Bicycle Mechanics - Polar CS100 cadence transmitter - limited range

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tomgdaly
08-17-11, 03:35 PM
My Polar Cadence sensor won't transmit beyone about 18 inches. In other words, if I move the receiver near it, it works but not when it is on the handlebars.
Does this mean that it is basically 'worn out' and needs replacing? I presume I can't change the battery etc.?

Drew Eckhardt
08-17-11, 03:38 PM
People have cut the Polar transmitters open and replaced the batteries. A web search should find pictures. IIRC Polar also has some sort of exchange program which is less expensive than new sensors via retail channels.
tomgdaly
08-17-11, 04:00 PM
Thanks - is the limited transimttion range probably due to weak battery?

tomgdaly
08-17-11, 04:09 PM
Thanks - is the limited transimttion range probably due to weak battery?

Ha - good answer here - http://brianlewis.net/misc/Polar_CS_Sensors/
dsbrantjr
08-17-11, 05:30 PM
Planned obsolescence at its worst! The designer who put a replaceable battery into a housing that has to be cut open to replace it should be taken out and shot, IMO.