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完整的采用非分散红外(NDIR)技术的气体传感器电路
非分散红外(NDIR)光谱仪常被用来检测气体和测量碳氧化物(例如一氧化碳和二氧化碳)的浓度。一个红外光束穿过采样腔,样本中的各气体组分吸收特定频率的红外线。通过测量相应频率的红外线吸收量,便可确定该气体组分的浓度。之所以说这种技术是非分散 ...
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