These days we have contemporary software platforms with Python, Home Assistant, InfluxDB, Grafana and MQTT, but all Polar has to offer for clinical and research applications are Polar E600 chest strap with Polar T31 heart rate monitor

Also this is a topic we would expect to be discussed and reviewed by the Swiss Federal Institute of Sport Magglingen SFISM, Montclair State University, Rob ter Horst and Polar.