3 ms·Our Omron arm cuff one reads 20 pts too high. We didn’t realize until a doctor had us bring it in.by waivej 7y agoOur Omron arm cuff one reads 20 pts too high. We didn’t realize until a doctor had us bring it in.zip1234 7y agoI have an exceptionally inaccurate Omron monitor as well. If they can't get it right with a full up cuff I really have doubts about a watch.C1sc0cat 7y agoMines quite accurate against the ones in my regular clinic - and with BP its more the change you want to track.