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激光气体检测 TDLS 技术

更新时间:2017-09-27 13:45:33

激光气体检测 TDLS 技术 【China】

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莱丹集团, Axetris 公司,激光气体检测模块

Axetris公司应用了具有专利的信号增强类TDLS技术来检测气体浓度,使用了极窄的0.05nm的激光束来扫描目标气体吸收波段的方法,类似一种高分辨率的近红外光谱吸收测量。

激光气体检测模块,基于可调谐二极管激光光谱技术(TDLS),为在环境气体检测及过程控制应用中许多难以检测的气体提供了有价值的解决方案。

  • TDLS 技术提供以下独特的技术优势:

  • 光学式,非接触式,精准激光测量

  • 极高的目标气体选择性

  • 能检测低于ppm级别检测限的气体,如CH4,NH3,HCl,H2O,CO2

  • 低成本

  • 具有很高的稳定性,可靠性,有效性(无需定期替换备件/标定)

我司的激光气体检测模块,为OEM 集成商提供了一个高性价的解决方案,可应用于气体排放控制和环境监测。基于非常独立式的模块设计,客户可简便地将之集成在系统中。我司也提供高温型气体检测模块(气室加热到220 ℃),它特别适用于具有高污染性样气的检测,比如SCR脱硝中(DeNOx)及其它一些工业气体检测的应用。我司的激光气体检测模块, 可实现多种气体监控及检测的应用,例如燃烧控制,泄漏检测,呼吸气体分析,温室气体排放监测及安全监测等许多应用。




Laser Gas Detection TDLS Technology 【English】

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Leister Corporate, Axetris, Laser Gas Detector 

Axetris uses proprietary technology-enhanced TDLS for gas detection. A 0.05 nm narrow bandwidth diode laser beam is used to scan across an absorption band of the target gas, thus performing a high-resolution near infrared absorption measurement. 

Laser gas detection, based on Tunable Diode Laser Spectroscopy or TDLS, provides a valid solution to many challenges in environmental gas monitoring and process control. 

The TDLS technology offers unique advantages like:


  • precise optical, contactless measurements

  • excellent target gas selectivity

  • sub ppm-level detectivity for gases such as CH4, NH3, HCl, H2O and CO2

  • low cost of ownership

  • high stability, reliability and availability in the field (no regular replacements / calibration needed)


Our laser gas sensing modules are a cost effective solution for OEM integrators active in emission control and environmental monitoring。 It allows for simple integration due to its self-contained and standalone system design。 It also offers hot-gas measurements up to 220°C, which provide a robust sensing solution for highly contaminated gas sample typically for SCR DeNOx and other industrial applications。 With our gas sensing modules, we are able to cover a wide range of gas monitoring & detection applications in combustion control, leak detection, breath gas analysis, greenhouse gas monitoring, safety and many more。


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