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Journal of Sensors
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2016
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Article
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Tab 2
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Research Article
Air Pollution Monitoring and Control System for Subway Stations Using Environmental Sensors
Table 2
Specifications of the NDIR CO
2
sensor H-550.
Range
0~50,000 ppm
Sensitivity
±20 ppm ± 1%
Accuracy
±30 ppm ± 5%
Response time (90%)
Within 30 sec