Understanding Pulse Ox | You've heard of Pulse Ox, but what exactly does it do? Pulse oximeter sensors in Garmin watches measure SpO2, the % of oxygenated blood in your... | By
![Despite the SpO2 / pulse ox being not for medical use, I'm still disappointed in its accuracy. The pulse oximeter on my 245 is consistently out by 7-15%. Pretty much useless, even Despite the SpO2 / pulse ox being not for medical use, I'm still disappointed in its accuracy. The pulse oximeter on my 245 is consistently out by 7-15%. Pretty much useless, even](https://preview.redd.it/d7n5yy3i6zz51.jpg?auto=webp&s=7599d5640ff2ff946a674916f605e13b18ae9650)
Despite the SpO2 / pulse ox being not for medical use, I'm still disappointed in its accuracy. The pulse oximeter on my 245 is consistently out by 7-15%. Pretty much useless, even
![Garmin Fenix 5X Plus Watch Pulse Oximeter HRM GPS Running fēnix 5x plus 90% New English Português Español Русский Fenix5X Plus| | - AliExpress Garmin Fenix 5X Plus Watch Pulse Oximeter HRM GPS Running fēnix 5x plus 90% New English Português Español Русский Fenix5X Plus| | - AliExpress](https://ae01.alicdn.com/kf/S52c861651dfb4e73a91fce722518d5894/Garmin-Fenix-5X-Plus-Watch-Pulse-Oximeter-HRM-GPS-Running-f-nix-5x-plus-90-New.jpg_Q90.jpg_.webp)
Garmin Fenix 5X Plus Watch Pulse Oximeter HRM GPS Running fēnix 5x plus 90% New English Português Español Русский Fenix5X Plus| | - AliExpress
![Forerunner 245's pulse ox inaccurate? 90% is not normal for someone who doesn't smoke and who's not out of breath. Plus most of the time they struggle to get a reading. What's Forerunner 245's pulse ox inaccurate? 90% is not normal for someone who doesn't smoke and who's not out of breath. Plus most of the time they struggle to get a reading. What's](https://preview.redd.it/kvevczqia8z31.jpg?auto=webp&s=ead5ce3d9e0af21ebb30f468fd67c2c182af6aca)
Forerunner 245's pulse ox inaccurate? 90% is not normal for someone who doesn't smoke and who's not out of breath. Plus most of the time they struggle to get a reading. What's
![Garmin Forerunner 945 GPS Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Barometer, Digital Compass, Gyro Sensor, Accelerometer, Thermometer - Music Player, Sleep Monitor, Push Notification, Email, Text Messaging, Alarm, Clock Display, Garmin Forerunner 945 GPS Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Barometer, Digital Compass, Gyro Sensor, Accelerometer, Thermometer - Music Player, Sleep Monitor, Push Notification, Email, Text Messaging, Alarm, Clock Display,](https://www.compsource.com/mscs_images/epics/large/1071748171.jpg)
Garmin Forerunner 945 GPS Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Barometer, Digital Compass, Gyro Sensor, Accelerometer, Thermometer - Music Player, Sleep Monitor, Push Notification, Email, Text Messaging, Alarm, Clock Display,
![Garmin Venu Sq Smart Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Digital Compass, Accelerometer, Thermometer, Ambient Light Sensor - Calendar, Clock Display, Alarm, Timer, Stopwatch, Text Messaging - Heart Rate, Sleep Garmin Venu Sq Smart Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Digital Compass, Accelerometer, Thermometer, Ambient Light Sensor - Calendar, Clock Display, Alarm, Timer, Stopwatch, Text Messaging - Heart Rate, Sleep](https://www.compsource.com/mscs_images/epics/large/1065578360.jpg)
Garmin Venu Sq Smart Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Digital Compass, Accelerometer, Thermometer, Ambient Light Sensor - Calendar, Clock Display, Alarm, Timer, Stopwatch, Text Messaging - Heart Rate, Sleep
![Garmin Venu Sq Smart Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Digital Compass, Accelerometer, Thermometer, Ambient Light Sensor - Calendar, Clock Display, Alarm, Timer, Stopwatch, Text Messaging - Heart Rate, Sleep Garmin Venu Sq Smart Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Digital Compass, Accelerometer, Thermometer, Ambient Light Sensor - Calendar, Clock Display, Alarm, Timer, Stopwatch, Text Messaging - Heart Rate, Sleep](https://www.compsource.com/mscs_images/epics/large/1065578338.jpg)
Garmin Venu Sq Smart Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Digital Compass, Accelerometer, Thermometer, Ambient Light Sensor - Calendar, Clock Display, Alarm, Timer, Stopwatch, Text Messaging - Heart Rate, Sleep
![PULSE OX READINGS OF GARMIN FENIX 6X IS 5% UNDER REALITY - fēnix 6 series - Wearables - Garmin Forums PULSE OX READINGS OF GARMIN FENIX 6X IS 5% UNDER REALITY - fēnix 6 series - Wearables - Garmin Forums](https://forums.garmin.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/431/BEA806D9_2D00_1E60_2D00_4C32_2D00_B2D9_2D00_33A2BD98B38C.jpeg)
PULSE OX READINGS OF GARMIN FENIX 6X IS 5% UNDER REALITY - fēnix 6 series - Wearables - Garmin Forums
![Make the most out of your Garmin Vivosmart pulse oximeter (blood oxygen saturation) feature - MyHealthyApple Make the most out of your Garmin Vivosmart pulse oximeter (blood oxygen saturation) feature - MyHealthyApple](https://www.myhealthyapple.com/wp-content/uploads/Garmin-Vivosmart-Pulse-Oximeter-SPO2-oxygen-sensor-readings.jpg)