To: Stock Farmer who wrote (109447 ) 12/10/2001 2:30:01 PM From: Wyätt Gwyön Read Replies (1) | Respond to of 152472 exercise biostatistics? the lowly wristwatch is mighty indeed. hell, the polar S810, costing ~$355, can even do Vo2 max. The new S810 is like having a sports research facility at your disposal. Infrared technology links this powerful HRM to your PC. R-R Variability, a Polar exclusive feature allows you to test your stress levels and detect overtraining. This is the perfect unit for a research facility or advanced coaching programs.... Polar S-Series Features: Serious athletes need key information to help them achieve their ultimate performance level. Vo2max, energy expenditure, Power and pedaling efficiency are all key personal performance measurements. And now this information is available from Polar, the leaders in performance monitoring technology. The S-Series, serious tools for serious athletes. Polar exclusive features in all S-Series models: OwnIndexS™-Vo2 max measurement OwnCalS™-Energy expenditure feature OwnCode™-Personal transmission feature Exercise Set™-program the parameters of five key workouts (TZs, Timers) scalesgalore.com other features:polar.fi Basic Functions Water resistant to 50 metres Target zones with visible audible alarm Backlight OwnCode - coded transmission Stopwatch Calendar Exercise profile function Recovery function Lap times with heart rate Maximum/average heart rate of each lap Fitness Features OwnCals – calorie expenditure OwnIndexs and Polar Fitness Test Predicted maximum heart rate Recording/Memory Functions Total exercise time Time in target zone (in, below, above) Average heart rate of total training Maximum & minimum heart rate of total training Training file info page Downloads data to computer (infrared) Online with IR interface Uploads data from computer 99 exercise files available Relaxation rate display R-R recording (beat to beat measurement)