![Why Pulse Oximeter sp02 works at night only from 00 - 04 h - Forerunner 945 - Running/Multisport - Garmin Forums Why Pulse Oximeter sp02 works at night only from 00 - 04 h - Forerunner 945 - Running/Multisport - Garmin Forums](https://forums.garmin.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/400/Screenshot_5F00_20190608_2D00_075731.png)
Why Pulse Oximeter sp02 works at night only from 00 - 04 h - Forerunner 945 - Running/Multisport - Garmin Forums
![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 Venu 2S Smart Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Barometer, Altimeter, Digital Compass, Gyro Sensor, Accelerometer, Thermometer, Ambient Light Sensor - Clock Display, Alarm, Timer, Stopwatch, Sleep Monitor, Text Garmin Venu 2S Smart Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Barometer, Altimeter, Digital Compass, Gyro Sensor, Accelerometer, Thermometer, Ambient Light Sensor - Clock Display, Alarm, Timer, Stopwatch, Sleep Monitor, Text](https://www.compsource.com/mscs_images/epics/large/1070181680.jpg)
Garmin Venu 2S Smart Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Barometer, Altimeter, Digital Compass, Gyro Sensor, Accelerometer, Thermometer, Ambient Light Sensor - Clock Display, Alarm, Timer, Stopwatch, Sleep Monitor, Text
![Garmin Venu 2 Smart Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Barometer, Altimeter, Digital Compass, Gyro Sensor, Accelerometer, Thermometer, Ambient Light Sensor - Clock Display, Alarm, Timer, Stopwatch, Text Messaging, Calendar, Garmin Venu 2 Smart Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Barometer, Altimeter, Digital Compass, Gyro Sensor, Accelerometer, Thermometer, Ambient Light Sensor - Clock Display, Alarm, Timer, Stopwatch, Text Messaging, Calendar,](https://content.etilize.com/1300/1069293186.jpg)
Garmin Venu 2 Smart Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Barometer, Altimeter, Digital Compass, Gyro Sensor, Accelerometer, Thermometer, Ambient Light Sensor - Clock Display, Alarm, Timer, Stopwatch, Text Messaging, Calendar,
![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
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
![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)
Make the most out of your Garmin Vivosmart pulse oximeter (blood oxygen saturation) feature - MyHealthyApple
Line Garmin Lily Smart Watch Women Heart Rate Monitor Pulse Oximeter Sensor Accelerometer Ambient Light Sensor TFT LCD Touchscreen Bluetooth 120 Hour 1.34 Rose Gold Light Sand Case - Office Depot
![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 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)