Polar RS400sd Heart Rate Monitor Watch with Free IRDA - USB 2.0 Interface
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Product Feature
- Innovative heart-rate-monitor watch designed for avid runners
- Includes foot pod that attaches comfortably to running shoe laces
- Accurately and wirelessly measures speed, distance, pace, and performance
- Visual and audible target zone alarms; syncs with Polar Pro Trainer 5 software
- Comes with Polar T31 coded HR transmitter belt; records 99 exercise files
Product Description
The RS400sd adds in running speed, pace and distance with the S1 foot pod, so the active runner who runs multiple events each year can monitor all elements affecting performance. The Running Index feature will help the athlete to improve their running efficiency, which in turn indicates an improvement in their economy of running performance.Polar RS400sd Heart Rate Monitor Watch with Free IRDA - USB 2.0 Interface Review
The RS400 foot pod gives very repeatable results. Initially, with no calibration, the foot pod was 7% accurate for me. It didn't matter if the distance was 3 miles or 9 miles it maintained a 7% error. I did a manual correction using data from a 7 mile run and the unit is now about 1-2% accurate. I think I can improve it better if I calibrate it using data taken from a 1600m track run. I personally like doing the manual correction because it allows me go back to a previous factor if a new one does not perform better.My wife happens to have the Garmin Forerunner 405 while I went with the Polar RS400sd so we have been able to compare both systems. They both can measure and record your workouts and come with s/w for your computer. Both s/w packages have a workout diary and allow you to define custom workouts and upload them to your watch. This feature is great for interval training. No more having to remember how many laps you've completed or how much your pace should change. I think the Garmin s/w might have a slight edge compared to Polar's. Overall both systems work very well, each with their +/-. Here are some notable features for each.
Polar RS400 Pros:
-No need to look for GPS satellite signals
-Very Repeatable results
-Calories burned calculation based on hear rate.
-Good battery life
-Display Screens very customizable
-Capable of manual calibration
-comfortable wrist unit
Polar RS400 Cons:
-Do need to calibrate foot pod for best accuracy
-Downloading workout data is temperamental with IR connection
-Auto laping feature based on start of workout not on the start of the last lap. It would be cool to be able to record a lap manually and then continue auto laping based on that point.
-foot pod is a little bulky (but surprisingly unnoticeable while running)
-Have to manually erase workout data after download. Would be nice if this was done automatically.
Garmin 405 Pros:
-GPS receiver in wrist unit
-No need to calibrate
-Actual route can be viewed on a map
-Buttonless screen navigation
-Data download connection to computer is very robust.
Garmin 405 Cons:
-Have to set you watch out for a few minutes to look for GPS satellites
-Watch unit needs to be recharged regularly (GPS is power hungry)
-Watch is a little bulky
-Buttonless screen feature can be temperamental during a workout
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