A520 Series Large Finger Sensor

The "Workhorse" of SpO2 sensors.

The A520 Series sensor uses a "floating hinge" for optimal LED alignment. The hinge design is simple, yet strong to resist breakage. The A520 clip has integrated "wings" that help prevent ambient light interference. In addition, the optic windows are molded into the finger pads--not poured like most other manufacturers. This allows the optical components to be mounted very close to the patient’s skin, which permits a more efficient transfer of light through the perfusion site. The finger pads are then mounted on a sealed subframe, which helps keep contaminants away from the sensitive LED's and photodiodes.

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