With reduced levels of ambient SO2 in both urban and pristine conditions, the need to track small changes in ambient SO2 concentrations is becoming more important. The Model 100EU uses the proven UV fluorescence principle, coupled with state of the art microprocessor technology to provide accurate and dependable measurements of "background" levels of SO2. Exceptional stability is achieved with the use of an optical shutter to compensate for PMT drift and a reference detector to correct for changes in UV lamp intensity. A hydrocarbon "kicker" and advanced optical design combine to prevent inaccuracies due to interfering gases. The multi-tasking software gives real time indication of a large number of operational parameters and provides alarms if diagnostic limits are exceeded. All instruments of Teledyne-API "E" Series include built in data acquisition capability using the analyzer's own internal memory. The Model 100EU combines rugged construction, ease of use, powerful diagnostics and outstanding performance to yield the ideal tool for today's air monitoring requirements.
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