Oxygen Concentrator 3L with Purity Alarm

SPECIFICATIONS: Oxygen flow(L/min): 1 to 3L/min Oxygen concentration (%): 93% ��3% Oxygen delivery pressure(Mpa): 0.05 to 0.08 Noise dB(A): ���40Db Size 390mm(L) x 337mm(w) x 620mm(H) Net weight(kg): 21kg Power: AC 220V��10% 50Hz��1Hz Power consumption: ���350W Characteristic: Big LCD Display, accumulated working hours and the present working hours. Timing Function, Bacterial Filter, Purity alarm when purity is below 82%. Over Heat: High/Low Pressure, Low Oxygen Flow, Power Failure, Control Valve Failure Quality Approval: CE, ISO