["Professional Portable O2 Oxygen Concentration Content Tester Meter High Accuracy Oxygen Detector Monintor CY-12C Gas Analyzer\n\nDescription:\n brand new,high quality\nFeatures:\nIt is used for analyzing the purity of oxygen in respirator machine of medical treatment and anesthesia\nmachine and oxygen concentrator and high-pressure oxygen house and the nursing for case keeping infant.\nInstrument sensor is electrochemistry diaphragmatic positron. It makes use of platinum negatron and silver and silver chloride as electrolyte.\nDiaphragmatic material is polyethylene film which chooses the permeating oxygen .\n\nSpecification:\nProduct Name: CY-12C digital oxygen measuring instrument\nRange: 0- 0-50% 0-1%\nAccuracy: ± 0.10%\nUse ambient temperature: -20~ 50 °C\nHumidity: <90%\nUse: hand pinch suction type\nResolution: 0.01%\nResponse time: 10 seconds to indicate 90% of oxygen concentration (at 20 ° C)\nPower consumption: 4 mW\nPower: 6F229V laminated battery, can work for 500 hours.\nAffect the detection accuracy of interference gas: SO2, NO2, H2S ≥ 10% when the impact of the determination.\nDimensions: 23x18x7cm/9.06x7.09x2.76in\n\nNote:\nTransition: 1cm=10mm=0.39inch.\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage Includes:\n1 * Oxygen analyzer\n1 * Oxygen sensor\n1 * White filter hose\n1 * Black suction ball\n1* Portable carry bag"]