MEASURING CONFIGURATION FOR AND METHOD OF DETECTING AT LEAST ONE COMPONENT OF GAS-MIXTURES BY PHOTOACOUSTIC PRINCIPLE

MEASURING CONFIGURATION FOR AND METHOD OF DETECTING AT LEAST ONE COMPONENT OF GAS-MIXTURES BY PHOTOACOUSTIC PRINCIPLE

A photo-acoustic chamber (40) has an acoustically optimized inner space, gas inlet (41) for charging the gas mixture, and gas outlet (42) for discharging the gas mixture. A pressure-change sensing device in the photo-acoustic chamber is connected to input of a sign conditioner (16). A generating uni...

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Bibliographische Detailangaben
Hauptverfasser: MOHACSI ARPAD DR, BOR ZSOLT DR, BOZOKI ZOLTAN DR, SZABO GABOR DR, SZAKALL MIKLOS
Format: Patent
Sprache:eng
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Zusammenfassung:A photo-acoustic chamber (40) has an acoustically optimized inner space, gas inlet (41) for charging the gas mixture, and gas outlet (42) for discharging the gas mixture. A pressure-change sensing device in the photo-acoustic chamber is connected to input of a sign conditioner (16). A generating unit generates an acoustic sign having time-dependent frequency receivable by the pressure-change sensing device.