This creation system provides a kind of armband formula cardiac rate detecting band, cardiac rate is measured when being moved with what, and the information of cardiac rate is transmitted in the display device for the indoor sports equipment that user uses, so that user knows its cardiac rate, and known more inconvenient cardiac rate detecting mode is solved, the armband formula cardiac rate detecting band of this creation includes a cardiac rate arrangement for detecting and a band body. The cardiac rate arrangement for detecting includes a power-supply unit, a cardiac rate sensing unit, an acceleration sensing unit, a signal processing unit and a signal transmission unit； And the both ends of the band body connect to the two sides of the cardiac rate arrangement for detecting.本創作係提供一種臂帶式心跳率偵測帶，用於運動時量測心跳率，並將心跳率的資訊傳輸至使用者使用的室內運動器材之顯示裝置上，以供使用者知悉其心跳率，並解決習知較為不方便的心跳率偵測方式，本創作之臂帶式心跳率偵測帶包括一心跳率偵測裝置以及一帶體。該心跳率偵測裝置包含一電源供應單元、一心跳率感測單元、一加速度感測單元、一訊號處理單元及一訊號傳輸單元；以及該帶體之兩端係連接至該心跳率偵測裝置之兩側。
