Which device helps to monitor methane levels in mines?

The gas analyser is specifically designed to detect and monitor various gases, including methane, which is a significant concern in coal mining due to its flammable nature and potential to cause explosions. This device works by sampling the air within the mine, analyzing gas concentrations, and providing real-time data on methane levels. The accurate monitoring of methane is essential for ensuring the safety of miners and the prevention of hazardous situations.

While other devices like vapor detectors may relate to gas monitoring, they typically focus on different types of gases or specific applications outside of mining operations. Proximity alarms are used mainly to warn workers of nearby moving equipment and do not measure gas levels. Radiation meters are used for detecting ionizing radiation and are not relevant to methane monitoring in mines. This context highlights why the gas analyser is the appropriate choice for monitoring methane levels.