ABB LGR-ICOS™ GLA151-N2OM1 Methane & Nitrous Oxide Analyser - QC Portable

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ABB LGR-ICOS™ GLA151-N2OM1 Methane & Nitrous Oxide Analyser - QC Portable

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A highly sensitive and accurate analyser for reliable measurement of N₂O and CH₄

  • Simultaneous measurements of N₂O and CH₄
  • High precision and robust to cross-interferences
  • Measurement rates selectable up to 1 Hz
  • Installed and operational in minutes
  • Extremely high dynamic range
  • Unsurpassed ruggedness and reliability
  • Real-time diagnostics

How it works

The LGR-ICOS™ GLA151-N2OM1 Methane & Nitrous Oxide Analyser – QC Portable is designed for many demanding field applications, including trace-gas air quality monitoring and chamber flux measurements, where the highest precision, accuracy, ruggedness and mobility are required. It provides you with reliable measurements of N₂O and CH₄.

The GLA151-N2OM1 quantum cascade (QC) portable analyser simultaneously measures water vapor mole fraction. As a result, the analyser reports N₂O and CH₄ on a dry mole basis. It accurately corrects for water vapor dilution and absorption line broadening effects without the need for sample drying or empirical corrections.

As with all ABB-LGR analysers, this utilises Off-Axis Integrated Cavity Output Spectroscopy (OA-ICOS). A patented, fourth-generation cavity enhanced technique, OA-ICOS has many advantages over older and more delicate techniques such as Cavity Ring-Down Spectroscopy (CRDS), and conventional laser spectroscopy.

In addition to providing extreme sensitivity due to the folded absorption path, and a wide dynamic range due to the direct absorption-based measurement, OA-ICOS is an inherently robust technique. Due to the off-axis alignment of the optics, LGR analysers are far less sensitive to temperature variations, vibrations, shocks, and dust than similar cavity-based methods. This also means the optics can be cleaned by the user, without needing an expensive return to the factory.

ABB-LGR analysers require no consumables, no carrier gases, and no regular recalibrations. The versatility and sturdiness of the OA-ICOS measurement cell enables reliable measurements in a wide range of applications and environments. ABB-LGR employs the OA-ICOS technique to measure a wide variety of gases and isotopes, in both ultra-precise rackmount laboratory instruments, and portable gas analysers for the field. All ABB-LGR analysers supplied by Enviro Technology are backed by a 2-year manufacturer warranty, and responsive support from our expert team of UK-based technicians.

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