Oxygen Flow: in case of the normal outlet pressure is zero and 7kPa,it is continuously adjustable at(0-10) L/Min, and the allowable error is ±10%
Oxygen concentration display:93±3%
Maximum outlet pressure: under rated flow conditions, the maximum outlet pressure is 40kpa±10%
Discharge pressure of compressor safety valve:250kpa±50kpa
Noise:＜60db(A)