On my Polar F6, which I have had for 15 months, the heart rate registers fine when I first turn it on. Then, during my workout, it goes to 00. The summary has total calories burned, max and min heart rates, but I am not sure they are accurate. Why is it zeroing out during my workout? Yes, I have the ******** my skin under my sports bra.
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This heart rate monitor has a generic flaw with the sensor. The touch sensor fails after a few months of use. It is not a battery issue. Return to where you purchased it. Buy another brand. All of the drug stores carry this watch which has an abnormal return rate. The sensor fails after a few months while the watch function is fine. Seems like planned obsolescence.
First you need to understand that the Polar system is a medical grade device and it is calculating calories based on specific information that you have inputed and heart rate data from your heart.
Most treadmills and other exercise machines use a much simpler counter that is height and weight based to calculate calories and are generally over generous with their numbers.
Depending on the blood pressure machine you are using, the pulse (not heart rate) is coming through the brachial artery, again not quite as accurate as measuring r-r variance from your heart. There is a ton of literature you can read if you are into the accurateness of the system, but I will sum up with saying that you actual calorie expenditure will be closer on the Polar than on most other devices outside of a hospital. As too the heart rate this is also true, so more likely you are getting inaccurate numbers from the other devices.
If you want pinpoint accuracy then you will need to use the Polar RS800 or S810 devices that measure and display true R-R.
Check out my tips and tricks section for a guide on troubleshooting heart rate readings.
One other possibility if you changed the battery yourself (never recommended) is that some damage or moisture has gotten into your watch and made it impossible for the watch to read heart rate. This is a more common reason than you think and why all manufactures of Heart Rate monitors and other types of watches have you send them in to their authorized service centers.
Replace the battery. Then make sure that it is placed on the proper artery that it is supposed to be on. If your heart rate was 210 you would be in the hospital with a heart attack. And also the only person I know with a heart rate of 90 when running is Lance Armstrong. Your heart rate should be about 120 to 135 and it will just around in those areas but should never go higher
Yes, you definetely need battery replacement. As the hart rate monitoring is most sophisticated part of the device, it has more IC (Integrated Circuits) than any other features. More IC's means more power is needed, so, if the heart rate monitor is starting to malfunction, that's the very first sign of underpowered battery. Find your nearest watch repair shop and ask for battery replacement.
no it shouldnt be cause the heart rate would be based off your pulse
im not a heart specialist but ive had my share of heart polups and a faulty valve in my heart
i was told by my doctor that the heart rate is monitored by bloodpreasure threw the veins pulse so i dont think that the size of the watch would make a difference this is in my opinion based off my own docs words hes the doc what can i say
but recommend that you speak with your doctor about heart monitor watches they know more indepth about these devices or your local pharmacy