NH3 / HCL / HF / CO Trace Gas Analyzer For Atmospheric Research

Product Specification

Trace gas analyzer TDLAS technology ppb to ppm measurement Online 19"4U type

A trace gas analyzer is an instrument specifically designed to detect and measure the concentration of trace gases in a sample. Trace gases are gases that exist in very low concentrations within a mixture or atmosphere and are often of interest due to their impact on environmental, industrial, or biological processes.

Here are some key points about trace gas analyzers:

1. Detection Techniques: Trace gas analyzers employ various detection techniques depending on the specific gas being measured. Common techniques include:

- Gas Chromatography (GC): GC separates gas components based on their interaction with a stationary phase and measures their concentrations using detectors such as thermal conductivity detectors (TCD), flame ionization detectors (FID), or mass spectrometers (MS).
- Spectroscopy: Spectroscopic techniques such as infrared spectroscopy (IR), ultraviolet-visible spectroscopy (UV-Vis), and laser-based techniques like cavity ring-down spectroscopy (CRDS) and tunable diode laser absorption spectroscopy (TDLAS) can be used to identify and quantify trace gases based on their absorption or emission of specific wavelengths of light.
- Electrochemical Sensors: Electrochemical sensors are commonly used for detecting and measuring trace gases such as carbon monoxide (CO), ozone (O3), and various volatile organic compounds (VOCs).
- Ion Mobility Spectrometry (IMS): IMS is a technique that ionizes gas molecules and measures their drift time through a drift tube to identify and quantify trace gases.

2. Sensitivity and Selectivity: Trace gas analyzers are designed to achieve high sensitivity and selectivity to detect and measure gases even at extremely low concentrations. They often employ advanced signal processing techniques and calibration methods to enhance accuracy and minimize interference from other gases.

3. Sample Handling: Trace gas analyzers may require sample pre-treatment or conditioning to remove contaminants or moisture that could interfere with the measurement. In some cases, gas samples are extracted from a larger system or environment and introduced into the analyzer for analysis.

4. Applications: Trace gas analyzers find applications in a wide range of fields, including environmental monitoring, atmospheric research, industrial process control, healthcare, and scientific research. They are used to monitor and quantify trace gases such as greenhouse gases (e.g., carbon dioxide, methane), air pollutants (e.g., nitrogen oxides, sulfur dioxide), volatile organic compounds (VOCs), and other species of interest.

5. Calibration and Maintenance: Regular calibration and maintenance are essential for ensuring accurate and reliable measurements with trace gas analyzers. Calibration is typically performed using certified gas standards, and routine maintenance includes cleaning, replacing consumables, and verifying instrument performance.

It's important to note that the specific features, capabilities, and measurement ranges of trace gas analyzers can vary depending on the instrument model and manufacturer. Therefore, it is recommended to consult the manufacturer's documentation or user manual for detailed information on a particular trace gas analyzer.

Trace gas analyzer TDLAS technology ESE-LASER-U500 model based on the principle of tunable semiconductor laser absorption spectroscopy (TDLAS), laser gas analyzer scans and analyzes the gas absorption lines of specific wavelength, and realizes the gas concentration measurement by combining the digital lock-in amplifier and the advanced technology of long optical path. laser gas analyzer can realize high resolution, high precision, stable and reliable measurement of trace gases, and meet the requirements of process analysis and environmental monitoring

Features

☑ ppb ultra high sensitivity Spectrum single line scanning, precise lock test wavelength

☑ Automatic compensation of atmospheric temperature, pressure and humidity

Applications

☑ Trace gas measurement

☑ Greenhouse gas measurement

☑ Measurement of gas emission plume diagram

☑ Air quality monitoring