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How accurate is the Polar S1 Foot Pod and S3 Stride Sensor

Tuesday, October 30th, 2007
Answer: exceptionally accurate. Having used the Polar S1 Foot Pod with my Polar S625X and now the S3 Stride Sensor with my RS800sd on the same routes, I know that they are both equally accurate. However, that has presented a problem for me, because they both confirmed that I am now slow. Thinking that wasn’t possible and also needing to be smarter on my solo runs all over Albuquerque and in the Sandia Mountains, I decided to upgrade my Sprint phone to a GPS enabled Katana II and use Wireless Run Tracker to track my runs (and find me in case something happened to me on a run). Sadly, the GPS only confirmed what I knew in my heart - my S3 Stride Sensor was only one one hundredth of a mile off in a 45:00 run and yes, I am slow…

Activity
Route: Elev. Avg: 5375 ft
Location: Albuquerque Radar Site, NM Elev. Gain: +3 ft
Date: 10/29/07 Up/Downhill: [+265/-262]
Time: 03:55 PM Difficulty: 2.9 / 5.0
 
Weather: Fair
  59 F temp; 38%% humidity
  59 F heat index; winds NE 5 MPH
Notes
Third testing run with the Katana II phone. Exceptionally easy to use.
Map

 
Elevation (ft)

 

Polar S725X - Simply Irresistible Gear

Wednesday, August 30th, 2006

Every so often a bicycle or accessory beckons us beyond our control. For whatever reason–the features, performance, value, looks, or all four–they entice us into their gravitational pull, win our hearts and inspire a devotion that could make a lover jealous.
Polar rules the heart rate monitor market, with more innovation and more features than other manufacturers offer. The Polar S725x is the only single HRM that can measure heart rate, power, cadence, temperature and altitude, all while providing features such as an interval mode that automatically generates a segmented workout with adjustable split times and heart rate highs and lows. Download this data to your PC (and with third-party software and some effort, to your Mac), and you can generate a digital workout diary to use with the Polar’s online Personal Trainer to track and meet your goals. And seeing your daily efforts and future targets on a graph motivates you toward more consistent efforts without over or undertraining.–Michael Frank, Bicycling.com September 2006

“Just Get A Polar” - from Danny Glasser

Tuesday, July 18th, 2006

For Father’s Day this year I got a heart rate monitor, or to be precise, I was authorized to purchase myself a heart rate monitor. Not having any experience with HRMs nor having done much research, I went to REI to pick one out.

I’d already decided that I didn’t want to spend much more than $100 on an HRM and that I didn’t need fancy features for what would mostly be treadmill use. My initial first choice was the Highgear PulseWear Duo, mostly because I was nervous about using the chest strap and liked the idea of having a model that would sample the heart rate without it. However, I was quickly talked out of it by the salesperson, who said that he’d seen a lot of returns for that model, that the fingertip-based measurement wasn’t highly accurate, and that the main benefit of the HRM comes from sustained measurement (i.e. the chest strap is the whole point). He steered me toward Polar but in the end I opted for the Timex 30-Lap Ironman Triathlon, because the feature set seemed a little more useful and I figured the Timex would be more reliable.

Not so much. I found that the HRM frequently lost contact with the chest strap, sometimes right after a workout, but sometimes in the middle of the workout. Taking the strap off and readjusting it didn’t make a difference. It wasn’t due to lack of moisture, and I tightened the chest strap and replaced its battery to no avail. After a couple of weeks I called Timex Customer Service. I was very impressed that within a minute of calling I was talking to a real tech support person, but after hearing my description of the situation his recommendation was to send the unit to them for repair. At that point I decided to go back to REI and exchange it for a different model. I’d since received two independent recommendations to “just get a Polar”, so that’s what I did.

I’ve now had the Polar F6 for two days. I don’t want to jinx myself, but so far I’ve had absoutely no problems with the HRM receiving its signals from the chest strap (which wasn’t true of the Timex at that point). Furthermore, the Polar is simply a better HRM. The Timex is more of a watch-HRM hybrid, whereas the Polar is clearly designed with the primary intent of being an HRM (and is a mediocre watch). There are at least five little things in its design and implementation that make me like it better and even some of the frivolous features now seem useful.

It’s also helped me have the “duh!” moment that my exercise program isn’t meeting my goals, but that’s a story for another day.

http://dglasser.spaces.msn.com/

Polar F55 Heart Rate Monitor - from Mr. Gadget

Tuesday, July 18th, 2006

It would seem people in general are becoming more aware of the benefits of living a more active lifestyle. Not only do you lose weight due to an increased metabolism, but you obtain an elevated self-image, better quality sleep and greater levels of energy and therefore concentration during the day. However having this knowledge is one thing, but translating it into reality is another! So why not consider the new Polar F55 Male Heart Rate Monitor Watch to aid you in goal-focused, successful training, therefore reaping the rewards of increased fitness levels!

This watch will measure your heart rate constantly as you exercise… but that’s only the beginning. It will help guide you in strength training, helping you keep track of your sets, reps and what weight you are lifting for each exercise. It helps you set fitness goals by setting up your own specific programs. No more using your bad memory as an excuse. It even has an alarm to remind you if you forget your workout all together! The F55 also boasts the ability to measure your general fitness levels by approximately calculating your maximum oxygen uptake, or in laymen’s terms, the ability for you to get oxygen from your lungs to your body, which is what cardio-respiratory fitness is.

http://www.mrgadget.com.au