Introduction
Thank you for purchasing the MEGAWISE Digital Kitchen Scale K28H. This scale is designed for precise measurement of ingredients for baking, cooking, and meal preparation. It features a high-precision sensor, multiple unit conversions, a tare function, and an easy-to-read backlit display. Please read this manual thoroughly before use to ensure proper operation and maintenance.
Safety Information
- Place the scale on a hard, flat, and stable surface for accurate measurements.
- Avoid placing the scale near strong electromagnetic fields or vibrating equipment.
- Do not immerse the scale in water or other liquids. Wipe clean with a damp cloth.
- Do not overload the scale beyond its maximum capacity of 15kg (33lb) to prevent damage.
- Keep out of reach of children.
- If the scale will not be used for an extended period, remove the batteries to prevent leakage.
Product Features
- High Precision: Measures from 1g up to 15kg (0.1oz to 33lb) with 1g accuracy.
- Multiple Units: Easily switch between g, oz, lb:oz, ml (milk/water), and fl.oz.
- Backlit Display: Clear LCD screen with bright backlight for easy reading.
- Tare Function: Subtracts the weight of containers for net measurements.
- Power Options: Supports both traditional AAA batteries and USB-C charging.
- Auto-Shutdown: Saves power by automatically turning off when idle.
- Durable Design: Crystal tempered glass panel for easy cleaning and durability.

Image: Overview of the scale's key features, including high accuracy, low battery alarm, tare function, overload alarm, maximum capacity of 15kg, and 5 unit conversions.
Package Contents
- 1 x MEGAWISE Digital Kitchen Scale K28H
- 2 x AAA Batteries (included)
- 1 x USB Charging Cable
- 1 x User Manual (this document)
Setup
1. Power Supply
The scale can be powered by two AAA batteries or via USB-C charging.
- Battery Installation: Open the battery compartment on the underside of the scale. Insert 2 AAA batteries, ensuring correct polarity (+/-).
- USB Charging: Connect the provided USB-C cable to the scale's charging port and to a compatible USB power source (e.g., wall adapter, computer USB port). The scale can operate while charging.

Image: The underside of the scale illustrating the battery compartment and the USB charging port, demonstrating the two power supply options.
2. Placement
Place the scale on a hard, flat, and level surface to ensure accurate readings. Uneven surfaces can affect precision.
Operating Instructions
1. Power On/Off
- Press the "ON/OFF" button to turn the scale on. The display will show "0" when ready.
- Press and hold the "ON/OFF" button to turn the scale off. The scale will also automatically shut off after a period of inactivity to conserve power.
2. Unit Conversion
Press the "UNIT" button to cycle through the available measurement units: grams (g), ounces (oz), pounds:ounces (lb:oz), milliliters for water (ml), and fluid ounces for water (fl.oz).

Image: The scale's display illustrating the five available measurement units: grams, kilograms, pounds and ounces, fluid ounces, and milliliters.
3. Tare Function
The tare function allows you to subtract the weight of a container or previously added ingredients, enabling you to measure subsequent items accurately.
- Place an empty container on the scale.
- Press the "TARE" button. The display will reset to "0".
- Add ingredients to the container. The display will show only the net weight of the ingredients.
- Repeat the tare process as needed for multiple ingredients.

Image: A visual guide demonstrating the tare function, showing an empty cup being placed on the scale, the display zeroing out after pressing TARE, and then the net weight of coffee being measured.
4. Weighing Items
After powering on and selecting the desired unit (and taring if necessary), place the item(s) to be weighed directly onto the center of the scale platform. The weight will be displayed instantly.

Image: A bowl of fruit being weighed on the scale, demonstrating its high accuracy for various ingredients.
5. Overload Indication
If the display shows "EEEE" or a similar error message, the scale is overloaded. Remove items immediately to prevent damage.
6. Low Battery Indication
When the battery symbol appears on the display, it indicates that the batteries are low and need to be replaced or recharged via the USB-C port.
Maintenance
- Cleaning: The tempered glass surface is easy to clean. Wipe the scale with a soft, damp cloth. Do not use abrasive cleaners or immerse the scale in water.
- Storage: Store the scale in a cool, dry place. Avoid extreme temperatures and humidity.
- Calibration: The scale is factory calibrated and generally does not require user calibration. If you suspect inaccuracies, ensure it is on a level surface and check battery levels.

Image: A hand cleaning the tempered glass surface of the scale, highlighting its easy-to-clean and durable design.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Scale does not turn on. | Low or dead batteries; incorrect battery installation; no USB power. | Replace batteries or ensure they are installed correctly. Connect to a USB power source. |
| Inaccurate readings. | Uneven surface; scale overloaded; external vibrations; low battery. | Place on a flat, stable surface. Do not exceed 15kg. Avoid vibrations. Replace/recharge batteries. |
| "EEEE" or Overload message. | Weight exceeds maximum capacity (15kg). | Remove items immediately. Do not exceed maximum weight. |
| Display shows "Lo" or battery symbol. | Low battery power. | Replace the AAA batteries or connect the scale to a USB power source for charging. |
Specifications
| Feature | Detail |
|---|---|
| Brand | MEGAWISE |
| Model | K28H |
| Weight Limit | 15 kg (33 Pounds) |
| Readout Accuracy | 1 Grams (0.1 oz) |
| Measurement Units | g, oz, lb:oz, ml (water), fl.oz (water) |
| Display Type | LCD with Backlight |
| Material | Tempered Glass |
| Power Source | 2 AAA batteries (included) or USB-C charging |
| Product Dimensions | 9.5 x 0.7 x 6.3 inches |
| Item Weight | 1.39 pounds |
Official Product Videos
MEGAWISE Kitchen Scales Overview
Video: An overview of the MEGAWISE Kitchen Scale, demonstrating its use in various kitchen scenarios like baking and meal preparation, highlighting its features and ease of use.
MegaWise Rechargeable Digital Kitchen Food Scale Features
Video: This video showcases the key features of the MegaWise Rechargeable Digital Kitchen Food Scale, including its precision, multiple unit options, and rechargeable capability.
Warranty and Support
MEGAWISE provides customer support and warranty coverage for this product. For assistance, troubleshooting beyond this manual, or warranty claims, please refer to the contact information provided with your purchase or visit the official MEGAWISE website.
Note: Product specifications and features are subject to change without prior notice.