1. はじめに
The iGPSPORT HR40 is a high-precision heart rate monitor designed to track your heart rate in real-time during various physical activities. Utilizing both ANT+ and Bluetooth 4.0 BLE technology, it offers broad compatibility with a wide range of fitness devices and applications. Its comfortable, adjustable chest strap and waterproof design make it suitable for diverse training environments.
2.製品オーバーview
主な特徴
- Real-time ECG Measurement: Provides accurate heart rate data for effective training.
- デュアル接続: Supports ANT+ for bike computers and GPS watches, and Bluetooth 4.0 BLE for smartphones and tablets.
- 快適なデザイン: Lightweight (approximately 47g) with an adjustable, skin-friendly textile strap (65-95 cm length, 65-120 cm chest circumference).
- IPX7防水性: Designed to withstand splashes, rain, and sweat.
- 長いバッテリー寿命: Powered by a CR2032 coin cell battery, offering up to 1 year of use (based on 1 hour/day).
- 幅広いアプリ互換性: Works with popular fitness applications such as Endomondo, UA Run, Polar Beat, WahooFitness, MountainBike, ALA COACH, Zwift, and iGPSPORT for iOS and Android.
パッケージ内容
The iGPSPORT HR40 package includes:
- iGPSPORT HR40 Heart Rate Monitor Unit (1)
- Adjustable Chest Strap (1)
- CR2032 Cell Battery (pre-installed or included separately) (1)
- Quick Start Manual (1)

Image: Contents of the iGPSPORT HR40 package, showing the monitor, chest strap, and manual.
3. セットアップ
3.1 バッテリーの取り付け
The HR40 uses a CR2032 coin cell battery. If not pre-installed, open the battery cover on the back of the monitor unit using a coin, insert the battery with the positive (+) side facing up, and securely close the cover.
3.2 心拍モニターの装着
- 電極を湿らせる: Wet the two electrode areas on the back of the chest strap with water or electrode gel before wearing. This ensures good contact and accurate heart rate detection.
- モニターを接続する: Snap the HR40 monitor unit onto the chest strap connectors, ensuring the iGPSPORT logo faces upwards.
- Position Strap: Place the chest strap around your chest, directly below your pectoral muscles. Adjust the strap length for a snug, comfortable fit that stays in place during activity. The monitor should be centered on your chest.

Image: Visual guide for wearing the HR40 heart rate monitor and understanding indicator lights.
3.3 デバイスとのペアリング
The HR40 supports both ANT+ and Bluetooth connectivity. Ensure the monitor is worn correctly and active (indicated by a flashing light) before attempting to pair.
ANT+ペアリング:
The HR40 can be directly paired with any ANT+ compatible device, such as bike computers (e.g., Garmin, Wahoo, iGPSPORT), GPS watches, or fitness equipment. Refer to your device's manual for specific pairing instructions. Typically, you will navigate to the sensor settings and select 'Add Heart Rate Sensor'.
Bluetoothのペアリング:
For smartphones or tablets, the HR40 requires a compatible fitness application to connect via Bluetooth. It cannot be paired directly through your device's Bluetooth settings. Open your preferred fitness app (e.g., iGPSPORT app, Zwift, Polar Beat) and follow the in-app instructions to add a new heart rate sensor.

Image: The HR40's compatibility with various devices via ANT+ and Bluetooth.
4. 操作手順
4.1 リアルタイム心拍数トラッキング
Once paired with your device or fitness app, the HR40 will automatically begin transmitting your heart rate data. You can view your real-time heart rate, average heart rate, maximum heart rate, and other metrics directly on your connected display.

Image: Features of the HR40, including adjustable strap, IPX7 waterproofing, and battery life.
4.2 表示灯
The HR40 monitor unit features an indicator light to provide status information:
- 赤色のライトが点滅: Indicates the device is powered on but not detecting a heart rate. Ensure electrodes are moist and the strap is positioned correctly.
- 緑色のライトが点滅: Indicates a heart rate is being detected and transmitted. The green light flashes approximately 6 times upon detection and then turns off, while the monitor continues to work.
4.3 アプリの互換性
The HR40 is compatible with a wide range of fitness applications. For optimal performance and data management, consider using the official iGPSPORT app.

Image: The HR40's compatibility with various fitness applications.
5. メンテナンス
5.1 チェストストラップのクリーニング
After each use, detach the monitor unit from the chest strap. Rinse the textile strap under running water and hang it to dry. Do not machine wash or tumble dry the strap, as this can damage the electrodes. Avoid using strong detergents or bleach.
5.2 電池の交換
When the battery is low, the monitor's performance may degrade, or it may stop transmitting data. Replace the CR2032 battery by opening the battery cover on the back of the unit. Ensure the new battery is inserted with the positive (+) side facing up. Dispose of old batteries responsibly.
5.3 耐水性
The HR40 is IPX7 waterproof, meaning it can withstand immersion in water up to 1 meter for 30 minutes. It is suitable for use in rain and during sweaty workouts. However, it is not recommended for swimming or prolonged underwater use.

Image: The HR40's ultra-light and sweat-resistant design.
6。 トラブルシューティング
- 心拍数読み取りなし:
- Ensure the electrodes on the chest strap are sufficiently moistened.
- Check that the monitor unit is securely snapped onto the strap and positioned correctly on your chest.
- バッテリーが正しく取り付けられており、十分に充電されていることを確認してください。必要に応じて交換してください。
- 近くに強い電磁干渉がないことを確認してください。
- 接続の問題:
- For Bluetooth, confirm you are pairing through a compatible fitness app, not directly through your phone's Bluetooth settings.
- 受信デバイスで Bluetooth/ANT+ が有効になっていることを確認してください。
- 受信デバイスに近づいてください。
- Restart both the HR40 (by removing and reinserting the battery) and your receiving device.
- 不正確な読み取り:
- Ensure the chest strap is snug but not uncomfortably tight.
- 電極を再度湿らせます。
- Avoid wearing the monitor over loose clothing that might cause friction.
7. 仕様
| モデル番号 | HR40 (also referred to as HR50 in some documentation) |
| 寸法(長さ×幅×高さ) | 5.8 x 3.4 x 1.2 cm (Monitor Unit) |
| 重さ | 約47グラム |
| チェストストラップの長さ | 調節可能65-95cm |
| Wearable Chest Circumference | 65~120センチ |
| 耐水性 | IPX7 |
| 無線伝送 | Bluetooth 4.0 BLE, ANT+ / 2.4G |
| センサータイプ | 心電図 |
| 電池のタイプ | CR2032 Coin Cell (Lithium Metal) |
| バッテリー寿命 | Up to 1 year (based on 1 hour/day usage) |
| 材料 | プラスチック |
| 色 | 黒 |
8. 保証とサポート
The iGPSPORT HR40 Heart Rate Monitor typically comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package or visit the official iGPSPORT web詳細な保証条件については、サイトをご覧ください。
For technical support, troubleshooting assistance, or any product-related inquiries, please contact iGPSPORT customer service through their official webサイトまたは製品ドキュメントに記載されている連絡先情報を参照してください。






