1. Introduction
This manual provides essential information for the safe and effective use of your Omnihil AC/DC Power Adapter. This adapter is specifically designed to provide power to the Weighmax W-2809 Digital Postal Scale. Please read these instructions carefully before use and retain them for future reference.
2. Safety Information
To ensure safe operation and prevent damage, observe the following safety guidelines:
- UL LISTED: This adapter is UL listed, indicating it meets recognized safety standards.
- Protection Features: The adapter incorporates OVP (Over Voltage output Protection), OCP (Over Current output Protection), and SCP (Short Circuit output Protection) to safeguard your device.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Do not attempt to disassemble or modify the adapter.
- Ensure the power outlet matches the adapter's input voltage range (100V ~ 240V).
- Keep out of reach of children.
3. Setup
Follow these steps to set up your Omnihil AC/DC Power Adapter:
- Inspect the Adapter: Before use, visually inspect the adapter and its cable for any signs of damage. Do not use if damaged.
- Connect to Device: Locate the power input port on your Weighmax W-2809 Digital Postal Scale. Insert the barrel connector of the Omnihil power adapter firmly into this port.
- Connect to Power Outlet: Plug the AC prongs of the adapter into a standard wall power outlet (100V ~ 240V).

Image: The Omnihil AC/DC Power Adapter showing the barrel connector, ready for connection to a device.
4. Operating Instructions
Once the adapter is connected as described in the Setup section:
- Ensure the Weighmax W-2809 Digital Postal Scale is switched off before connecting the adapter.
- After connecting the adapter to both the scale and the power outlet, you may now power on your Weighmax W-2809 Digital Postal Scale.
- The adapter will provide continuous power to the scale.
- To disconnect, first power off the scale, then unplug the adapter from the wall outlet, and finally disconnect the barrel connector from the scale.

Image: Main view of the Omnihil AC/DC Power Adapter, showing the power brick and coiled cable.
5. Maintenance
Proper care will extend the life of your power adapter:
- Cleaning: Disconnect the adapter from all power sources before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or aerosols.
- Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and moisture. Avoid tightly coiling the cable to prevent damage.
- Cable Care: Do not bend, twist, or pull the cable excessively. Avoid placing heavy objects on the cable.
6. Troubleshooting
If you encounter issues with your power adapter, consider the following:
- No Power to Device:
- Ensure the adapter is securely plugged into both the wall outlet and the Weighmax W-2809 Digital Postal Scale.
- Verify the wall outlet is functional by testing it with another device.
- Check for any visible damage to the adapter or cable. If damaged, discontinue use.
- Device Not Charging/Powering On: Confirm that the Weighmax W-2809 Digital Postal Scale is compatible with this specific adapter.
- If the issue persists after checking these points, contact customer support.
7. Specifications
| Feature | Specification |
|---|---|
| Adapter Rating | World Wide 100V ~ 240V 50/60Hz |
| Cord Length | 8 Feet (approximately 2.4 meters) |
| Safety Certification | UL LISTED |
| Protection Features | OVP, OCP, SCP |
| Product Dimensions | 3 x 3 x 2 inches (approximate adapter block size) |
| Item Weight | 4 ounces |
| Compatible Devices | Weighmax W-2809 Digital Postal Scale |
8. Warranty and Support
Your Omnihil AC/DC Power Adapter comes with a 5-Year Free Warranty. This warranty covers manufacturing defects under normal use. For warranty claims or technical support, please contact Omnihil customer service through the retailer where the product was purchased or visit the official Omnihil store online.

Image: A circular badge indicating a '5 Year Warranty'.
For more information about OMNIHIL products, please visit the OMNIHIL Store.





