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MQ-2 100%

5V±0.1 Over 24 hour Remarks Detecting concentration scope: 200ppm-5000ppm LPG and propane 300ppm-5000ppm butane 5000ppm-20000ppm methane 300ppm-5000ppm H2 100ppm-2000ppm Alcohol D.

https://www.pdf-archive.com/2013/05/03/mq-2/

03/05/2013 www.pdf-archive.com