... , precision optics design.Simple Circuit Infrared CO2/CH4 Dual Gas sensor moduleMH-Z92 NDIR double-gases module DescriptionMH-Z92 NDIR ... . Temperature compensation is available as the temperature sensor internal. The gas sensor owns both UART output, simulate voltage output, ... to operate. MH-Z92 is a universal infrared gas sensor made up of mature infrared absorptiongas detection technology, precision ...