The Medisana PM100 Pulse Oximeter is a compact, non-invasive device designed to quickly measure blood oxygen saturation (SpO₂) and pulse rate from your fingertip. Using advanced optical sensor technology, it provides fast, reliable readings in seconds, making it an essential tool for home health monitoring, respiratory care, sports performance, and early detection of changes in oxygen levels.
How it works (simple explanation)
The PM100 clips comfortably onto your fingertip and shines harmless red and infrared light through the finger. By analysing how much light is absorbed by oxygen-rich and oxygen-poor blood, it calculates your blood oxygen saturation (SpO₂). At the same time, it measures your pulse rate (heart rate) and displays both results clearly on its colour screen. The device offers multiple display orientations for easy viewing and automatically switches off when not in use to conserve battery life.
What it’s useful for
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Measuring blood oxygen saturation (SpO₂)
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Monitoring pulse rate (heart rate)
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Home monitoring of respiratory health
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Monitoring chronic lung conditions such as asthma and COPD
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Checking oxygen levels during respiratory infections
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Monitoring recovery after illness
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Assessing oxygen levels at high altitudes
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Supporting fitness and endurance training
Regular monitoring of blood oxygen levels can help identify reduced oxygen saturation (hypoxaemia) before symptoms become severe. Falling oxygen levels may occur with respiratory conditions such as asthma, chronic obstructive pulmonary disease (COPD), pneumonia, COVID-19, sleep-related breathing disorders, and other lung diseases. Detecting a downward trend early allows individuals to seek timely medical assessment, potentially preventing serious complications such as respiratory failure. Monitoring pulse rate can also help identify unusually fast or slow heart rates that may require further medical evaluation.
Easy to use
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Insert one clean, warm finger fully into the device
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Press the power button to begin measurement
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Keep your hand still while the reading is taken
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View your oxygen saturation (SpO₂) and pulse rate on the colour display
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Remove your finger when finished; the device switches off automatically after a short period
Key features
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Fast, non-invasive fingertip measurement
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Measures blood oxygen saturation (SpO₂)
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Measures pulse rate
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Bright colour OLED display
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Six adjustable display orientations for easy viewing
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One-button operation
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Automatic power-off to conserve battery life
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Lightweight and portable design
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Suitable for home and travel use
Who it’s for
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Individuals with asthma or chronic lung disease
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People recovering from respiratory infections
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Older adults monitoring respiratory health
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Athletes and fitness enthusiasts
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People travelling or exercising at high altitudes
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Anyone who wants to monitor oxygen levels as part of preventive health care
Important to note
Normal blood oxygen saturation for most healthy adults is typically 95–100%, although values may vary depending on individual health conditions and altitude. Consistently low readings—particularly below 92%, or lower than advised by your healthcare provider—should be assessed promptly by a medical professional. Nail polish, artificial nails, cold hands, poor circulation, excessive movement, or bright ambient light may affect measurement accuracy. A pulse oximeter is a monitoring device and should not replace professional medical assessment or emergency care when symptoms such as severe shortness of breath, chest pain, or confusion are present.
Why it stands out
The Medisana PM100 combines fast, accurate oxygen saturation and pulse monitoring in a simple fingertip device that anyone can use at home. By helping users recognise declining oxygen levels early and monitor changes over time, it supports proactive respiratory care, enables earlier medical intervention when needed, and plays an important role in preventing complications associated with respiratory and cardiovascular illnesses.