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High Accuracy Process Gas Analyser O2 CH4 CO CO2 H2 Continuous Hydrogen Analyzer

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High Accuracy Process Gas Analyser O2 CH4 CO CO2 H2 Continuous Hydrogen Analyzer

Country/Region china
City & Province wuhan
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Product Details

Continuous Gas Analyzers NDIR sensor O2 CH4 CO CO2 H2 methane gas analyser Hydrogen gas analyser

 

Continuous gas analyzers, also known as online gas analyzers or in-line gas analyzers, are instruments designed for continuous monitoring and analysis of gases in various applications. They are used in industrial processes, environmental monitoring, research laboratories, and other settings where real-time gas analysis is required


Here are some key features and characteristics of continuous gas analyzers:


1. Continuous Monitoring: Continuous gas analyzers operate continuously, providing real-time measurements of gas concentrations and other parameters. They offer continuous monitoring and allow for immediate detection of changes or deviations in gas composition.


2. Multi-Component Analysis: Many continuous gas analyzers are capable of analyzing multiple gas components simultaneously. They can measure various gases, including oxygen (O2), carbon dioxide (CO2), carbon monoxide (CO), nitrogen oxides (NOx), sulfur dioxide (SO2), hydrocarbons, and other specific gases relevant to the application.


3. Sampling Systems: Continuous gas analyzers typically incorporate sampling systems to extract gas samples from the process or environment being monitored. These sampling systems may include sample probes, filters, temperature and pressure regulators, and sample conditioning components to ensure accurate and representative gas sampling.


4. Gas Detection Technologies: Continuous gas analyzers utilize different gas detection technologies based on the gases being measured. Some common techniques employed by these analyzers include:


- Infrared (IR) Absorption: IR analyzers use the absorption characteristics of gases in the infrared region to measure gas concentrations. They are particularly useful for gases such as CO2, CO, hydrocarbons, and specific compounds.
- UV technology:UV-based technology is widely used for measuring SO2, NO and NO2 levels due to its cost-effectiveness and accuracy. It has a high degree of precision and can measure even lower concentrations of these gases. However, one major advantage is that it can directly measure NO2; instead, infrared gas analyzer needs to be converted NO2 into NO first before it can be measured. This conversion process can be costly and time-consuming.
- Electrochemical Sensors: These sensors employ chemical reactions to detect and measure specific gases. They are commonly used for gases like O2, H2S, and other toxic gases.
- Paramagnetic or Thermal Conductivity: These techniques are used to measure the concentration of gases such as O2 or N2 in the gas stream.


5. Data Analysis and Display: Continuous gas analyzers provide real-time measurement data that can be displayed locally on a control panel or integrated into a larger control system. The analyzers may feature digital displays, graphical user interfaces (GUIs), or data logging capabilities to visualize and record gas concentrations, trends, alarms, and other relevant information.


6. Communication and Integration: Continuous gas analyzers often have communication interfaces such as analog outputs (e.g., 4-20 mA), digital protocols (e.g., Modbus, Profibus, Ethernet), or wireless connectivity options. This allows for integration with control systems, data acquisition systems, or other networked devices for remote monitoring, data logging, and control purposes.


7. Calibration and Maintenance: Regular calibration and maintenance are essential for ensuring the accuracy and reliability of continuous gas analyzers. They may require periodic sensor replacement, calibration procedures, and verification checks. Some analyzers feature automatic calibration routines or self-diagnostic capabilities to simplify the calibration and maintenance process.


The selection of a continuous gas analyzer depends on factors such as the specific gases to be monitored, the measurement range required, the environmental conditions, and any relevant industry standards or regulations. It is important to consult with manufacturers or experts to choose the most suitable analyzer for a particular application.

 

 

Process gas analyzer is an important tool in process safety and quality control. It helps to monitor and optimize the chemical composition of process gases. The gas analyzer market is segmented by type, technology, application, and geography.

 

Our gas analyzers high-stability infrared detector and TDL technology for the simultaneous measurement of CO, CO2, and CH4. These gases are suitable for challenging applications such as syngas and gasification atmospheres. In addition, analyzers may use a compensated thermal conductivity cell for H2. Electrochemical O2 sensors may also measure percent levels of oxygen in the sample gas stream.

 

INFRARED NDIR DETECTOR
GASLowest RangeHighest RangeLR resolutionHR resolutionAccuracy FS
CO0-5%0-100%0,001 %0,01 %≤ ±2%
CO20-5%0-100%0,001 %0,01 %≤ ±2%
CH40-5%0-100%0,001 %0,01 %≤ ±2%
CnHm0-10%0,001 %0,01 %≤ ±2%
 
THERMAL CONDUCTIVITY DETECTOR (TCD)
H20-20%0-100%0,01%0,01%≤ ±3%
 
ELECTROCHEMICAL DETECTOR (ECD)
O20-25%0,01 %0,01 %≤ ±3%

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