ABB LGR-ICOS™ GLA331-EAA Ammonia Analyser EP Rackmount

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ABB LGR-ICOS™ GLA331-EAA Ammonia Analyser EP Rackmount

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A sensitive, accurate and low-drift analyser for reliable measurement of NH₃

  • Simultaneous measurements of NH₃ and H₂O
  • Measurement rates selectable up to 10 Hz
  • Extremely wide dynamic/linear range
  • Highly specific: robust to cross-interferences
  • State-of-the-art stability and precision
  • Lowest drift
  • Fast response time option
  • Installed and operational in minutes
  • Unsurpassed reliability
  • Real-time diagnostics

How it works

The GLA331-EAA Enhanced Performance Rackmount Ammonia Analyser is optimised for precision, accuracy, response time, stability and reliability. 

It is easy to use, starts up in minutes, requires no field calibration and has minimal preventative maintenance requirements.

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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