When the battery dies you will need to replace the whole heart rate sensor structure of the transmitter is sealed.
Polar t31 transmitter battery replacement.
Measure just under the breasts chest area.
Troubleshooting heart rate signal reception if your polar training computer sensor is not working as it should try troubleshooting before contacting your closest polar service.
Find nearest polar retailer from polar service finder.
The average battery lifetime of polar t31 and t31c transmitter is 2500 hours of use.
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With a new cr2032 battery and an eyeglasses screwdriver you should be able to r.
How to replace the battery in your polar t31 heart rate monitor chest strap.
How to replace a polar t31 chest transmitter battery.
When the battery dies you will need to replace the whole heart rate sensor.
Polar t31 t31c transmitter maintenance with good care your t31 t31c heart rate sensor last longer.
Polar t31 t31c transmitter maintenance with good care your t31 t31c heart rate sensor last longer.
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The average battery lifetime of polar t31 and t31c transmitter is 2500 hours of use.
With polar accessories you can upgrade your heart rate monitor or mobile application.