Portable oxygen concentrator

Specifications:

(1) Flow:It can be continuously regulated with in (0-3)L/minute,

         allowable error should be ±10%;

(2) Oxygen concentration:40%-85%,

            Flow rate ≤ 0.8Litter/min, concentration is approx 85%, 

            Flow rate ≤ 1Litter/min, oxygen concentration ≥ 70%,

            Flow rate ≤ 2Litter/min, oxygen concentration ≥  52%, 

            Flow rate ≤ 3Litter/min, oxygen concentration≥ 40%;

(3) Outlet pressure:0.04-0.06Mpa;

(4) Voltage:DV:12 volt,

          AV:voltage range from 100volt to 240 volt;

(5) Sound level:<46dB(A);

(6) Input power:80W;

(7) Weight:3.5kg;

(8) Dimension:236cm(L)*163cm(W)*270cm(H).