Ⅰ. Product Parameters
Product Name |
Model NO. |
Capacity |
Input |
Temp. for work |
Appliance Classes |
Body Weight Scale |
TZCH001 |
5kg -180kg |
DC 3V; 0.3A |
10-35℃ |
Class Ⅲ |
Ⅱ. Operation Instructions(Standard & Bluetooth Versions)
This product is available in a standard version (TZCH002WH00) and a Bluetooth version (TZCH002WH01). If you are unsure of the version you purchased, please contact our customer service promptly.
This product is step-on power and auto-off after 10 seconds.
- To make sure of accuracy, place the scale on a hard, flat floor and avoid carpets or soft surfaces.
- Gently step on the scale. The scale will automatically turn on.
- Stand evenly, without moving, and wait until your weight is locked in place.
- Overload Indication
Scale overload, (Maximum weight capacity is indicated on the scale.) Please step off to avoid damage.
- Low battery indication
Battery power is low. Please charge the device using the supplied charging cable. Do not use a fast charger.
- Error Indication
If the scale displays T when you step off the scale, there is an error. Please re-test
- Bluetooth Version APP Operation Instructions
(1) Preparation:
- Download the Tuya Smart Life app from the App Store or Google Play, or scan the QR code.
- Log in with an existing account or create a new one.
- Follow the on-screen instructions to complete the installation.
- Ensure the scale is fully charged.
- Place the scale on a hard, flat surface.
- Turn on Bluetooth on your smartphone to enter pairing mode.
- Step on the scale to activate it.
- Click "Add Device" or the plus icon (+) in the top right corner of the Home page. Note: The smart scale can be found automatically or added manually.
- Add the smart scale and select weight and height units.
- Enter your personal data such as gender, age, and height, then press OK. Note: Entering incorrect gender, age, or height can result in inaccurate measurements.
Note: Step 7 should ideally be performed before attempting to connect the smart scale via Bluetooth, ensuring that the scale is activated.
(2) Operation Method:
- Place the scale on a hard, flat surface.
- Step barefoot on the scale for thorough measurements and full analysis. Ensure your feet touch all four metal sensors.
- After the weight is locked, you can read all body composition data by opening the "Body Mass Index" drop-down menu in the Tuya App.
- Note: Stepping on the scale with socks only measures and displays weight and BMI on the main page.
- Usage Tip: Drink cold water upon waking up (ensure the amount and temperature are the same each day), then wait 30 minutes. Urinate and start the analysis by standing barefoot on the scale.

(3) Tuya App:
- Share your measurement data in a 'Health Report' by clicking on the icon in the top right corner of the Home page.
- When you click 'Record', you will see your long-term tracking results.
- To delete results, click on the icon in the top right corner of the Record page. Swipe left to delete data.
- Add up to 10 users by clicking 'Me' → 'User Management' → plus icon (+), and filling in personal data.
Ⅲ. Precautions
- The glass platform will be slippery when it is wet. Keep it dry.
- When weighing yourself, remain motionless.
- DO NOT strike, shock or drop the scale.
- Treat the scale with care, as it is a precise instrument.
- Clean the scale with a damp cloth and avoid water getting inside the
- DO NOT use chemicals/abrasive cleaning agents.
- Keep the scale in a cool, dry location.
- Always keep your scale in a horizontal position.
- If the scale fails to turn on, check that the battery is properly in place and that it still has power. In the event of a faulty battery, replace with a new battery.
- If an error message persists, or the scale refuses to turn off;please remove the battery and re-insert after 3 or 4 seconds.
- Do not use the scale for commercial purposes.