Heart Rate Monitor Problem

[[old] Annabassand]

Hi <br /><br />I mostly train using a heart rate monitor (Polar S410) and quite often I find that the monitor falls out (Heart rate at 00). <br /><br />Does anyone know which frequency the heart rate monitor uses? Can wireless network or other communication networks disturb it? Any other reasons why this happens? <br /><br />Thanks in advance<br />Anna

[[old] jamesg]

I find a certain amount of sweat is needed to ensure good electrical contact between me and my band and so provide a signal.<br />Batteries can fail too.

[[old] stuartg]

<!--QuoteBegin-Annabassand+Sep 19 2005, 04:48 PM--><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td><div class='genmed'><b>QUOTE(Annabassand @ Sep 19 2005, 04:48 PM)</b></div></td></tr><tr><td class='quote'><!--QuoteEBegin-->Hi <br /><br />I mostly train using a heart rate monitor (Polar S410) and quite often I find that the monitor falls out (Heart rate at 00). <br /><br />Does anyone know which frequency the heart rate monitor uses? Can wireless network or other communication networks disturb it? Any other reasons why this happens? <br /><br />Thanks in advance<br />Anna <br /> </td></tr></table><br /><br />Hi Anna<br />Yes my monitor sometimes goes a bit haywire when near electrical sources (computer, car etc). Once I was riding past an electrified railway line, looked at my heart rate monitor and thought I was having a heart attack. <br />Stu

[[old] c2bill]

this comes from scott (our electronic engineer)<br /><br /><!--QuoteBegin--><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td><div class='genmed'><b>QUOTE</b></div></td></tr><tr><td class='quote'><!--QuoteEBegin-->about 5Khz magnetic field transmission.  Wireless network: unlikely.  More likely range or magnetic field generated by TV/Stereo speakers/etc.  </td></tr></table><br /><br />-bp

[[old] Annabassand]

Hi <br /><br />Thanks for clearing that up. It could possibly be a monster speaker which is placed next to the rower. I will try and puch it back a bit and see what happens. <br /><br />BTW: Bill I hope you got my response to your questions (the posts don't appear in my personal "sent items"). <br /><br />Thanks <br />/Anna