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NDIR H2 gas detection device

NDIR H2 gas detection device

2020-12-1The reached detection limits were 34 ppm and 25 ppm respectively . Therefore, though NDIR gas sensors based on lock-in amplifiers have made progress in low-level ethylene measurements, further efforts are needed to improve the sensitivity. This paper presents a high-precision ethylene gas sensor based on the NDIR principle.

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