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Can any chest strap measure HRV while running?

I have a Forerunner 955 and my legacy soft strap chest HRM of about 10 years is worn out. I have a HRM-Run that I bought two years ago that crapped out after a year and appears to have a defect consistent with many other cases I’ve read on Google and Reddit where the replacement battery drains in hours. I’m not going to spend $150 each year on a flawed product.

I have a Running Dynamics pod, and all I really care about from a chest strap is better accuracy, respiration, and ability to do lactate threshold test. Is it a valid assumption that any ANT+ compatible strap will suffice to get this data given I was getting it from the old Garmin legacy strap that came with my 310XT?

0 tmk2 over 2 years ago

abutcher20 said:
Is it a valid assumption that any ANT+ compatible strap will suffice to get this data given I was getting it from the old Garmin legacy strap that came with my 310XT?

It's a pretty valid assumption. Actually, HRV is mandatory in the ANT+ HR profile, so any strap that follows the ANT+ HR profile must also include HRV. I've heard that some cheap no-name HR sensors do not send reliable HRV (i.e. they do send HRV data, but this data is crap), but I've never encountered one personally. I use a cheap 3rd party HR strap (it cost me around 10 euro), and it provides valid HRV.