... sound level below 42dBA PSA oxygen concentrator (generator) OT Star 3L/min Features:*Complies with the requirements of ISO-8359 ... , yellow, red bar on the LCD for Type: OT-Star*Intelligent fault diagonis.* Micro Sd card, 2GB, a big ... log on running & patient compliance Specification*Model OT-Star 3LOperating SystemTimed Cycle/Rapid Pressure SwingPower Consumption (W)350Electrical Requirement ...