本航空航天信息报告（AIR）描述了FTIR分析仪用于测量飞机燃气轮机发动机和燃烧装置的气体排放。对于CO、CO2、NO和NO2的测量，FTIR分析仪的使用可以证明是与ARP1256中规定的NDIR和化学发光分析仪的一种合适且具有成本效益的等效物，其中NOx与NO和NO2浓度之和非常接近。FTIR分析仪可能被证明适用于当前排放测试中使用的分析仪的等效性。 此外，FTIR分析仪有可能对ARP1256中当前定义的总碳氢化合物（THC）进行等效测量。

This Aerospace Information Report (AIR) describes the use of FTIR analyzers for measurements of gaseous emissions from aircraft gas turbine engines and combustion rigs. The use of FTIR analyzers can be demonstrated as a suitable and cost-effective equivalent to NDIR and chemiluminescence analyzers as prescribed in ARP1256 for the measurement of CO, CO2, NO, and NO2, where NOxis closely approximated by the sum of NO and NO2concentrations. FTIR analyzers may be proven suitable for equivalency of analyzers used in current emission testing. Additionally, FTIR analyzers have potential for equivalent measurements of ¿¿¿total¿¿¿ hydrocarbon (THC) as currently defined in ARP1256.