Applications

• SCR, incineration & combustion processes
• Emission monitoring: Power generation, engine development, waste incineration furnaces
• Environmental monitoring: Landfill & green-house gases, livestock, …
• Chemical engineering: Production control & monitoring…
• Safety: Leak detection, refrigeration, toxic gases, .
• Climate control & monitoring: Livestock, climate chambers & rooms

A TDL gas analysis system uses Tunable Diode Laser Absorption Spectroscopy to monitor and measure gas concentrations in real time. Moreover, it fits industrial, environmental, and research settings perfectly.

Application Tips:

• Choose the Right Wavelength: Match laser tuning to your target gas.
• Optimize Sample Flow: Keep flow rates steady for stable readings.
• Schedule Regular Calibration: Maintain accuracy over the long term.
• Follow Industry Standards: Comply with EPA, ISO, or other relevant regulations.

Key components and features：

• 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.

Key Advantages:

• Ultra‑fast Response: Get updated readings in under one second.
• High Selectivity: Target trace gases without cross‑interference.
• Wide Dynamic Range: Measure from parts‑per‑million to percent levels.
• Robust Performance: Operate in harsh, high‑temperature, or dusty environments