subject: Why the Nonin 9500 Pulse Oximeter is a Top Choice [print this page] The Nonin 9500 Pulse Oximeter has been described as a five star medical device and although it is not the cheapest oximeter on the market, it is still very affordable for those individuals who need it. Reviews from persons who have bought and used this oximeter have said that it is a good buy. It is FDA approved and can be compared to the oximeters found in your doctors' office and other medical institutions. What more can you ask for? Getting the accuracy of a medical grade device in the comfort of your own home. For those individuals who need to constantly keep track of the oxygen saturation levels of the blood, you simply can't go wrong with a Nonin 9500 Pulse Oximeter.