A pulse oximeter is a use device. It is used for assessment of patient’s oxygenation. It is used in hospital to determine a patient’s oxygenation. Pilots in unpressurized aircraft can use to deter his oxygen requirement. This simple device is often used in emergencies for patients suffering from respiratory or cardiac problems.
People can buy a finger pulse oximeter from portablenebs.com. They sell a wide range of pulse oximeters at reasonable prices. The device is approved by FDA. They are offering free ground delivery and free carry-case.