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Fingertip Pulse Oximeter (Graphical)

Order No. 3907

Pulse oximetry uses a light emitter with red and infrared LED that shines through a reasonably translucent site with good blood flow e.g. fingertip. Opposite the emitter is a photodetector that receives the light that passes through the measuring site.

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Put the test subject’s finger into the rubber cushions of the clip and then clip the finger. Pressing the on the switch button while power is on will change the direction, brightness and contents of the LCD display.

Data Harvest Fingertip Pulse Oximeter (Graphical)


  • Pulse intensity by a single column bar graph
  • Pulse rate as numbers
  • SpO2 (pulse oxygen saturation %) as numbers
  • A graphical representation of pulse wave displayed as a line or bar graph.
Data Harvest Fingertip Pulse Oximeter (Graphical)

Possible Activities

Want to know how you can use this product in your science lessons? Take a look at the list of possible use cases and activities to get you started with the Fingertip Pulse Oximeter (Graphical).

  • Explore heart rates before and after exercise
  • Measure SpO2
Data Harvest Fingertip Pulse Oximeter (Graphical)

Fingertip Pulse Oximeter (Graphical) Specification

Learn more about the Fingertip Pulse Oximeter (Graphical) specification and range information.

SpO2 measuring range35 to 99%
Pulse rate measuring range30 bpm to 250 bpm
Pulse intensityBar column display
Power requirements2 x 1.5 V AAA alkaline batteries
Safety ClassType BF
Optical sensorRed light (wavelength 660 nm), Infrared (wavelength 880 nm)
Dimensions 57 (L) x 31 (W) x 32 (H) mm

Reliable and durable, designed for the classroom

All our sensors come with 5 years warranty and lifetime support, we ensure your investment gives you complete peace of mind.