1. Introduction
This manual provides detailed instructions for the safe and effective use of your TANITA BC-332L Smart Body Composition Scale. Please read this manual thoroughly before use and keep it for future reference. The BC-332L is designed to help you monitor various body composition metrics with high precision, supporting your daily health management.

Image 1: TANITA BC-332L Smart Body Composition Scale with its companion app interface.
2. Key Features
- High Precision Measurement: Minimum display unit of 50g for weights between 0-100 kg, and 100g for 100-150 kg. Maximum capacity is 150 kg.
- Comprehensive Body Composition Analysis: Measures Weight, BMI, Body Fat Percentage, Muscle Mass, Estimated Bone Mass, Visceral Fat Level, Basal Metabolic Rate, and Body Age.
- App Integration: Seamlessly connects with the HealthPlanet app via Bluetooth for data management and graphical trend analysis. Compatible with Apple Health.
- Automatic User Recognition: No button operation required before measurement; simply step on the scale.
- Family Monitoring ('Forgot Number Display'): Displays the user number of family members who haven't measured for a certain period, encouraging consistent monitoring.
- Backlight Display: Features a negative display with backlight for clear readability in various lighting conditions.
- MySapo Function: Supports daily measurement habits by displaying different facial expressions on the screen based on measurement frequency.
- Child Measurement: Body fat percentage and muscle mass can be determined for individuals aged 6 years and older.
- Quality Assurance: Made in Japan and JIS mark certified.
3. Setup
3.1 Battery Installation
- Open the battery compartment cover on the underside of the scale.
- Insert the included alkaline batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
3.2 Initial User Registration
For accurate measurements and data tracking, register your personal information on the scale. This is typically done during the first use.
- Press the 'Set' button (usually indicated by a person icon or 'SET') to begin registration.
- Use the arrow buttons to input your personal data such as age, gender, height, and activity level.
- Confirm your entries. The scale can store data for up to 5 users, plus a guest mode.

Image 2: Illustration of initial user registration for family members.
3.3 App Pairing (Bluetooth)
To manage your data on your smartphone, download the 'HealthPlanet' app and pair it with your scale.
- Ensure Bluetooth is enabled on your smartphone.
- Open the HealthPlanet app and follow the on-screen instructions to add a new device.
- The app will guide you through the pairing process. Once paired, your measurement data will automatically synchronize.
4. Operating Instructions
4.1 Taking a Measurement
- Place the scale on a hard, flat surface. Avoid soft surfaces like carpets, which can affect accuracy.
- Step onto the scale barefoot. Ensure your feet are positioned correctly on the electrodes.
- The scale will automatically turn on and begin measurement. Remain still until all measurements are displayed.
- Your personal data will be automatically recognized, and your body composition metrics will be displayed sequentially.
4.2 App Data Synchronization
After measurement, open the HealthPlanet app on your smartphone. The data will automatically transfer and be recorded in your profile. You can view your progress through graphs and detailed reports.

Image 3: Managing measurement data through the HealthPlanet smartphone application.
4.3 'Forgot Number Display' Function
This feature helps family members maintain consistent measurement habits. If a registered family member has not measured for a certain period, their user number will be displayed on the scale when another family member takes a measurement.

Image 4: The 'Forgot Number Display' function prompting a family member to measure.
5. Measurement Items Explained
The TANITA BC-332L provides detailed insights into your body composition:
- Weight: Your total body mass, measured with 50g precision.
- BMI (Body Mass Index): A ratio of your weight to height, indicating if you are underweight, normal weight, overweight, or obese.
- Body Fat Percentage: The proportion of fat in your body. The scale provides a judgment (e.g., low, healthy, high).
- Muscle Mass: The total weight of muscle in your body. The scale provides a judgment.
- Estimated Bone Mass: An estimation of your bone mineral content. The scale provides a judgment.
- Visceral Fat Level: The level of fat surrounding your internal organs. The scale provides a judgment.
- Basal Metabolic Rate (BMR): The minimum number of calories required to keep your body functioning at rest. The scale provides a judgment.
- Body Age: An estimation of your body's physiological age based on your body composition.
- Comparison with Previous Value: An arrow indicator shows whether your current measurement is higher or lower than your last recorded value.

Image 5: Overview of all body composition metrics measured by the BC-332L.
6. Maintenance
To ensure the longevity and accuracy of your TANITA BC-332L scale, follow these maintenance guidelines:
- Cleaning: Wipe the scale surface with a soft, damp cloth. Do not use abrasive cleaners or immerse the scale in water.
- Storage: Store the scale in a dry place at room temperature. Avoid storing it in locations exposed to direct sunlight, near heating appliances, or where air conditioner drafts directly hit it.
- Environment: Do not store or use the scale in areas with high humidity, water, strong vibrations, or drastic temperature changes.
- Battery Replacement: Replace batteries when the low battery indicator appears on the display.
7. Troubleshooting
If you encounter any issues with your BC-332L scale, refer to the following common problems and solutions:
- Scale does not turn on or display anything:
- Check if the batteries are inserted correctly and have sufficient charge. Replace them if necessary.
- Ensure the scale is placed on a flat, stable surface. - Inaccurate measurements:
- Ensure you are stepping on the scale barefoot and standing still.
- Make sure the scale is on a hard, flat surface, not carpet or uneven flooring.
- Re-enter your personal data in the user settings to ensure accuracy. - App not synchronizing data:
- Ensure Bluetooth is enabled on your smartphone and the scale.
- Close and reopen the HealthPlanet app.
- Try restarting both your smartphone and the scale.
- If the issue persists, try unpairing and re-pairing the device in the app settings. - Automatic user identification fails:
- Ensure your personal data (height, age, gender) is correctly registered.
- If multiple users have similar body compositions, the scale might occasionally misidentify. In such cases, manually select your user number if the scale allows, or re-measure.
If the problem persists after trying these steps, please contact TANITA customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Manufacturer | TANITA |
| Model Number | BC-332L |
| Maximum Weight Capacity | 150 kg |
| Minimum Display Unit (0-100 kg) | 50 g |
| Minimum Display Unit (100-150 kg) | 100 g |
| Dimensions (Approx.) | 310 mm (W) x 274 mm (D) x 36 mm (H) |
| Product Weight (Approx.) | 1.5 kg |
| Material | ABS, PE |
| Color | White |
| Display Type | LCD with Backlight |
| Battery Type | Alkaline (included) |
| Connectivity | Bluetooth |

Image 6: Dimensions of the BC-332L scale.
9. Warranty and Support
9.1 Manufacturer's Warranty
Your TANITA BC-332L Smart Body Composition Scale comes with a 1-year free repair warranty from the date of purchase. In the event of a malfunction within this period, please present your proof of purchase and contact TANITA customer service for repair.
Note: Customer personal information provided for repair services will be used solely for the purpose of delivering repaired products. TANITA ensures responsible management of personal information in accordance with company regulations to prevent unauthorized access by third parties.
9.2 Customer Support
For further assistance, technical support, or warranty claims, please refer to the contact information provided in your product packaging or visit the official TANITA website.





