Sensors for Life Possibilities using non dispersive IRtechnology
Sensors for Life Possibilities using non dispersive IR-technology for in vehicle measurement of methane gas quality Ph. D. Henrik Rödjegård Senior Scientist, Sense. Air AB henrik. rodjegard@senseair. com Ph. D. Henrik Rödjegård Ph. D. Ola Stenlåås Gas and Air Sensors
Sensors for Life My message • Methane gas from different sources, such as bio gas reactors, differ a lot in composition. • IR-sensors can be used to determine combustion properties of methane gas fuel by measuring the amount of methane and heavier hydrocarbons. • A low-cost system can be implemented in the vehicles fuel system. • Before starting the engine the sensor will give a hint of the gas properties. http: //www. sgc. se/ckfinder/userfiles/SGC 252. pdf Gas and Air Sensors
Sensors for Life Sense. Air AB World leading company in Research & Development and manufacturing of cost-effective IR gas sensing Develops and produces affordable precision carbon dioxide sensors for high volume applications Competence centre for infrared gas measurements Gas and Air Sensors
Sensors for Life Gas and Air Sensors
Sensors for Life Sense. Air AB Gas and Air Sensors
Sensors for Life NDIR basics (Non Dispersive Infra Red) Gas and Air Sensors
Sensors for Life NDIR basics (Non Dispersive Infra Red) Gas and Air Sensors
Sensors for Life NDIR basics (Non Dispersive Infra Red) Gas and Air Sensors
Sensors for Life NDIR basics (Non Dispersive Infra Red) Gas and Air Sensors
Sensors for Life IR-spectrum Gas and Air Sensors
Sensors for Life Optical filter choice Gas and Air Sensors
Sensors for Life Optical filter choice Gas and Air Sensors
Sensors for Life Predicted performance • Methane 70% to 100% ± 2% • “Butane equivalents”* 0% to 15% ± 1% • Inert gas content ± 3% • Response time ~10 s • Pressure up to 10 bar • Calibration free due to automatic baseline compensation * Ethane= 0. 6 Butane equivalents Propane = 0. 8 Butane equivalents Gas and Air Sensors
Sensors for Life A few words about high resolution sensing… …a GC replacer? Gas and Air Sensors
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