GAS SENSOR UTILIZING BANDPASS FILTERS TO MEASURE TEMPERATURE OF AN EMITTER

GAS SENSOR UTILIZING BANDPASS FILTERS TO MEASURE TEMPERATURE OF AN EMITTER

The invention relates to a sensor having a filter arrangement, downstream of which there is arranged a detector arrangement, and an evaluating device which is connected to the detector arrangement, the filter arrangement has at least a first filter, the suspect filter, which is configured as a band...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KRISHNA ARUN, JENSEN JENS MOLLER, MUNCH LARS, STOLBERG-ROHR THOMINE, BUCHNER RAINER, MOOS HENRIK GEDDE
Format: Patent
Sprache:eng
Schlagworte:
COLORIMETRY
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT
MEASURING
PHYSICS
RADIATION PYROMETRY
TESTING
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Beschreibung
Zusammenfassung:The invention relates to a sensor having a filter arrangement, downstream of which there is arranged a detector arrangement, and an evaluating device which is connected to the detector arrangement, the filter arrangement has at least a first filter, the suspect filter, which is configured as a band pass filter allowing the passage of a first predetermined band, the suspect band, at least one second filter, the reference filter(s), which is configured as band pass filters allowing the passage of a second predetermined band(s), the reference band(s), and where the detector arrangement has at least one detector associated with the at least one of the filters. The sensor uses the band pass filters to measure the temperature of an emitting source. The sensor with advantage could be utilized within the IR band, and could advantageously be used to detect CO2.