable Infrared Light Source
The integrated infrared source delivers strong and stable performance while minimizing the need for frequent light-source replacement.
8. Digital MCT Detector Without Liquid Nitrogen
A digital mercury cadmium telluride (MCT) detector provides infrared detection without liquid-nitrogen consumption, simplifying routine operation and maintenance.
9. Advanced 2D Spectral Fitting
Real-time spectra are processed through pure-spectrum extraction and two-dimensional fitting against standard models. Quantitative analysis can therefore be performed without establishing conventional calibration curves.
Method
Fourier Transform Infrared Spectroscopy for Multi-Component Gas Analysis
The analyzer uses FTIR direct-reading spectroscopy to identify and quantify multiple gaseous components.
The sample gas is introduced into the heated gas cell through the sampling system. Infrared radiation passes through the gas sample, where individual molecules absorb radiation at characteristic spectral regions.
The detector records the resulting infrared spectrum across the measurement range. Dedicated gas analysis software then processes the spectrum and extracts the spectral information associated with individual components.
For complex gas mixtures, overlapping spectral signals can be separated and independently extracted. The measured spectrum is subsequently analyzed against standard reference models using two-dimensional spectral fitting.
The software supports mathematical calibration models and nonlinear least-squares analysis rather than CLS or PLS methods. Gas concentrations can be displayed continuously, allowing users to observe changes in all measured components on the same time axis.
Typical Measurement Workflow
Gas Sampling → Heated Sample Transfer → FTIR Gas Cell → Infrared Spectral Acquisition → Spectral Separation & Model Fitting → Multi-Component Concentration Results
The heated sampling probe and heated transfer line help reduce condensation during sample transport, while the analysis software performs spectral processing and real-time concentration calculation.
Specifications
| Component | Configuration |
|---|---|
| FTIR Analysis System | Multi-component FTIR gas analyzer supporting 400+ gas species |
| Optical System | 4500–800 cm⁻¹ spectral range and >5 m gas cell optical path |
| Detector | Digital MCT detector, no liquid nitrogen required |
| Gas Cell | Heated gas cell, sample temperature <195°C and pressure <2 bar |
| Cleaning System | Fully automatic optical-path circulation cleaning, no zero gas or nitrogen purging required |
| Sampling Probe | 1 m heated probe, Ø8 mm ID, Ø25 mm OD, temperature resistance up to 600°C |
| Portable Sampling Probe | 2 μm ceramic filter, 100–180°C adjustable heating, temperature resistance up to 600°C |
| Heated Sample Line | 3 m heated transfer line with four-layer thermal insulation |
| Analysis Software | Spectral extraction, 2D model fitting, spectrum display and real-time concentration monitoring |
| Gas Model Library | 300+ built-in gas models for H₂/O₂ systems, hydrocarbons, aromatics, inorganic gases and other gases |
Consultancy & Sales
Do you have further questions about the instrument or the method and would like to speak to a sales representative?
Service & Support
Do you already have an instrument and need technical support or spare parts?
Related Apparatus
ZY6257A Large Scale Oxygen Consumption Calorimetry for High-speed Craft
Furniture Flammability Testing Apparatus
Textile Fabrics Vertical Flammability Test Apparatus
