Description

This sensor is useful in making Pulse oximetry, which is a test that measures what proportion of the oxygen-carrying molecules in the blood (called hemoglobin) are actually carrying oxygen. This is known as oxygen saturation or SpO2. One hundred percent oxygen saturation is attained when all hemoglobin in the blood is completely saturated with oxygen. This simple test does not require a blood sample and is called non-invasive.

A pulse oximeter is a medical device that indirectly measures the oxygen saturation of a patients blood (as opposed to measuring oxygen saturation directly through a blood sample) and changes in blood volume in the skin, producing a photoplethysmograph. It is often attached to a medical monitor so staff can see a patients oxygenation at all times. Portable battery-operated pulse oximeters are also available for home blood-oxygen monitoring.

FEATURES:

This sensor is a probe which attached to finger as below for purpose of SPO2(Oxygen level in blood) measurement projects. Internally it consist of IR LED, Red LED and Light detector. Same has been brought out to DB9 pin connector as shown below in sensor internal connections. Probe does NOT contain any ADC or Opamp circuit internally. It has to be designed as per your application externally.

Internally the sensor are two IR and Red LED and Light Detector on other side. A finger pulse oximeter is composed of two light emmitting diodes (LED) for sensing blood volume and blood oxygen saturation in the finger.

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