Natural gas fired engines that drive compressors for gas gathering are required to have gas detection.
This is because the ignition systems are general purpose devices used in Class 1 Zone 2 areas. Traditionally, catalytic bead gas detection has been used for the detection of combustible methane and other hydrocarbon gases. This type of detector has drawbacks such as the requirement for oxygen to be present for operation, a need for periodic calibration, and need for periodic sensor replacement.
