Model SZ-5AW Operating Voltage 2 20-240V / AC Frequency 50 Hz. Electricity Consumption 165 W Oxygen Flow 1- 5 liters/minute Oxygen Purity 1 -5 L 90 + 3% – 1-5 L 90 – 3% Oxygen Monitor High Oxygen O2 > 90%+3% Low Oxygen O2 < 86%+3% Technical Service Requirement < 70% Operating Temperature 5- 40 ThatC Gross Weight 26 kg Net Weight 24 kg Type B Class II Volume : ≤55dB(A) Time settings run mode High energy saving efficient operation system compared to conventional oxygen concentrators CE and ISO Certified by the Ministry of Health Alarm; Power failure, high and low pressure, temperature (65°) low saturation. الحالة جديد