FDA or food and drug administration has developed the guidelines to help the industrial market for premarket notification about accuracy in pulse oximeter. Pulse oximeter, an electrical device which is used to measure oxygen saturation level in humans is intended to be used for non invasive measurements of the heart pulse rate as well as the oxygen saturation level. It can be very dangerous treatment if you electrical device, pulse oximeter is providing you with incorrect reading about your pulse rate and oxygen saturation level. FDA or food and drug administration department check and validate that the device is working efficiently to provide correct readings.