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使用LMP91000EVM测试标准气体，测试结果总比实际值要低许多，原因究竟何在?

minghua shang
Prodigy 210 points

Other Parts Discussed in Thread: LMP91000EVM, LMP91000

LMP91000EVM+SPIO-4+GUI v2.0.3.0 :

1、CityTech 4CL sensor

实际气体浓度17.7ppm,测试结果为2.37ppm

2、CityTech 4CM sensor

实际气体浓度2000ppm,测试结果为510ppm


注1、上述测试结果：LMP91000参数值均为选择传感器后的默认自动配置值。

注2、不管怎样更改LMP91000配置参数，均未能得到与实际浓度值相同或相近的结果。