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Coal mine low power laser methane detection and alarm

Coal mine low power laser methane detection and alarm

Dec 18, 2019At present, the portable carrier catalytic methane detection and alarm instrument for coal mine generally has many problems, such as high power consumption, short standby time, low detection accuracy, few parameters and single function, which can not meet the rapid development needs of mine safety. In this paper, a low power portable laser methane detection and alarm instrument based on tunable laser absorption …

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