1. Product Overview
The Good Cook Digital Precision Scale Model 12809 is designed for accurate measurement of ingredients up to 11 pounds (5 kilograms). It features a large digital readout for easy viewing and a thin profile for convenient storage. This scale provides measurements in ounces, pounds, and grams, making it versatile for various culinary needs.
Package Contents:
- Good Cook Digital Precision Scale Model 12809
- 3 AAA Batteries (pre-installed or included separately)
- User Manual (this document)

Figure 1: Front view of the Good Cook Digital Precision Scale, showing the display and control buttons.
2. Setup
2.1 Battery Installation
The scale operates on 3 AAA batteries. These are typically included with your purchase. If the display does not illuminate or shows a low battery indicator, replace the batteries.
- Locate the battery compartment on the underside of the scale.
- Open the battery compartment cover.
- Insert 3 new AAA batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Close the battery compartment cover securely.
2.2 Initial Placement
Place the scale on a flat, stable, and level surface to ensure accurate readings. Avoid placing it on soft or uneven surfaces, or near sources of vibration or extreme temperature changes.
3. Operating Instructions
3.1 Power On/Off
- To turn the scale ON, press the "on/off" button. The display will show "0" or "0.0" when ready.
- To turn the scale OFF, press and hold the "on/off" button for a few seconds. The scale will also automatically shut off after a period of inactivity to conserve battery life.

Figure 2: Top-down view of the scale, highlighting the "on/off" and "oz/g" buttons.
3.2 Unit Conversion (oz/g)
The scale can display measurements in ounces (oz), pounds (lb), or grams (g).
- With the scale on, press the "oz/g" button to cycle through the available units.
- The selected unit will be indicated on the display.
3.3 Tare Function
The tare function allows you to weigh multiple ingredients in the same container or to subtract the weight of a container from the total weight.
- Place an empty container (e.g., a bowl or plate) on the scale platform. The display will show its weight.
- Press the "on/off" button briefly. The display will reset to "0" or "0.0". This indicates the container's weight has been tared.
- Add your ingredient to the container. The display will now show only the weight of the ingredient.
- Repeat step 2 and 3 to add more ingredients.

Figure 3: The scale in use, demonstrating the weighing of ingredients in a bowl.
3.4 Weighing Ingredients
- Ensure the scale is on and displaying "0" or "0.0".
- If using a container, perform the tare function as described in section 3.3.
- Carefully place the item(s) to be weighed onto the center of the scale platform or into the tared container.
- Read the weight displayed on the LCD screen.
- Remove the item(s) from the scale. The display will return to "0" or show a negative value if a tared container was removed.
4. Maintenance
4.1 Cleaning
- Wipe the scale surface with a soft, damp cloth.
- Do not immerse the scale in water or use abrasive cleaners.
- Ensure the scale is completely dry before storage or next use.
4.2 Storage
Store the scale in a cool, dry place. Its thin profile allows for easy storage in drawers or cabinets. If the scale will not be used for an extended period, it is recommended to remove the batteries to prevent leakage.
5. Troubleshooting
- Display shows "Lo" or is dim: Replace the 3 AAA batteries.
- Inaccurate readings:
- Ensure the scale is on a flat, stable, and level surface.
- Verify that no objects are touching the scale or interfering with its movement.
- Remove and re-insert batteries to reset the scale.
- Avoid placing the scale near strong electromagnetic fields (e.g., microwaves, large motors).
- Scale does not turn on:
- Check battery installation and ensure correct polarity.
- Replace batteries with new ones.
- Display shows "Err": This typically indicates an overload. Remove items from the scale immediately to prevent damage. The maximum capacity is 11 pounds (5 kg).
6. Specifications
| Model Number | 12809 |
| Brand | GoodCook |
| Maximum Weight Capacity | 11 lbs (5 kg) |
| Readout Accuracy | +/- 1 gram (0.1 oz) |
| Units of Measurement | Ounces (oz), Pounds (lb), Grams (g) |
| Display Type | LCD |
| Power Source | 3 x AAA Batteries (included) |
| Product Dimensions | 10.3 x 2.9 x 7.2 inches |
| Item Weight | 1.43 pounds |
7. Warranty and Support
For information regarding warranty coverage or product support, please refer to the packaging or contact GoodCook customer service directly. Contact details are typically available on the official GoodCook website or product packaging.
You can visit the GoodCook Store on Amazon for more product information.