Polar T31 Coded Chest Transmitter and Elastic Strap
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Polar T31 Coded Chest Transmitter and Elastic Strap has a rating of 4.8 stars based on 33 reviews.

By Polar

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The Polar T31 Coded Transmitter is Slim, light and waterproof all while transmitting your heart rate to your wrist unit ECG (electrocardiogram) accurately.  

Coding prevents cross-talk from other electrical devices and The Polar T31 Coded Transmitter delivers 2,500 hours of operation, estimated at 2-5 years of use based on exercising 10 hours a week.

The T31 coded is great for swimmers - it is fully water resistant making them the most effective exercise tools for measuring your heart rate while involved in water sport. 

The T31 coded transmitter does not have a user replaceable battery, and must be entirely replaced when battery is depleted. We recommend the Polar H1 Transmitter for those looking for user replaceable batteries. 


Chest Strap Sizing

  • XS (18 to 25 inches)
  • Small (23 to 47 inches)
  • Medium (25 to 54 inches)
  • Large (33 to 63 inches

HRM USA is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase any product sold by an Authorized Dealer of that specific product offered at lower price. Proof of lower price is required.

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