Introduction
This manual provides comprehensive instructions for the safe and efficient operation of your UNIWEIGH 440lb Digital Postal Scale. Designed for high-capacity and precise weighing, this scale is suitable for various applications including shipping, mailing, luggage, and warehouse use. Please read this manual thoroughly before use and retain it for future reference.
Package Contents
- UNIWEIGH Digital Postal Scale (Platform and Display Unit)
- 2 x AAA Batteries
- USB-A Cable
- User Manual (this document)
Setup
1. Power Supply
The scale can be powered by either 2 AAA batteries or the included USB-A cable.
- Battery Installation: Open the battery compartment on the back of the display unit. Insert 2 AAA batteries, ensuring correct polarity (+/-). Close the compartment.
- USB Power: Connect the provided USB-A cable to the display unit and a compatible USB power source (e.g., computer, wall adapter).
Figure 1: Back of the display unit with battery compartment.
Figure 2: Two power supply options: AAA batteries and USB-A cable.
2. Placement
Place the scale platform on a flat, stable surface. The display unit is connected via a coiled cable, allowing flexible placement. It features a foldable stand for tabletop use and a magnetic back for attachment to metal surfaces.
Figure 3: Scale dimensions and detached display unit for flexible placement.
Operating Instructions
1. Power On/Off and Tare Function
- Press the ON/OFF/TARE button to turn the scale on.
- To turn the scale off, press and hold the ON/OFF/TARE button for a few seconds.
- To use the Tare function (zero out the weight of a container), place the empty container on the platform, then press the ON/OFF/TARE button. The display will reset to zero, allowing you to weigh only the contents.
Figure 4: Using the Tare function to weigh contents accurately.
2. Unit Conversion
Press the UNIT button to cycle through the available weighing units: Kilograms (kg), Pounds (lb), Pounds:Ounces (lb:oz), and Ounces (oz).
Figure 5: Switching between weighing units.
3. Hold Function
The Hold function allows you to lock the weight reading on the display even after the item is removed from the platform. This is useful for large or awkward items that might obscure the display.
- Place the item on the scale platform.
- Press the HOLD button. The weight will be locked on the display.
- Remove the item. The weight will remain displayed.
- Press the HOLD button again to clear the held reading.
Figure 6: Locking a weight reading using the Hold function.
4. Piece Counting Function (PCS)
This function allows you to count multiple small items of uniform weight.
- With the scale on, place a sample quantity of items (e.g., 25, 50, 75, or 100 pieces) on the platform.
- Press and hold the PCS button until the display shows "PCS" and a number (e.g., "25").
- Press the UNIT button to select the sample quantity that matches the number of items you placed on the scale.
- Press the PCS button again to confirm. The display will now show "PCS" and the count of your sample.
- You can now add more items, and the scale will display the total count.
Figure 7: Using the Piece Counting function.
5. Auto-Off Function
The scale features an adjustable auto-off function to conserve power. By default, it turns off after 3 minutes of inactivity.
- To adjust the auto-off time, turn the scale off.
- Press and hold the ON/OFF/TARE and UNIT buttons simultaneously until the display shows a number (e.g., "180" for 180 seconds).
- Press the UNIT button to cycle through the auto-off options (0s, 180s, 300s). "0s" disables the auto-off function.
- Press the ON/OFF/TARE button to confirm your selection.
Maintenance
1. Cleaning
The stainless steel platform is durable and easy to clean. Wipe the scale with a soft, damp cloth. Avoid using abrasive cleaners or submerging the unit in water.
Figure 8: Durable platform construction for easy cleaning.
2. Storage
Store the scale in a dry, cool place. If not in use for an extended period, remove the batteries to prevent leakage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display shows "Lo" | Low battery power. | Replace the AAA batteries or connect the USB-A cable for power. |
| Display shows "EEEE" | Overload. The weight on the platform exceeds the maximum capacity. | Remove the item immediately to prevent damage to the scale. Ensure items do not exceed 440lb (200kg). |
| Inaccurate readings | Unstable surface, scale not zeroed, or item not centered. | Place the scale on a firm, level surface. Ensure the display reads "0.00" before weighing. Center the item on the platform. |
| Scale does not turn on | No power, incorrect battery installation, or faulty power source. | Check battery installation and ensure they are fresh. Verify USB-A cable connection and power source. |
Figure 9: Helpful indicators for low battery and overload.
Specifications
| Feature | Detail |
|---|---|
| Brand | UNIWEIGH |
| Model | UNI-BS012-Q12 |
| Maximum Weight Capacity | 440 lbs (200 kg) |
| Minimum Weighing Capacity | 0.09 lbs (40 g) |
| Readout Accuracy | 0.02 lbs (10 g) |
| Weighing Units | kg, lb, lb:oz, oz |
| Display Type | LCD with Backlit Display |
| Special Features | Auto Shut Off, Tare Function, Hold Function, Counting Function |
| Power Source | 2 x AAA Batteries (included), USB-A Cable (included) |
| Platform Material | Stainless Steel, Tempered Glass, ABS Base |
| Item Weight | 1.47 Kilograms |
Official Product Video
Video 1: Overview of the UNIWEIGH 440lb Postal Shipping Scale, demonstrating its features and applications.
Warranty and Support
The UNIWEIGH Digital Postal Scale comes with a 2-Year Limited Warranty. For technical support, warranty claims, or any inquiries regarding your product, please contact UNIWEIGH customer service through the retailer where the product was purchased or visit the official UNIWEIGH website for contact information.