Wide gas compatibility measures furnace gas, oven gas, coal gas, air, nitrogen, acetylene, phosgene, methane, carbon dioxide, oxygen, argon, butane, liquefied gas and flue gas Connected to a hose for unidirectional gas sampling, enabling safe and controlled readings without exposing the instrument to the process Designed to detect oxygen and support oxygen control in industrial processes, helping maintain safe and consistent operation Made from transparent acrylic for clear visibility of internal contents and rated for pressures up to 0.6 MPa Compact and easy to integrate into existing lines with standard hose connections Practical applications: 1) In furnaces and kilns to monitor gas composition and control oxygen levels for safe combustion 2) In chemical processing and inert gas lines (nitrogen, argon) to maintain process conditions and monitor oxygen 3) In welding, metal fabrication, and heat treatment areas using purge gases to track gas composition and ensure safety