Heart Rate Monitor Polar H9 HR SENSOR Breast ANT+ Black

The Polar H9 HR SENSOR is a chest-worn heart rate monitor designed for everyday sports and training. Using ANT+ and Bluetooth connectivity, the sensor transmits real-time heart rate data to compatible apps, sports watches, bike computers and gym equipment. The strap is made from elastin, polyamide and polyester for comfortable wear during workouts, and the unit is powered by a CR2025 battery that provides long battery life without frequent replacements.

Advantages

Polar H9 provides accurate heart rate measurement through a chest strap placement, which allows rapid response to changes in cardiac activity and reliable calorie estimates. The sensor supports ANT+, Bluetooth and 5 kHz connections, enabling simultaneous pairing with multiple devices and wide compatibility with fitness apps, training software and gym systems. Lightweight construction and materials designed for comfort make the strap suitable for extended sessions.

Suitable for

• Indoor and outdoor running
• Gym workouts and group exercise classes
• Cycling with bike computers or smartphone apps
• Structured training with sports watches and coaching apps
• Group heart rate systems used in fitness studios

Key specifications

• Connectivity: ANT+, Bluetooth, 5 kHz transmission
• Weight: approximately 60 g
• Strap materials: elastin, polyamide, polyester
• Power source: CR2025 coin cell battery
• Battery life: up to 400 hours of use
• Placement: chest strap for direct heart rate sensing

How to use

Fasten the Polar Soft Strap around your chest so that the sensor sits just below the breastbone with the logo centered. Moisten the electrode areas on the strap slightly to improve contact. Pair the sensor with your chosen device or app by enabling Bluetooth or ANT+ on the receiving device and following the app or device pairing instructions. Start your training session in the app or device to receive live heart rate data and calorie estimates.

Usage recommendations

Regularly replace the CR2025 battery when low and rinse the strap after sweaty sessions. Avoid machine washing the sensor module; detach it from the strap before cleaning. Verify compatibility with your app, watch or gym system before use to ensure proper data transfer.