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GAS DETECTION


HOriBa sPeeds UP safeTY, sUsTainaBiLiTY, and PrOdUCTiViTY WiTH reaL-TiMe, infrared gas anaLYsis


veryone knows that offensive, rotten-egg smell when you turn on your gas stove or when you are in your car and you get a whiff of exhaust in the cabin. While these gases may be toxic in large doses, they are fairly harmless and easily detected.


Real-time, infrared gas analysis is the ideal solution and of the utmost But in the industrial manufacturing world, not all gases are so easily


detected and their effects can have even wider ranging issues, including having major impacts to productivity and the environment.


importance in these circumstances. On a broad scale, industries including automotive, energy production, and semiconductor manufacturing could leverage real-time, infrared gas analysis, and sensing technologies to help attain their safety, productivity, and environmental goals. Enter the HORIBA Group.


seeing infrared E


HORIBA AT A GLANCE COMPANY The HORIBA Group of worldwide companies provides an


extensive array of instruments and systems for applications ranging from automotive R&D, process and environmental monitoring, in vitro medical diagnostics, semiconductor


manufacturing, and metrology to a broad range of scientific R&D and QC measurements.


TECHNOLOGIES


HORIBA has developed its proprietary infrared gas measurement method, infrared laser absorption modulation (IRLAM), to address the market’s needs for speed, accuracy, and versatility in


measuring a wide range of gases. As part of this solution, HORIBA used Analog Devices’ ultralow noise and high speed signal


processing technologies, including ultrahigh speed analog-to- digital converters (ADCs).


CHALLENGE Detect trace amounts of highly volatile, dangerous gases in


differing environments, while contending with various conditions of heat, wind, sound, vibration, etc.


~5 MIN.


TIME IT TAKES FOR HIGH CONCENTRATIONS OF CARBON MONOXIDE (CO) TO KILL SOMEONE.


‘‘ GOAL


Contribute to global environmental conservation, safety, and health, and moreover to improving energy problems.


43%


OF OVERALL NATURAL GAS USAGE IS IN INDUSTRIAL SETTINGS.


HORIBA is all about staying ahead of the curve. So when we were developing IRLAM real-time gas analysis technology, we knew we needed a partner who could deliver deep technical insight, but who also designed solutions for real-time measurements. ADI met all those parameters. They’re a true solutions provider … much more than a chip manufacturer!


OPTICAL CONFIGURATION OF IRLAM GAS ANALYSER


1. Infrared light emitted from the QCL is injected into the Herriott cell.


2. The gas to be analyzed is introduced into the Herriott cell, and the infrared light is absorbed by the gas in a long optical path while being reflected many times.


3. The absorbed infrared signal is acquired by the detector, and the concentration of the gas to be analysed is calculated.


- Dr. Kyoji Shibuya ‘‘ IRLAM Development Manager


28 OCTOBer/nOVeMBer 2022 | indUsTriaL COMPLianCe


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