... , Low purity alarm, Maintenance Alarm, etc Specifications:Flow rate : 0~10 L/MinPurity: 93%±3%Outlet Pressure ( MPa): 0.04~0 ... Consumption: ≤ 480WTimer: Present working time, Accumulating time, Present time for 10 mins to 40 hours.Alarm: Power failure alarm, High & Low ... on site.Single flow is available Oxy-life Oxygen Concentrators with CE approval