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In-Situ Laser Process Gas Analyzer (Single-Ended)
In-Situ Laser Process Gas Analyzer (Single-Ended)
In-Situ Laser Process Gas Analyzer (Single-Ended)
In-Situ Laser Process Gas Analyzer (Single-Ended)

In-Situ Laser Process Gas Analyzer (Single-Ended)

  • Keywords:in-situ laser gas analyzer, single-end gas analyzer, process gas monitoring, real-time gas analysis
  • Category:CO2 Analysis and Detection

The In‑Situ Laser Process Gas Analyzer (Single‑Ended) is a high‑precision, real‑time gas measurement instrument designed for direct installation on industrial process pipelines, ducts, and combustion systems. Using advanced tunable diode laser absorption spectroscopy (TDLAS), it performs non‑contact, fast‑response gas detection across a single optical path, requiring only one side of the installation point. This design eliminates the need for alignment between transmitter and receiver, significantly reducing installation complexity and maintenance requirements. The analyzer provides accurate measurement of gases such as O₂, CO, CO₂, NH₃, H₂O, HCl, and other process‑critical components. With excellent stability, strong anti‑interference performance, and suitability for high‑temperature, high‑dust, and corrosive environments, it is widely used in power plants, steel mills, cement kilns, chemical production, and environmental monitoring.

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Product Overview

The in-situ laser process gas analyzer (single-ended) is a high-performance gas analysis instrument based on Tunable Diode Laser Absorption Spectroscopy (TDLAS). It is specifically designed for in-situ gas measurement in harsh industrial environments, including high temperature, high dust, and corrosive conditions.

The analyzer operates without the need for gas sampling or pre-treatment systems, enabling direct, real-time measurement at the process site. It offers fast response, high accuracy, and excellent reliability, making it ideal for dynamic process monitoring and ensuring safe and stable industrial operations.

Working Principle

The analyzer utilizes TDLAS technology, where a laser beam at a specific wavelength passes through the target gas. Gas molecules absorb light at characteristic wavelengths, and the system determines gas concentration by measuring the attenuation of the laser intensity.

An integrated reference gas module provides dynamic calibration, effectively compensating for variations in temperature, pressure, and environmental conditions, ensuring accurate and stable measurement results.

Key Features

  • High Measurement Accuracy: TDLAS technology minimizes interference from background gases.
  • Single-Ended Design: One-sided installation without complex optical alignment, allowing easy setup.
  • Real-Time In-Situ Monitoring: No need for sampling or pre-treatment, enabling fast response and continuous measurement.
  • Dynamic Compensation: Built-in reference gas module automatically compensates for temperature and pressure variations.
  • Excellent Environmental Adaptability: Resistant to high temperatures, heavy dust, and corrosive conditions.

 

Applications

  • Petrochemical Industry: Online gas composition monitoring in high-temperature and corrosive environments for process optimization.
  • Iron & Steel Metallurgy: Real-time monitoring of gas concentrations during smelting to improve efficiency and control emissions.
  • Power Industry: Used in combustion gas analysis to enhance efficiency and reduce pollutants.
  • Environmental Protection: Continuous monitoring of industrial emissions to ensure regulatory compliance.
  • Coal Chemical Industry: Suitable for gas detection in high-temperature and high-dust environments, ensuring safe and stable operations.

 

Parameter Description
Measured Components O2, CO2, CO, CH4 (customizable)
Measurement Principle TDLAS
Measurement Range 0~2%VOL (customizable)
Accuracy ≤±1%F.S.
Repeatability ≤±1%
Resolution 0.01%VOL
Response Time T90≤4s
Operating Parameters
Ambient Temperature -20~60℃
Power Supply 24V DC
Purge Gas Source 0.3~0.8MPa industrial nitrogen
Interface Signal
Communication Interface RS-485
Output Mode 4~20mA

 

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In-Situ Laser Process Gas Analyzer (Single-Ended)In-Situ Laser Process Gas Analyzer (Single-Ended)

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