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Main Difference between Polar S120 and S150

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Main Difference between Polar S120 and S150

Old 05-26-06, 07:33 AM
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Main Difference between Polar S120 and S150

The LBS wants $200 cdn for the Polar 120. I have seen the S150 on Ebay for $78 cdn.

Is there a major difference between the Two?


It seems the S150 may be an older model as it's not in the Polar product brochure I just received. Does it have user replaceable batteries?



S120



S150

I just want a basic unit, is the cheaper S150 the way to go?
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Old 05-26-06, 08:12 PM
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No answers? I thought somebody would know, I suppose I'll have to research it myself.....
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Old 05-26-06, 08:17 PM
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I have the 150 and like it.

If I recall....the difference between the two is that the 150 can be mounted and used on the bike for speed and distance while the 120 is strictly just a heart monitor.

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Old 05-26-06, 09:05 PM
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Originally Posted by ViperZ
The LBS wants $200 cdn for the Polar 120. I have seen the S150 on Ebay for $78 cdn.

Is there a major difference between the Two?


It seems the S150 may be an older model as it's not in the Polar product brochure I just received. Does it have user replaceable batteries?

I just want a basic unit, is the cheaper S150 the way to go?
Even if Polar says the batteries are not user replaceable, they are indeed easy to replace and easy to find replacements. I have the 710 and replace the batteries myself (they last about 1 year). Takes me about 30 seconds.
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Old 05-26-06, 10:06 PM
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I have the 150...
The only difference is that the 150 has a bike computer whereas the 120 does not.
I haven't used the cyclocomputer but I imagine it works....I only bought it because it was cheaper for the 'same' HRM features.

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Old 05-27-06, 12:19 AM
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Great timing for this post, I've been trying to decide which one to buy also, I'm going to Performance tomorrow to buy the S150.
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Old 05-27-06, 08:05 AM
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Thanks for the response. So it would seem the S120 is aimed at Runners and the S150 is aimed for cycling.

Surprizing the S120 cost more , even on ebay.

I think I may go with the S150 if it's between the 2. It seems to be available for less and seems to have the same features, and is more aimed for my sport.


I only ask about the batteries for a club memember told me to be aware a lot of Heart Rate Monitors do not have user replaceable batteries in the chest belts and you actually have to buy a new unit once the batteries die.
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Old 05-27-06, 09:45 AM
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Originally Posted by ViperZ
Thanks for the response. So it would seem the S120 is aimed at Runners and the S150 is aimed for cycling.

Surprizing the S120 cost more , even on ebay.

I think I may go with the S150 if it's between the 2. It seems to be available for less and seems to have the same features, and is more aimed for my sport.


I only ask about the batteries for a club memember told me to be aware a lot of Heart Rate Monitors do not have user replaceable batteries in the chest belts and you actually have to buy a new unit once the batteries die.
The last statement is correct about Polar, the chest straps do not have replaceable batteries, as they are sealed units, you will need to buy a new strap, but I have one that has lasted three years.
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Old 05-27-06, 09:52 AM
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Originally Posted by ViperZ
Thanks for the response. So it would seem the S120 is aimed at Runners and the S150 is aimed for cycling.

Surprizing the S120 cost more , even on ebay.

I think I may go with the S150 if it's between the 2. It seems to be available for less and seems to have the same features, and is more aimed for my sport.


I only ask about the batteries for a club memember told me to be aware a lot of Heart Rate Monitors do not have user replaceable batteries in the chest belts and you actually have to buy a new unit once the batteries die.
You can get the S150 at Performance on sale for 79.99 right now.

https://www.performancebike.com/shop/...tegory_ID=4115
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Old 05-27-06, 10:47 AM
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Of the two, get the 150. It has all the features of the 120 for runners, plus basic cyclecomputer functions (speed, distance). The speed sensor is a wired front wheel mount. The only significant issue I encountered is the HRM sensor is an analog unit - it is very succeptible to interference from overhead high-voltage power lines. Compared to wired front-mount cyclecomputers, you don't get as much cycling data displayed at once (The last line of the display is reserved for HR data). And the menu/button system is more complicated. The "lap" function is handy for getting data and timing segments of rides (like the hill you're determined to conquer), although I don't think it records the distance covered in each lap. I had NO success with the audio link data transfer feature.

Polar wants you to send them the watch for battery replacement; you can do it yourself at the risk of ruining the water resistance (since I don't swim with the watch, it isn't a big deal for me).

The 3 target zones feature is a little misleading. You can enter data defining the bottom and top HR for 3 zones. You can set the HRM to track time in/above/below for ONE zone at a time. It will not collect data for a different zone unless you switch zones.

I still have my 150, but replaced it last season with a 720 - I wanted better data logging features, a reliable data link, and the digital HR sensor is much less succeptible to the power lines above a bike trail I use for at least part of most of my rides.
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Old 05-27-06, 05:13 PM
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Thanks for the Performance Link. I had noticed them in the catalog at that price too.

The 720 sounds nice One unit that look snice that is over the top is the AXN700. It could replace my Sunnto Vector as my Outdoor watch.



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Old 05-30-06, 12:18 PM
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I decided to just go with S150, at $72 + $8 shipping on ebay, it seemed like an obvious choice.



If I find I'm really into using this I may upgrade, but for now it'll be a interesting tool to gauge my precieved exertion levels to what the the HRM is telling me.

Thanks for everyone's help
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