Sub £30 heart rate monitor

tommy_tommy
tommy_tommy Posts: 91
edited July 2008 in Workshop
I am looking for a cheap heart rate montior to regular the intensity of my turbo sessions. I found the polar Fs1 advertised at £25.00. Does anyone know if it possible to change the battery yourself with the FS1. If not how much does it cost to have the battery changed. Is there any alternative HRM at in this price range.

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