Don’t forget that the HRM-Tri is Ant+ only so I hope you don’t have an iPhone. I do not know of any app that will download the info from your HRM Tri and import the heart rate. You will be better off with a Wahoo Tickr X. That will do what you are asking and it is dual ant+ and Bluetooth
Best for measuring ECG. 5. Frontier X. Measures Heart Rate, Cardiac Rhythm, Cardiac Strain and HRV (Heart Rate Variability) Some fitness trackers and wrist wearables can already measure ECG – e Garmin Dual HRM Battery. The battery you need to use in your Garmin Dual HRM is a common one. It is a CR2032 which happens to be the same size battery in my bathroom scale, food scale and even my garage door opener. It’s a battery size I found in my ‘junk’ drawer. According to Garmin the battery can last up to 3.5 years. The new Polar H9 is a pared-back version of the H10 with slightly fewer features and a different strap. I’m going to assume, as I would do with a Garmin or Suunto chest strap HRM, that it’s accurate. Some of Polar’s marketing literature states that the H10 has increased accuracy over the H9, however that is simply the different strap, not

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Zwift uses Ant+ or bluetooth to pair to different sensors (power meter. HR sensor, speed, cadence, controllable smart trainer, etc.) To pair zwift with all of these sensors you will need a device (laptop/tablet/phone) that has bluetooth connectivity or buy an Ant+ antenna to plug into your device. Provided you have a device that can connect via ZNiAJM. 694 653 160 299 387 469 49 751

does garmin hrm dual work with iphone