Real-time monitoring of some key compounds can reveal to be benetial to human health, averting to the slightest accumulation of noxious and/or toxic gases in closed spaces. This requires a reliable, precise, very sensitive method that is impervious to false positive responses.

The ProCeas Indoor Air, based on the patented OFCEAS (Optical Feedback Cavity Enhanced Absorption Spectroscopy) technology coupled to the patented low pressure sampling technology enables such measurements.

Measurement of any or all of these pure compounds and/or mixtures under these conditions:

- is reliable;

- is very low maintenance;

- is insensitive to cross response phenomena;

- has very low levels of detection;

- has response times measured in seconds;

- has a wide dynamic concentration;

- does not experience instrumental response drift (self-standardization);

- does not require regularly schedule re-calibration (self-calibrating direct measurement);

- does not require sample conditioning; and

- is a laser spectrometer capable of multi-components analysis.

Configurations include detection of H2S, CO, CO2 and freons.

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