Supporting practical field work in safety‑ and CBRNE‑related applications, Gasmet Technologies, a Finnish developer of FTIR‑based gas analysis solutions, has introduced a new background measurement option for its GT5000 Terra portable FTIR gas analyzer.
Unlike single‑gas detectors, FTIR gas analysis measures the full infrared spectrum, enabling the simultaneous identification and quantification of a wide range of gases in a single measurement, including unexpected or unknown compounds. This makes FTIR particularly suited for complex and evolving field scenarios where the nature of the hazard is not known in advance.
In FTIR gas analysis, the background spectrum forms the basis of all measurements, as all sample results are compared against the selected background. Traditionally, Gasmet has recommended measuring this background using high‑purity nitrogen, which remains the appropriate approach for many other applications and measurement tasks.
The new ambient air background option allows GT5000 Terra users to measure the background using clean ambient air just before entering the area of interest. In time‑critical safety and response scenarios, this reduces preparation steps and supports faster field deployment while maintaining the intended measurement performance when background and measurement conditions are similar.
“The development of the new background option has been led by Gasmet’s product management team in close collaboration with field users working in safety‑critical environments,” says Anna Leino, Product Manager at Gasmet.
The approach is particularly relevant in applications where the operational focus is on identifying and quantifying hazardous compounds that are not normally present in ambient air, such as in first response, industrial incidents, and civilian CBRNE preparedness, rather than monitoring predefined target gases alone.
About Gasmet
Gasmet Technologies is a Finland‑based technology company specializing in FTIR‑based gas analysis solutions for demanding field and industrial applications. Gasmet’s FTIR technology enables both continuous measurements and single‑scan analysis, allowing the simultaneous identification and quantification of multiple gases, including unknown compounds, from the full infrared spectrum.
Gasmet designs and manufactures portable and stationary gas analyzers at its headquarters in Vantaa, Finland. The company is part of the Nederman Group and operates globally through its own subsidiaries and an international distributor network.
Further information on the subject on gasmet.com
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