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Finger Pulse Oximeter – SHO 3000 series


The Fingertip Pulse Oximeter is a portable non-invasive, spot-check, oxygen saturation of arterial haemoglobin (SpO2) and pulse rate of adult and children in a home or residential care setting.

Key Features:

  • Particularly well suited for people with heart failure, chronic obstructive pulmonary disease, bronchial asthma and sleep apnoea. Also suited for sports people at high altitude such as mountain climbing, skiing or aviation sports.
  • Simple and straightforward operation
  • Small, lightweight and comes with a strap for convenience of carrying.
  • No maintenance required except change of 2 AAA batteries when indicated
  • Automatic power off
  • Lower power consumption

See Further Information Leaflet

Alternative pulse oximeters available here

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What does a pulse oximeter do?

A pulse oximeter is a portable device which enables the spot check measurement of oxygen saturation of arterial Haemoglobin (SpO2) and pulse rate of adults and children

What do pulse oximeters measure?

Not to get overly technical, in basic terms it uses an established mathematical formula (Lambert Beer Law). Photoelectric Oxyhaemoglobin Inspection Technology is adopted, in accordance with Capacity Pulse Scanning and Recording Technology, so that a signal from two beams of different wavelengths of light can be obtained on a nail tip. Sounds complicated enough but we can assure you that it works!

Are pulse oximeters reliable?

In general terms yes they are. But obviously, they are only as reliable as to how they are operated and cared for. They are suitable for spot checks only and not continuous usage. The batterries should be changed roughly every 30 hours of continuous usage or when indicated on the led panel of the oximeter. Calibration is not required in this particular model.

Can a pulse oximeter detect Covid?

Unfortunately, a pulse oximeter cannot detect Covid. However, an indicator of breathing difficulties (one of the symptoms of Covid) can be measured using an oximeter. A normal saturation level will be around 95-100%. If the oxygen level is below this, it may indicate that there is a lung or medical problem that needs further referral.

When is a pulse oximeter used?

A pulse oximeter is used as a spot check measure of oxygen saturation levels in a situation where it is felt that oxygen levels may be below normal. Such instances may be particularly useful measure for those with repiratory issues, persons with heart failure or athletes who go to high altitude.

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How to Use a Pulse Oximeter

How to Use a Pulse Oximeter

  • Insert two AAA batteries into the battery compartment in the correct position if not already in place.
  • Insert one finger (usually index finger) into the Oximeter as with nail surface facing upwards
  • Push the finger fully into the rubber hole of the oximeter
  • Press the power button on the front case
  • The finger and body of individual being measured should remain stationary during measurement.
  • Read the corresponding data from the results on the display screen given. The top number is the oxygen saturation number whereas the bottom number is the pulse rate.
  • To remove your finger after measurement press the two prongs to unclamp your finger and remove fully. After 5 seconds the device will auto shut off.

The device can be cleaned before and after use using an alcohol wipe.

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