... biological and chemical experiment Digital LAB --Carbon dioxide gas sensor (biology lab equipment) DescriptionZJKY 2005 Carbon dioxide gas ... 5000ppm, 2,Resolution: 10ppm3,Application: The carbon dioxide gas sensor uses single-wave non-dispersive infrared (NDIR) principle with ... dioxide, compact structure, low dependence on humidity, low cost, long lifelong and low power consumption, typically used in ...