LI Xiu-ru, QI Na, SHEN Guang-nan, et al. Infrared absorption CO2 sensor with high stability[J]. 2016, 35(3): 67-69+73. DOI: 10.13873/J.1000-9787(2016)03-0067-03.
aiming at practical application characteristics of unable to calibrate on a regular basis because of long-term running
this research focuses on improving long-term stability of sensors. The stability of infrared CO
2
sensor is enhanced by applying high precise machine processing and temperature compensation technology with high precision. In situation without selfcalibration for starting up of sensors
experimental results show that the output voltage reaches a stable lever at± 1. 53 % FS after 1 000 h experiment. So that the sensors have the characteristics of high precision