![How accurate is the forerunner 235 HR sensor? Regularly hit 30 then just get -- in the mornings, is this normal or is the 235 known to read low? TIA : r/Garmin How accurate is the forerunner 235 HR sensor? Regularly hit 30 then just get -- in the mornings, is this normal or is the 235 known to read low? TIA : r/Garmin](https://preview.redd.it/of4f4fc0e3g71.jpg?width=640&crop=smart&auto=webp&s=1080c747f428e3fc2db823bef736da267a026f38)
How accurate is the forerunner 235 HR sensor? Regularly hit 30 then just get -- in the mornings, is this normal or is the 235 known to read low? TIA : r/Garmin
![Garmin Forerunner 235 HR Noire et Rouge marsale - 010-03717-71 - Multisports Watches and Outdoor GPS - IceOptic Garmin Forerunner 235 HR Noire et Rouge marsale - 010-03717-71 - Multisports Watches and Outdoor GPS - IceOptic](https://www.iceoptic.com/43290-large_default/garmin-forerunner-235-hr-noire-et-rouge-marsale.jpgdefault-image.jpg)
Garmin Forerunner 235 HR Noire et Rouge marsale - 010-03717-71 - Multisports Watches and Outdoor GPS - IceOptic
![Garmin Forerunner 235 GPS Sport Watch with Wrist-Based Heart Rate Monitor Black/Gray (010-03717-54) + Deco Gear Screen Protector for Garmin Forerunner 235 Watch - Walmart.com Garmin Forerunner 235 GPS Sport Watch with Wrist-Based Heart Rate Monitor Black/Gray (010-03717-54) + Deco Gear Screen Protector for Garmin Forerunner 235 Watch - Walmart.com](https://i5.walmartimages.com/asr/ba69556c-f899-427d-aa8f-36071fd59b4a_1.c5dc9a2cd88fb95c3430af1845909ccd.jpeg)