Industrial Online Tunable Diode Laser Gas Analyser CH4 H2S CO CO2 O2

Tunable Diode Laser (TDL) Gas Analyzer TDLAS technology 19 inch NH3/HCL/HF/H2S/CO/CO2/O2

Here are some key details about Tunable Diode Laser (TDL) Gas Analyzers:

- Make use of diode lasers that can be tuned to a specific wavelength absorbed by the target gas molecules.
- Operate in the near-infrared spectral region, matching most hydrocarbon and species like CO, CO2, H2O, NH3.
- Laser is directed through the gas sample, and absorption is measured to determine gas concentration.
- Extremely fast response time - measurements in seconds or sub-seconds.
- Very high sensitivity - can measure gases at ppm or ppb levels. Detection limits down to ppb or ppt.
- Suitable for process control and monitoring applications that require speed and precision.
- Provide in-situ measurements without sampling. Can also be extractive.
- Immune to cross-interferences from other gases or changes in temperature/pressure.
- Tuning the laser wavelength provides selectivity. Multiple lasers can be used in one analyzer.
- Requires calibration using known concentration gas samples.
- Reliable with long lifetime due to no moving parts. Stable and drift-free operation.
- Used for monitoring gases like CO, CO2, CH4, NH3, HCl, HF, H2O vapor in industries such as oil and gas, chemicals, pharmaceuticals.
- Major suppliers include Yokogawa, ABB, Siemens, Emerson, Coulton, NEO Monitors.

In summary, TDL analyzers provide rapid, ultra-sensitive, and selective quantification of multiple gases in-situ via precise laser absorption spectroscopy.

ESE-LASER-200 Laser Gas Analyser is a 19" 4U TDLAS gas analyzer for industrial online analysis .The gas analyzer combine multiple reflection long optical path technology that can analysis gas including NH3,HCL,HF,CH4,H2S,CO,CO2,O2 .

Specifiications