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Cardiosport TP3 Bluetoth ANT+ Heart Rate Monitor

Product Info

The Cardiosport TP3 Duplex monitors your heart rate using Bluetooth Smart and ANT+ connectivity and connects to a wide variety of popular health and fitness apps and devices. 

Compatible Apps

Map My Run
Wahoo Fitness
Map My Fitness
Map My Ride

Map My Run            Runtastic                Wahoo Fitness       Cyclemeter           Map My Fitness

    Strava                Map My Ride          Endomondo               Zwift

Set Up Guide

This is a brief guide to setting up your TP3 Duplex with your chosen app or ANT+ device


The TP3 Duplexheart rate monitor is designed to be used on iPhones 4s and newer, iPad 3rd generation, iPad Air and iPod 5th Gen.


The TP3 Duplex heart rate monitor is also designed to be used on android devices equiped with Bluetooth 4.0 running version 4.3 or newer. Android devices will require third party apps to access the devices Bluetooth 4.0 (Bluetooth Smart).


If you are planning on using the TP3 Duplex with one of the many compatible fitness apps on Google Play, please ensure that the app you have chosen can be installed on your Android device before purchasing a TP3 Duplex.  


The TP3 Duplex heart rate monitor is also designed to be used on all compatible ANT+ devices.  

How to wear the TP3

  • Attach the sensor pod to the chest strap using the poppers on the front of the strap, the sensor pod will snap onto the poppers securely.

  • Adjust the strap to fit your lower chest so that it is tight, yet breathable and comfortable. 

  • If necessary moisten the electrodes using a small amount of water, saliva or electrode heart rate gel to aid the connection.

  • The TP3 uses on chest detection to activate and will be monitoring your heart rate as soon as heart rate is detected

How to pair the TP3

  • Download your chosen fitness app from the list below

  • Open/Install the app on your Smart phon/device

  • Put on your TP3 following the instructions above, by wearing the chest belt it will automatically wake up with on chest heart rate detection.

  • Look for the sensors icon on your app or follow the sensor pairing instructions on your chosen app

  • When you have found the Cardiosport TP3 select 'add sensor' or 'save sensor' if applicable on the app

  • Some apps may ask you to asign your sensor a workout profile eg: Running, Cycling, Hiking etc... Select the work out profile you intend to monitor heart rate for and select 'done' or 'finish' if applicable on the app. 


  • Once you have finished pairing your Cardiosport TP3 to your chosen fitness app, select the exercise you want to do, your are good to go!

How to pair the TP3 Duplex to an ANT+ device

  • Put on your TP3 following the instructions above, by wearing the chest belt it will automatically wake up with on chest heart rate detection.

  • Follow the pairing instructions on your ANT+ device by searching for heart rate monitors.

  • Some ANT+ will automatically pair to a sensor when it is activated and display an ANT+ ID code.

  • When your ANT+ device shows that your TP3  has paired and displays an ID code, it is is now paired. There is no need to manually pair your TP3 every time to your ANT+ device, depending on your ANT+ device it will automatically pair when the heart rate monitor is next activated.

Changing the TP3 battery

The TP3 has the longest battery life of any heart rate monitor on the market, but if you do find the need to replace the battery simply follow these easy steps.

  • Using a coin insert the coind edge into the groove in the centre of the battery door. Rotate the battery door following the arrows and OPEN and CLOSED marks untill the door can be removed

  • Remove the dead CR2032 battery and replace with a new battery with the writing on the top of battery facing up.​

  • Re-attach the battery door and rotate until the door is firmly shut

Troubleshooting FAQ

Why won't my TP3 pair to my phone?

  • To ensure that your TP3 pairs directly to the app you have downloaded please ensure you have Bluetooth switched on on your device before attempting to pair.

Do I need to pair to my phone first?

  • No, you do not need to pair the TP3 to your phone first, because the TP3 uses Bluetooth Smart it is only required to pair to the app on your phone. 

I am struggling to get a heart rate reading from the TP3 and it doesn't show up under the list of sensors?

  • This can be caused by a weak ECG signal from the body, by using a small amount of water, saliva or electrode gel on the contact point between the skin and electrodes on the chest belt it can help improve the connection and activate your TP3​.

Can I pair my TP3 with another phone or app?

  • Yes your TP3 can be paired with more than one phone/apps. If you are switching between devices or apps then you can still use your TP3 for different devices. Simply pair your TP3 in the same way as before and you now have a heart rate monitor for multiple devices.  

Can I pair my TP3 to my phone app and ANT+ device at the same time?

  • Yes your TP3 is designed to work simultaneously using Bluetooth Smart to send data to your phone app and using ANT+ to send data to your bike computer or similar ANT+ device.

Can I pair my TP3 with multiple apps and phones at once?

  • If you are just using Bluetooth Smart, then Unfortunately not. Once your TP3 is paired to the app on your phone it cannot be paired to another device while in use. However, TP3 can be paired to different apps and devices if one device is paired via Bluetooth Smart and the other app/device is paired via ANT+.

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