An oxygen concentrator is a machine that strips nitrogen from your air and concentrates the oxygen. Normal ambient air is all about 78% nitrogen and 21% oxygen (O2); another 1% composed of trace gases like carbonhelium and dioxide, etc. Because of this dynamic, by taking out the nitrogen from your air, it really is easy to concentrate oxygen just as much as 97%. Since oxygen is both odorless and colorless, understanding testing and calibration of oxygen producing equipment is a must.
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