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Inspire 3 is not tracking my heart rate accurately

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Has a fitbit for 4 years but this is happening evert day over the last month. I have tried all advice given nothing works..


Moderator Edit: Clarified subject

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Hi there, @Pauline_D. Welcome to the Fitbit Community Forums. Thanks for trying to troubleshoot the issue with your Inspire 3 before reaching out. 

As with all heart-rate tracking technology, accuracy is affected by personal physiology, device location on your arm, and type of movement. For more information about it and how to improve its accuracy, please confirmed that you've tried all tips and recommendations provided here What factors can affect my heart-rate reading on my Fitbit device?

Maria | Community Moderator, Fitbit


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Today worked OK 1st time for a while we will see how it goes tomorrow. HR jumps from 160 bpm down to below zones I 1 second then stays that way for 20 mins sometimes .I use exercise bike at 25km an hour no way would ireach 160 prm that when it flatlands. For you information to day I wor my fitbit on the back of my ankle. Mmmm but it worked for today. We will see how it goes

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Last night I went for a leisurely walk after dinner.  About 3/4 of mile in 16 minutes and the fitbit said my average heart rate was 108.  This morning I went for a power walk, a little over 2 miles in just over 30 minutes and it said my average heart rate was 96.  Not only that but it claimed I only took 3090 steps which calculates to a step length of over 44 inches!  Since I'm closer to 5' tall than 6', I'm sure my step length in nowhere near 44".  A similar length and pace walk a couple days ago said it was almost 3900 steps.  Heart rate readings have always been suspect but this is the first time I've questioned the step count accuracy.

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Yes I have similar problems 83 mins evert day on exercise bike for the last
4 years so I know what my scores should be
Yesterday I got 163 zone mins..today doing exactly the same I got 125.had
the watch in so many places I feel like I'm the cama sutra lol
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