MEASURING APPARATUS

This invention relates to apparatus for measuring the concentration of a volatile component in a gas and in particular, but not exclusively, to breath alcohol testing apparatus. In such apparatus 10, a pressure transducer 15 is provided to detect the ambient pressure during test. This pressure is us...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: WILLIAMS, PAUL MICHAEL
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:This invention relates to apparatus for measuring the concentration of a volatile component in a gas and in particular, but not exclusively, to breath alcohol testing apparatus. In such apparatus 10, a pressure transducer 15 is provided to detect the ambient pressure during test. This pressure is used to modify the output of a fuel cell 11.