Walfront Walfronto859smuag06022
Walfront 17-Piece Scale Calibration Weight Set User Manual
Model: Walfronto859smuag06022
Introduction
This user manual provides comprehensive instructions for the Walfront 17-piece steel calibration weight set. This set is designed for the precise calibration of digital scales, ensuring accurate measurements for various applications including laboratory, commercial, and educational uses. Please read this manual thoroughly before using the product to ensure proper operation and longevity.

Image: The Walfront 17-piece calibration weight set, neatly organized in its protective blue case, showcasing the range of weights and the included tweezers.
Safety Information
To ensure safe and effective use of your calibration weight set, please observe the following precautions:
- Handle weights with care to avoid dropping or damaging them, which can affect their accuracy.
- Always use the provided tweezers or gloves when handling the weights to prevent transfer of oils, dirt, or moisture from hands, which can alter their mass.
- Store the weights in their protective case when not in use to prevent dust accumulation and physical damage.
- Keep the set away from strong magnetic fields, extreme temperatures, and corrosive substances.
- This product is for calibration purposes only and should not be used for any other applications.
Package Contents
The Walfront 17-piece calibration weight set includes the following components:
- 1 x 100g Weight
- 1 x 50g Weight
- 2 x 20g Weights
- 1 x 10g Weight
- 1 x 5g Weight
- 2 x 2g Weights
- 1 x 1g Weight
- 1 x 500mg Weight
- 2 x 200mg Weights
- 1 x 100mg Weight
- 1 x 50mg Weight
- 2 x 20mg Weights
- 1 x 10mg Weight
- 1 x Storage Case
- 1 x Tweezers

Image: A comprehensive view of the set's contents, including all weights and the handling tweezers, within the storage case.
Setup
The Walfront calibration weight set requires minimal setup. Follow these steps to prepare for use:
- Unpack the Set: Carefully open the product packaging and remove the blue storage case.
- Inspect Contents: Open the storage case and verify that all 17 weights and the tweezers are present and appear undamaged. Refer to the "Package Contents" section for a complete list.
- Prepare Workspace: Ensure your calibration area is clean, stable, and free from drafts, vibrations, or any factors that could affect scale accuracy.
- Handle with Care: Always use the provided tweezers to pick up and place weights. Avoid touching the weights directly with your fingers to prevent contamination and mass alteration.
Operating Instructions
These weights are primarily used for calibrating digital scales. The calibration process may vary slightly depending on your specific scale model. Always refer to your scale's instruction manual for its specific calibration procedure. The general steps are as follows:
- Prepare the Scale: Place your digital scale on a flat, stable surface. Turn it on and allow it to warm up for a few minutes if recommended by the scale manufacturer.
- Initiate Calibration Mode: Consult your scale's manual to enter its calibration mode. This often involves pressing a specific button (e.g., "CAL", "MODE") for a few seconds. The display may show "CAL" or a flashing weight value.
- Zero the Scale (if prompted): Some scales will prompt you to place no weight on the pan and press a button to set the zero point. Ensure the scale reads "0.00" before proceeding.
- Place Calibration Weight: The scale will typically prompt you to place a specific calibration weight (e.g., 100g). Using the tweezers, carefully place the required weight onto the center of the scale's weighing pan.
- Confirm Calibration: Once the weight is stable on the pan, the scale will usually confirm the calibration (e.g., display "PASS", "END", or return to normal weighing mode). Remove the weight using the tweezers.
- Verify Accuracy: After calibration, test the scale's accuracy by weighing several different weights from the set. The displayed value should match the known weight of the calibration piece.

Image: Demonstrates the proper technique of using tweezers to handle the calibration weights, preventing contamination.

Image: A detailed view of a 5-gram weight, highlighting the precision and finish of the calibration pieces.

Image: The full range of cylindrical weights included in the set, from largest to smallest, used for various calibration points.

Image: The smaller, milligram-level weights, essential for fine-tuning the accuracy of sensitive scales.
Maintenance
Proper maintenance ensures the longevity and accuracy of your calibration weights:
- Cleaning: If necessary, gently wipe the weights with a soft, lint-free cloth. Do not use abrasive cleaners, solvents, or water, as these can damage the weights or alter their mass.
- Storage: Always store the weights in their original protective case when not in use. This protects them from dust, moisture, and physical damage.
- Handling: Continue to use the provided tweezers for all handling to prevent contamination from skin oils and dirt.
- Environment: Store the set in a dry, temperature-stable environment, away from direct sunlight or extreme temperature fluctuations.
Troubleshooting
If you encounter issues with your calibration weights or scale accuracy, consider the following:
- Inaccurate Readings After Calibration:
- Ensure the scale is on a perfectly level and stable surface.
- Check for drafts or air currents that might affect the scale's reading.
- Verify that the weights are clean and free from any foreign material.
- Re-perform the calibration process carefully, following your scale's specific instructions.
- Ensure the scale has warmed up sufficiently before calibration.
- Weights Appear Damaged:
- If a weight is visibly dented, scratched, or corroded, its accuracy may be compromised. Such weights should not be used for precise calibration.
- Contact customer support if you believe a weight was damaged upon arrival.
- Missing Weights:
- Double-check the storage case and surrounding area.
- Refer to the "Package Contents" section to confirm all items were received. If not, contact customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | Walfront |
| Model Number | Walfronto859smuag06022 |
| Material | Steel Chrome |
| Weight Range | 10mg to 100g |
| Total Pieces | 17 (15 weights + 1 case + 1 tweezers) |
| Permissible Error | +/- 0.003g |
| Product Dimensions | 10.5 x 7 x 4.5 cm (Case) |
| Item Weight | 280 g (Total set) |
| Country of Origin | China |

Image: Visual representation of the storage case dimensions for reference.
Warranty and Support
Walfront products are manufactured to high quality standards. While specific warranty details are not provided in this manual, standard return policies typically apply. For any product-related inquiries, technical support, or to report issues, please contact your retailer or the Walfront customer service department through the official channels where you purchased the product.
Please retain your purchase receipt as proof of purchase for any warranty or support claims.
For more information, you may visit the Walfront Store on Amazon.
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