Gasmet’s solution to GHG flux measurements is based on FTIR technology.
FTIR works by scanning and analyzing the entire infrared spectrum in order to
measure all the infrared absorbing gases in the sample simultaneously.
Most molecules have a characteristic absorption spectrum that can be used
to identify gases and accurately measure their concentration.
The FTIR technology is well-suited for measurements of greenhouse gases
over wide ranges, and is ideal for different soil types, such as terrestrial ecosystems,
agricultural soils and aquatic environments, with varying GHG emissions.
Gasmet soil flux analyzers provide the users with the ability to follow concentration
changes in real-time, and to study and analyze the results as soon as they are collected.
Gasmet provides two field-deployable non-destructive FTIR based soil flux analyzers
for continuous multicomponent gas analyses: DX4040 and DX4015. These robust
gas analyzers enable the measurement up to 50 different gas compounds simultaneously.
Both soil flux analyzers are ideal for field work and capable of taking samples from
several chambers automatically.
These analyzers do not require span calibrations; zero calibration with nitrogen gas or ambient air is all that is necessary. As a result, field operations are quick and simple, and their small footprint makes them attractive in the laboratory environment.
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