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NOx Converter

For some applications it is desirable, often for economic reasons, to measure NOX by means of an NO gas analyser in combination with an NO2 to NO converter.

The principle of the converter is that the gas passes through the heated catalyst material which turns NO2 into NO. Afterwards, the gas is led through the NO analyser and the total NOX concentration is measured.

The NO analyser used for this purpose is either an IR or UV gas analyser.
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