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The world's first-ever power meter calculated from heart rate
Introducing PowerTap PowerCal, the world's first-ever power meter calculated from heart rate. For years there has been a widely recognized correlation between power and heart rate. In a lab one can predict power output or intensity by knowing heart rate, and vice versa. But once you leave the lab and encounter variables such as hills, wind and fatigue, the relationship gets a bit trickier. This is why many cyclists and triathletes use both a heart rate monitor and a power meter in training. Through the use of these tools and the analysis of tens of thousands of power files over the years, the experts at PowerTap and the University of Colorado Boulder have identified patterns which can correlate an athlete's heart rate to power across all real world conditions. We've utilized this knowledge to create a technology which provides power based on this correlation; in the real world and in real time. Since PowerCal is calibrated to you individually, you get a better measure of your caloric expenditure – which is crucial information – whether you're trying to stay on top of your nutrition during a long bike ride or simply trying to shed a few pounds.
- Displays watts without replacing components on your bicycle
- Real world and real time data
- Easy to set-up, use and maintain
- Multisport functionality: use same unit of measure across training activities
- ANT+ version: pair with Joule/Joule GPS or any ANT+ compatible display
- PowerCal BLE (Bluetooth) is compatible exclusively with the PowerTap mobile application on iPhone 4S or higher.