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| | Product Details | | Package Length: | 6.2 inches | | Package Width: | 4.3 inches | | Package Height: | 2.9 inches | | Package Weight: | 0.7 pounds | | Average Customer Rating: |  based on 16 reviews |
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| | Customer Reviews | Average Customer Review: ( 16 customer reviews )
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Most Helpful Customer Reviews
9 of 9 found the following review helpful:
 The best heart rate monitor for rowers Aug 06, 2009
By I. P. Simpson
I first saw this heart rate monitor when it was recommended in a review on the [...]on-line store. It was described as being the best heart rate monitor for rowers. Having now got one, I have to say it is really good value for money. I use it mainly for cycling, but I have also used it on the indoor rowing machine. It is very easy to use and gives great feedback. I like to strap it onto the top of my handlebars, next to my cadence/speedometer, and I have no problem reading the display. The digital coded chest belt works really well even in a crowded erg room surrounded by other people using HRMs. It has a calorie counter, which isn't of much use for me, but some people may like that feature. What I really like using it for is to maintain the same workout intensity level when I'm battling into a head wind as when I had the wind behind me. Since using the Sigma Onyx Classic, my average speed has increased almost 10%, just because I'm being smarter about how I work out.
2 of 2 found the following review helpful:
 According to this HRM, I'm dead! Jun 14, 2010
By E. Mohr
Out of the box, I couldn't get this HRM to work. The watch part worked fine and was fairly easy to set up (hence the 2 stars), but I couldn't get it to sync with the chest strap. I followed the directions and troubleshooting suggestions (though there weren't many), and even went out and bought a brand new battery for the chest strap - still nothing. I tried it on my husband, apparently he's dead, too. I have no idea where a typical consumer would find "cardio gel", which is the other suggested chest strap contact moistening agent besides saliva, so I didn't try it with cardio gel on the contacts. If this HRM really needs "cardio gel" to work properly, that is already too much of a hassle for me, anyway. It's getting returned while I search for an alternative.
2 of 2 found the following review helpful:
Works great. Mar 03, 2010
By E. Martin
"value hound"
For a low-cost HRM, it's pretty great. Nice features, esp. Calorie Counter and Average HR. Once you get used to the button scheme, it's really easy to use (the silver ring around the face is the button-you either push the top of it, the bottom of it, or both together to work the options). Mine has been flawless. My wife's model (the light blue one) occasionally loses connection to the chest strap, but rebooting the watch usually fixes that. I still give it 5 stars because of value.
2 of 2 found the following review helpful:
A good basic heart monitor Feb 10, 2010
By J. Bates
"Jess S Bates"
This is a good basic heart monitor. Once you've run through its controls a couple of times, it's easy to use. It makes it easy to keep tabs on how you progress with your fitness plan. Overall it does what it is supposed to.
1 of 1 found the following review helpful:
 Updated to 4 stars Aug 29, 2010
By Vito_jr
Hi,
I purchased this @ 8 months ago and use it 1 hour per day, 5 days per week, 3 while lifting weights and 2 on cardio machines. The monitor has a lot to like: easy to read display, very easy menu system, good amount of data, smallish design, does not get interference from other units, simple to use. The monitor is controlled by touching a ring around the watch face. At first this was appealing to me as it seemed very easy to use. The downside is while using weight machines some of the parts (cables) brush against the ring and activate it. I have learned that for those machines I need to turn the strap so that the watch face is on the underside of my wrist. No big deal.
What I don't like: very poor strap design (1st one shorted out because sweat got into the battery compartment). I have to ask, what were the engineers thinking? Put the battery compartment on the side away from the chest! However, Sigma told me I left out the O ring when I changed the battery... I beg to differ. I also wish the chest strap could be read by the cardio machines, but I know that it is a coded strap. Next one I buy will not be coded. I also don't like that you need a tiny "tool" supplied by Sigma to change the watch battery. It is amazing I haven't lost it yet.
However, Sigma's CS was superb returning the strap within 5 days.
Recently the heart rate has been dropping while on the cardio machines (no, my heart is still beating). This is annoying as it screws up my session numbers and I have to hold onto the machine monitors until it picks it back up. I have obviously put in fresh batteries but the problem remains. It seems to stop somewhere around 20-30 minutes into the session. I will be ordering some contact gel to see if that helps. I will post back and let you know. If the gel doesn't work I will give the unit 2 stars. The design of the watch is perfect for me but the strap design is flawed imo. An item like this should last at least 1 year without any problems if it is taken care of.
Hi - have been using the strap with Spectra 360 Electrode Gel ($5) and the performance has really increased. I place a (good sized) jelly bean splotch of the gel on the electrodes of the strap (one splotch on each eletrode) and the monitor has not faulted. I do sweat a lot and have a slightly hairy chest, so the gel is probably needed with any chest monitor.
I am also going to give Sigma the benefit of the doubt regarding the moisture getting into the unit - maybe I did screw up with the O ring. Anyway it has been working fine for 5 weeks and is now over a year of use. Review changed to 4 stars.
See all 16 customer reviews on Amazon.com
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