Abstract: The invention relates to a heart rate monitor electrode (1). The electrode comprises a mounting (2), conductive points (23) and a plate of absorbent material (4). The free end (24) of at least some of the conductive points (23) is flush with the contact surface of the plate of absorbent material (4) or stands proud from same when the plate of absorbent material (4) is in at least partial compressed form and releases at least a portion of the liquid it contains. According to other aspects, the invention relates to a device comprising at least one such electrode (1) and a method for measuring heart rate by means of the same.