OV 138 3D - Scale ECG - Free user manual and instructions
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| Product Type | Digital Body Scale with 3D Body Analysis |
| Brand | ECG |
| Model | OV 138 3D |
| Dimensions | Approximately 30 x 30 x 2.5 cm |
| Weight | Approximately 1.5 kg |
| Power Source | 2 x CR2032 lithium coin batteries (included) |
| Display | Large LCD display with backlight |
| Weight Capacity | 0.2 kg to 180 kg |
| Accuracy | 0.1 kg / 0.1 lb |
| Measurement Units | kg, lb, st (selectable) |
| Body Composition Parameters | Body fat percentage, body water, muscle mass, bone mass, BMI |
| User Profiles | Up to 10 individual memory slots |
| Auto-On / Auto-Off | Yes, tap to turn on, auto-off after inactivity |
| Low Battery Indicator | Yes, displayed on screen |
| Platform Material | Tempered glass with non-slip pads |
| Overload Protection | Yes, displays 'Err' if overloaded |
| Cleaning Instructions | Wipe with a soft, damp cloth; do not use abrasive cleaners |
| Spare Parts & Repairability | Only batteries user-replaceable; no other parts available; not repairable by user |
| Safety Features | Non-slip feet, rounded edges, shatter-resistant glass |
| General Information | Use on a hard, flat surface for accurate readings. Not for commercial use. |
Frequently Asked Questions - OV 138 3D ECG
How do I set up the scale for the first time?
Remove the battery tab, place the scale on a hard, flat surface, and step on to activate. The scale will auto-calibrate.
How can I change the weight unit (kg/lb/st)?
Press the unit button on the back of the scale (or bottom) to cycle between kg, lb, and st.
How do I measure body fat?
Ensure you are barefoot and standing on the electrodes. Select your user profile or input your height, age, and gender for accurate results.
Why is the scale not showing any reading?
Check that the batteries are inserted correctly and have enough charge. Also ensure the scale is on a flat, hard surface and you step on it firmly.
How many users can I store in memory?
The scale can store up to 10 user profiles. Each user can save their personal data and track progress.
What type of batteries does the scale use?
The scale uses 2 x CR2032 lithium coin batteries. These are typically included with the device.
How should I clean the scale?
Wipe the surface with a soft, damp cloth. Do not use abrasive cleaners or immerse the scale in water.
Why do my weight measurements vary from day to day?
Weight can fluctuate due to hydration, meals, and time of day. For consistent results, weigh yourself at the same time each morning.
Can I use the scale on carpet?
For accurate measurements, place the scale on a hard, flat surface like tile or hardwood. Carpet may cause errors.
What does 'Err' mean on the display?
'Err' indicates an overload or a measurement error. Remove the excess weight and try again. If persists, check batteries.
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