Catapult devices measure heart rate using coded heart rate monitors. Coded heart rate monitors, as opposed to un-coded, allow the heart rate monitor to communicate wirelessly with one Catapult device at a time. A connection is shown between the Catapult device and the heart rate monitor in the following ways:
- Optimeye – the second red LED begins to flash when a connection is established.
- Vector – the red heart LED goes from flashing to solid when a connection is established.
The heart rate monitor will stay connected to the Catapult device until data stops being transmitted, this prevents interference from other heart rate monitors. As a result, coded heart rate monitors are perfect for use in team sports.
The following coded Polar heart rate monitors are compatible with Catapult devices:
- T31c (coded)
The heart rate data collected by the heart rate monitor can then be viewed in real time via the Catapult receiver or stored locally on the Catapult device ready to view post-download.
More recently, Catapult has released a new integrated heart rate garment. The vest is designed to make heart rate monitoring comfortable for athletes and efficient for practitioners. It uses conductive material built into the vest which links directly to the device, the data can then be sent wirelessly to wherever it is being viewed (OpenField console, iPad, iPhone, etc).
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