This gas meter is connected to hose to measure unidirectional gas flow. This gas flowmeter is made of high quality acrylic, it is transparent and can hold up to 0.6MPa pressure. Gas flowmeter is simple to use, and has 8mm barbs for convenient connection to hoses. Can measure blast furnace gas, coke oven gas, coal gas, air, nitrogen, acetylene, phosgene, hydrogen, natural gas, liquefied petroleum gas, hydrogen peroxide, flue gas, methane, butane, chlorine gas, methane, carbon dioxide, oxygen, compressed air, argon Mainly used for detecting the oxygen flow, control oxygen flow and can be used in industry, Manufacturer: FTVOGUE