Meet the Neulog Digital ECG Logger: a smart sensor that measures and displays heartbeat data, allowing you to graph your heart’s electrical activity from 3 different angles. The logger sensor comes with an ECG probe with 3 alligator clips that attach 3 reusable clamp leads.
The ECG logger sensor has a plug and play design. It works with PCs, Macs, and smartphones. Costs under $300 at this time.