But for others who would like to take heart rate monitoring more seriously, a device might become very handy: the heart rate monitor. Heart rate monitors come is different form but the most common is the belt chest heart rate monitor. The belt chest heart rate monitor however does not stand by itself. But if you do not have a fitness expert to guide you, there is one device that could replace them: heart rate monitor. Heart rate monitor is designed to be the ultimate exercise companion even if fitness trainers are available. Heart rate monitor gives virtually the same expertise with that of a fitness trainer. And if you train so hard without knowing your right limit, you might not be able to convert all the energy you have exerted. In other words, without Nike heart rate monitor in hand, you are prone either to over-train or under-train. That is not all; Nike heart rate monitor also comes with several features that would give you more reason to exercise. While you busy yourself to keep on tract, these Polar heart rate monitors are busy to keep your heart monitored and track your distance and speed. People who love cycling need not to worry about the monitoring of their heart rate. Polar heart rate monitors have Polar S725X, S720i, CS200, CS200cad, CS300, CS100b, CS100. Discount Heart Rate Monitor The basic normal heart rate monitor with basic features would often cost around $50-$100 while higher models with several upgraded features and killer design would range between $100-$350. This is okay if you are earning so much or if you only need one heart rate monitor. But if you require to have several units or if you are not so blessed with much resources, at this price, you might not get the right model and right quantity you wanted. It also does not mean you have to order immediately the particular heart rate monitor recommended by a friend. And, buying would not mean you have to take the top of the line heart rate monitor equipped with complete features and the latest technological breakthroughs. While these would be good reasons to buy your first heart rate monitor, it might be unwise.