NUTRI FIT ER7230
NUTRI FIT Smart Baby & Pet Scale (Model ER7230) Instruction Manual
Model: ER7230
Introduction
Thank you for choosing the NUTRI FIT Smart Baby & Pet Scale. This digital scale is designed to accurately measure the weight of newborns, infants, toddlers, and small pets. It includes features such as a hold function for active subjects, a tare function for blankets, and a built-in measuring tape for height tracking. Please read this manual thoroughly before use to ensure proper operation and care.
Safety Information
- Always place the scale on a hard, flat, and stable surface to ensure accurate readings.
- Do not place the scale on soft surfaces like carpets or rugs.
- Never leave a baby or pet unattended on the scale.
- Keep the scale away from water and extreme temperatures.
- Clean the scale with a soft, damp cloth. Do not use abrasive cleaners or immerse in water.
- Ensure batteries are inserted correctly according to polarity markings. Remove batteries if the scale will not be used for an extended period.
- This scale is for household use only and not intended for medical diagnosis.
Package Contents
Please check the package for the following items:
- NUTRI FIT Smart Baby & Pet Scale (Model ER7230)
- 5ft/1.5m Measuring Tape (built-in)
- 4 x AAA Batteries
- Instruction Manual (this document)
Product Features
- High Accuracy: Equipped with high-precision sensors for stable and accurate readings. Measures from 0.1lb to 55lb (50g to 25kg).
- Hold Function: Captures and displays the weight even if the subject moves, ensuring a stable reading.
- Zero/Tare Function: Allows you to subtract the weight of a blanket or towel for accurate net weight measurement.
- Multiple Units: Easily switch between kg, oz, lb, and lb:oz.
- Built-in Measuring Tape: A retractable 5ft/1.5m measuring tape for convenient height and head circumference measurements.
- Weight Difference Comparison: Automatically saves the last weighing record and displays the difference from the current weight.
- Ergonomic Design: Curved concave panel made of environmentally friendly ABS plastic for comfort and safety.
- Large Backlit LCD: Clear and easy-to-read display.
- Durable Construction: Fully enclosed bottom shell with waterproof design and non-slip rubber pads.
Setup
- Unpack the Scale: Carefully remove the scale and all components from the packaging.
- Install Batteries: Open the battery compartment on the underside of the scale. Insert the 4 AAA batteries, ensuring correct polarity (+/-). Close the battery compartment securely.
- Placement: Place the scale on a firm, flat, and level surface. Avoid soft surfaces like carpets, which can affect accuracy.

Image: The NUTRI FIT Smart Baby & Pet Scale, Model ER7230, shown on a flat surface.
Operation
1. Power On and Zero Function (Tare)
- Press the ZERO button to turn on the scale. The display will show "0.00".
- If using a blanket or towel for comfort, place it on the scale before pressing the ZERO button. The scale will display the blanket's weight.
- Press the ZERO button again to tare (zero out) the weight of the blanket. The display will return to "0.00".

Image: Close-up of the scale's display and the ZERO button, used for powering on and taring.

Image: A baby lying comfortably on a blanket on the scale, illustrating the Zero & Tare function to get an accurate weight without the blanket.
2. Weighing a Baby or Pet
- After taring (if applicable), gently place the baby or pet onto the center of the scale.
- Wait for the display to stabilize. The weight will be shown on the large LCD screen.

Image: A baby lying on the NUTRI FIT scale, demonstrating how to weigh a baby.

Image: A dog and cat next to the scale, illustrating its use for weighing pets.
3. Using the Hold Function
If the baby or pet is active and moving, the Hold function can capture a stable weight reading.
- While the subject is on the scale, press the HOLD/UNIT button.
- The display will lock onto a stable weight, even if the subject continues to move. This locked weight will remain on the display until the button is pressed again or the scale is turned off.

Image: Close-up of the scale's display and the HOLD/UNIT button, used for locking the weight reading.
4. Changing Weight Units
The scale supports kg, oz, lb, and lb:oz units.
- With the scale on, press and hold the HOLD/UNIT button for approximately 3 seconds.
- The unit will cycle through kg, oz, lb, and lb:oz. Release the button when your desired unit is displayed.
5. Weight Difference Comparison
The scale automatically saves the previous weight reading and can display the difference from the current reading.
- After a weight measurement is taken, the scale will automatically compare it to the last recorded weight.
- The display will show the current weight, then briefly show the difference (e.g., "+0.08 lb" or "-0.05 kg") from the previous measurement.

Image: The scale's display showing a comparison between the last recorded weight and the current weight, highlighting the difference.
6. Measuring Height with Built-in Tape
The scale includes a retractable 5ft/1.5m measuring tape for convenience.
- Gently pull out the measuring tape from the side of the scale.
- Measure the baby's height or head circumference as needed.
- To retract the tape, press the yellow button located on the back of the scale. The tape will automatically rewind.

Image: A person using the built-in measuring tape to measure a baby's head circumference while the baby is on the scale.

Image: An overview of the scale, emphasizing the built-in measuring tape and its one-touch retract button.
Maintenance and Care
- Cleaning: Wipe the scale surface with a soft, slightly damp cloth. Do not use chemical cleaning agents, abrasive materials, or immerse the scale in water.
- Storage: Store the scale in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Replacement: If the display shows a low battery indicator or becomes dim, replace all 4 AAA batteries with new ones.
- Avoid Impact: Do not drop the scale or subject it to heavy impact, as this can damage the sensors.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Scale does not turn on. | Batteries are dead or incorrectly installed. | Check battery polarity. Replace with new AAA batteries. |
| Inaccurate readings. | Scale is on an uneven or soft surface; subject is moving excessively; scale is overloaded. | Place scale on a hard, flat surface. Use the Hold function for active subjects. Ensure weight is within 55lb (25kg) limit. |
| "Lo" or "Err" displayed. | Low battery or error. | Replace batteries. If "Err" persists, try turning the scale off and on again. If the issue continues, contact customer support. |
| Weight fluctuates. | Subject is moving; scale is unstable. | Ensure the subject is as still as possible. Use the Hold function. Place the scale on a stable surface. |
Specifications
| Model: | ER7230 |
| Weight Capacity: | 0.1lb - 55lb (50g - 25kg) |
| Measurement Units: | kg, oz, lb, lb:oz |
| Measuring Tape Length: | 5ft / 1.5m |
| Power Source: | 4 x AAA Batteries (included) |
| Material: | ABS Plastic |
| Special Features: | Backlight LCD Screen, Hold Function, Zero Function, Unit Change, Built-in Measuring Tape, Weight Difference Comparison |
Official Product Video
Video: An official product video demonstrating the features and usage of the NUTRI FIT Baby Weight Scale with Measuring Tape (Model ER7230).
Warranty and Support
NUTRI FIT products are designed for quality and reliability. For warranty information, technical support, or any questions regarding your scale, please contact NUTRI FIT customer service through the retailer where you purchased the product or visit the official NUTRI FIT website.
Website: NUTRI FIT Store on Amazon
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