Measurable gas: can measure blast furnace gas, coking plant 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 INSTRUCTIONS: This gas meter is connected to the pipe to measure the unidirectional gas flow Made of high quality acrylic: Flow meter is made of high quality acrylic, it is transparent and can hold up to 0.6 MPa of pressure It is simple to use: flow meter is simple to use, and has 8mm barbs for convenient connection to pipes MAINLY USED FOR: Flow meter is mainly used to detect oxygen flow, control oxygen flow and can be used in industry, Manufacturer: Hilitand