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  1. #1
    The Crank
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    Polar CS100 cadence transmitter - limited range

    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.?

  2. #2
    Senior Member
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    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.

  3. #3
    The Crank
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    Thanks - is the limited transimttion range probably due to weak battery?

  4. #4
    The Crank
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    Quote Originally Posted by tomgdaly View Post
    Thanks - is the limited transimttion range probably due to weak battery?
    Ha - good answer here - http://brianlewis.net/misc/Polar_CS_Sensors/

  5. #5
    Senior Member
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    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.

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