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A Data Acquisition and Control system (DAS) is the heart of today’s modern CEM System. It is one of the core components that create a successful monitoring system package. The data acquisition system is the bridge between raw analyzer outputs and quality assured reportable values.
Nitrogen dioxide (NO2) is a regulated criteria toxic gas (US-EPA)1 which is harmful to public health and the environment. Studies show that between 6 and 45% NO2 overestimation2 occurs, resulting from an inability to provide true NO2 measurement by existing CLD monitors. Accurate and reliable quantification of atmospheric trace gases are necessary for achieving two primary objectives: