Introduction
TDL laser gas analysis system ESE-LASER-100 uses the whole process of high temperature combined heat extraction to monitor HCL/HF/NH3 gas in sample gas.The system consists of a sampling unit, a transmission unit, a preprocessing unit, a control unit, and an analysis unit. The analysis unit uses TDLAS technology.
Based on the principle of tunable laser absorption spectroscopy (TDLAS), laser gas analyzer scans and analyzes the gas absorption spectrum lines of specific wavelength, and realizes the gas concentration measurement by combining the digital lock-in amplifier and the advanced technology such as long path gas chamber. ESE-LASER series can realize high resolution, high precision, stable and reliable measurement of trace gases, and meet the requirements of process analysis and environmental detection.
| Measured gas | HCL/HF/NH3 |
| Method | Tunable Diode Laser Spectrometry (TDLAS) |
| Range | HCL/HF: 0-50ppm，0-100ppm,0-500ppm（ Customized）
NH3:Above 20ppm |
| Accuracy | ± 1% full scale reading depending on integration stability (temperature & pressure) |
| Precision | 1ppm |
| Displayed resolution | 0.1ppm |
| Response time | Less than 15S (at gas flow rate of 3 L/min) |
| Sampling Gas Temperature | ≥180℃ |
| Analog Output | 4`20mA DC, Insulating output, maximum load is 900 ohm, |
| Digital Output | RS232/485 |
| Power Supply | 90-240VAC / 50/60Hz 120W |
| Warm up time | 30 minutes |
| Interface | RS232 |
| Ambient Temperature | Temp：-10-50℃ Humidity：0-90%RH |
| Dimension | 760(H)×500(L)×255(W)mm(analysis cabinet)
700(H)×450(L)×210(W)mm(control cabinet) |
Applications
A TDL (Tunable Diode Laser) laser gas analysis system is a gas monitoring and analysis solution that utilizes the TDLAS (Tunable Diode Laser Absorption Spectroscopy) technique. It is designed to measure and analyze the concentration of specific gases in various applications, including industrial processes, environmental monitoring, and research. solution that utilizes the TDLAS (Tunable Diode Laser Absorption Spectroscopy) technique. It is designed to measure and analyze the concentration of specific gases in various solution that utilizes the TDLAS (Tunable Diode Laser Absorption Spectroscopy) technique. It is solution that utilizes the TDLAS (Tunable
Key components and features of a TDL laser gas analysis system typically include:
Laser Source: The system incorporates a tunable diode laser as the light source. The laser emits light at specific wavelengths that correspond to the absorption lines of the target gas to be analyzed.
Gas Measurement Cell: A gas measurement cell or sample chamber is used to contain the gas sample being analyzed. The laser beam passes through this cell, and the gas molecules absorb specific wavelengths of light based on their concentration.
Detector: A photodetector or photodiode detects the intensity of the laser light after it has passed through the gas sample. The detector measures the amount of light absorbed by the gas, which is used to determine the gas concentration.
Optical Path and Beam Alignment: The system includes an optical path that ensures the laser beam passes through the gas sample cell accurately. Beam alignment is crucial to optimize the measurement accuracy and stability.
Signal Processing and Analysis: The detected signal is processed and analyzed to calculate the concentration of the target gas. This involves comparing the absorbed light intensity to a reference measurement and applying calibration algorithms to obtain accurate results.
Data Display and Communication: TDL laser gas analysis systems often include displays to show real-time gas concentrations and system status. They may also have communication interfaces for data logging, remote monitoring, and integration with control systems.
Advantages of TDL laser gas analysis systems include high precision, fast response time, wide dynamic range, and high selectivity for specific gases. They are particularly well-suited for trace gas analysis and applications where real-time measurements and robust performance are essential.
The specific configuration and capabilities of a TDL laser gas analysis system may vary depending on the manufacturer and the intended application. It is important to consider factors such as the target gas, measurement range, accuracy requirements, environmental conditions, and any industry-specific compliance standards when selecting a TDL laser gas analysis system. manufacturer and the intended application. It is important to consider factors such as the target gas, measurement range, accuracy requirements, environmental conditions, and any industry-specific compliance standards when selecting a TDL laser gas analysis system manufacturer and the intended application. It is important to consider factors such as the target gas, measurement
Measuring carbon dioxide (CO2) is important for understanding the role it plays in the environment and its effect on climate change. CO2 is a major component of Earth’s atmosphere, and it traps heat like a blanket, causing global temperatures to rise. Too m uch CO2 can lead to drastic changes in our weather patterns and ecosystems, so monitoring its levels is essential for predicting future climate conditions. Additionally, measuring CO2 can help us better understand our impact on the environment and make informed decisions about how to reduce emissions and slow down down down down down global warming. By analyzing CO2 data over time, we can develop strategies to mitigate the effects of climate change and ensure a sustainable future.
Before industrialization, the global average annual atmospheric carbon dioxide concentration was 278ppm (1ppm is one part per million). In 2012, the global annual average atmospheric carbon dioxide concentration was 393.1ppm. By April 2014 , the monthly average carbon dioxide concentration in the northern hemisphere atmosphere exceeded 400ppm for the first time. . 2. Global climate warming, the continuous aggravation of the atmospheric greenhouse effect leads to global climate warming, resulting in a series of global climate problems that cannot be predicted by today’s science. According to the International Climate Change Economics Report, if human beings maintain the current way of life, by 2100, there will be a 50% chance that the global average temperature will rise by 4°C.
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