oxygen rotameter

{"cid":"91180449","title":"Compressed Oxygen Self Rescuer Breathing Apparatus , 11kg Self Contained Self Rescuer","imgUrl":"https:\/\/img.chinax.com\/nimg\/d5\/42\/13359e2f7f9b082354b72cbbd8d3-200x200-1.jpg","attrs":{"Price":"USD580\/set","Brand Name":"Topsky","Model Number":"AJ12B","Minimum Order Quantity":"1set","Delivery Time":"30days","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"100units\/month","Packaging Details":"standard","measuring range":"-1100~1200Pa","reticle scale":"10Pa","Rotameter measuring range":"0.35~3.5L\/min","Oxygen pressure gauge measuring range":"0~2.5MPa","Size":"380mm*264mm*150mm","Weight":"11kg"}}

{"cid":"91189984","title":"0.2MPA Gas Pressure Test Gauge LCD Display Oxygen Nitrogen Flowmeter","imgUrl":"https:\/\/img.chinax.com\/nimg\/e3\/a5\/707a6717bfdfe84a8c13a6de8132-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"AFKLOK","Model Number":"LZB-4WBF","Minimum Order Quantity":"1","Certification":"CE","Place of Origin":"Chain","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Packaging Details":"General packaging","Product Name":"Glass Rotameter","Medium":"liquid or gas","Material":"Glass","Size":"1\/4\"OD","Type":"Rotor flowmeter","Application":"chemical industry, petroleum, light industry, medicine","Flow range":"2.5-25L\/min"}}

{"cid":"91199635","title":"MF4602 MF4603 MF4608 MF4600 Digital Mass Gas Flow Meter Argon Medical Oxygen","imgUrl":"https:\/\/img.chinax.com\/nimg\/5d\/1b\/c0d928bf836bbf51e3a98e22e1db-200x200-1.jpg","attrs":{"Price":"190.2 usd","Brand Name":"Siargo","Model Number":"MF4600","Minimum Order Quantity":"1","Delivery Time":"10-12 days","Certification":"CE","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"1000\/month","Packaging Details":"carton or wooden box","Item":"MF4602 MF4603 MF4608 MF4600 digital argon medical Oxygen mass gas air flow meter","Accuracy":"\u00b11%","Power supply":"24VDC","Material":"316L","Output":"4-20mA","Product name":"Gas Mass Flow converter","Type":"mass flowmeter","Medium":"air","Application":"gasoline","Temperature":"-10\u2103~60\u2103","Working pressure":"\u2264 1.6MPa","Connection":"THREAD","Flow range":"1-30L\/min","Diameter":"12MM,10MM,6MM","Display":"LCD","Communication":"Modbus"}}