Inline gas flow meter with a hose connection for in-line measurement. It measures gas flow direction and rate as the gas passes through the line. Nitrogen rotameter with wide gas compatibility. Suitable for measuring a broad range of gases including furnace gas, oven gas, coal gas, nitrogen, acetylene, phosgene, hydrogen, methane, butane, carbon dioxide, oxygen, argon, liquefied gas, flue gas, and compressed gas. Industrial grade performance. Designed for industrial use, this gas meter is a reliable tool for detecting and controlling gas in a variety of applications. It features robust construction, broad gas compatibility, and a temperature operating range of 0-60 C, making it a versatile and dependable solution for professionals in demanding environments. Versatile gas detection. Measures a wide range of gases to support diverse industrial applications, from fuel and process gases to shielding and inert atmospheres. Use scenarios - Metal fabrication and welding: monitor shielding gases such as nitrogen, argon, and acetylene to ensure proper flow and process stability. - Furnace and boiler systems: control and verify fuel gas flow (furnace gas, coal gas) for efficient combustion. - Chemical processing lines: monitor gases like hydrogen, methane, carbon dioxide, and liquefied gas to maintain safe and consistent operation.