1. Introduction
Thank you for choosing the EuroTech High Powered LED 6400k Light Ring. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.
This LED light ring is designed to provide bright, consistent 6400k daylight-balanced illumination, ideal for various applications requiring focused and shadow-free lighting, such as microscopy, photography, and inspection tasks.

Image: The EuroTech High Powered LED 6400k Light Ring. The image displays the black ring light unit with a central opening, designed to attach to a lens or objective. On the top right, a control panel with four blue illuminated buttons is visible: two arrow buttons for adjustment, a 'MODE' button, and an 'ON/OFF' button. A power cable extends from the top of the control unit. Three silver thumbscrews are visible around the inner circumference of the ring, used for securing the light.
2. Safety Information
- Do not look directly into the LED lights when operating, as this may cause eye strain or damage.
- Ensure the power supply voltage matches the requirements specified for the device.
- Keep the device away from water, moisture, and high humidity environments.
- Do not attempt to disassemble or modify the unit. Refer all servicing to qualified personnel.
- Use only the power adapter supplied with the unit.
- Keep out of reach of children.
3. Package Contents
Please check the package contents upon receipt. If any items are missing or damaged, contact your retailer immediately.
- EuroTech High Powered LED 6400k Light Ring (GRS 024-022)
- Power Adapter
- User Manual (this document)
4. Setup
- Unpack the Unit: Carefully remove the LED light ring and all accessories from the packaging.
- Mounting the Light Ring:
- Position the light ring around the objective lens or camera lens you intend to illuminate.
- Gently tighten the three thumbscrews located around the inner circumference of the ring until the unit is securely fastened. Do not overtighten.
- Connect Power: Insert the DC plug of the power adapter into the power input jack on the control unit of the LED light ring. Plug the power adapter into a suitable electrical outlet.
5. Operating Instructions
- Power On/Off: Press the 'ON/OFF' button on the control panel to turn the light ring on or off. The blue indicator lights on the buttons will illuminate when the unit is powered on.
- Adjust Brightness: Use the 'Up' (▲) and 'Down' (▼) arrow buttons to increase or decrease the brightness of the LED lights. The light ring offers variable intensity control.
- Change Mode (if applicable): Press the 'MODE' button to cycle through different lighting modes, if available. Refer to specific product features for details on available modes.
- Color Temperature: This unit provides a fixed 6400k color temperature, which is a cool, daylight-balanced white light, ideal for accurate color rendition in various applications.
6. Maintenance
- Cleaning: Disconnect the power before cleaning. Use a soft, dry cloth to wipe the exterior of the unit. Do not use abrasive cleaners or solvents.
- Storage: When not in use for extended periods, store the light ring in a clean, dry, and dust-free environment.
- LED Longevity: The LEDs in this unit are designed for long life. Avoid prolonged operation at maximum brightness if not required, as this can slightly extend their lifespan.
7. Troubleshooting
- Light does not turn on:
- Check if the power adapter is securely plugged into both the light ring and the electrical outlet.
- Ensure the electrical outlet is functional.
- Press the 'ON/OFF' button firmly.
- Light flickers or is dim:
- Verify the power connection.
- Adjust brightness using the arrow buttons.
- If problems persist after attempting these solutions, please contact customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | GRS 024-022 (Stock # 51.841) |
| Light Type | High Powered LED |
| Color Temperature | 6400k (Daylight Balanced) |
| Power Source | External Power Adapter (included) |
| ASIN | B00W4EITDU |
| Date First Available | July 2, 2021 |
9. Warranty and Support
EuroTech products are manufactured to high-quality standards. For warranty information, please refer to the warranty card included with your purchase or visit the official EuroTech website. Keep your proof of purchase for warranty claims.
For technical support, troubleshooting assistance, or to inquire about replacement parts, please contact EuroTech customer service through the contact information provided on the official website or your retailer's support channels.





