Oumefar Gas Flowmeter, LZQ 7 Flowmeter 2.5 25LPM Flow Meter with Control Valve High Accuracy & Portable Measuring Tool for Oxygen Air

【FLOWMETER】 :The Gas Flowmeter is made of high quality acrylic material ,and is transparent and can hold up to 0 . 6MPa pressure ,hope can meet what you need . 【HOW IT MEASURING】 :This Gas Meter is connected to hose to measure unidirectional gas ,which can achieve a good measuring result ,and will bring you good using experience . 【FLOW CONTROL METER】 :The Oxygen Gas Flowmeter mainly used for detecting the oxygen ,control oxygen and can be used in industry ,and can be good helper to you . 【EASILY USED FLOWMETER】 :This 7 Gas Flowmeter is simple to use ,and the flowermeter has 8mm barbs for convenient connection to hoses ,can effectively save your time of connection . 【VARIOUS GAS MEASURING】 :The Gas Flowmeter can measure 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 .