1. Introduction
Thank you for choosing the HITBOX Auto-Darkening Welding Helmet. This manual provides essential information for the safe and effective installation, operation, and maintenance of your welding helmet. Please read this manual carefully before use and keep it for future reference.

Front view of the HITBOX HB-001 auto-darkening welding helmet.
2. Important Safety Warnings
WARNING: Welding arcs can cause eye injury and burns. Always wear appropriate personal protective equipment (PPE).
- Always pay attention to self-safety and read this manual carefully while installing and operating this product.
- This helmet is designed to protect your eyes and face from sparks, spatter, and harmful radiation under normal welding conditions.
- Do not use this helmet for laser welding or overhead welding applications.
- Regularly inspect the helmet for any damage. Replace damaged parts immediately.
- Do not modify the helmet or the auto-darkening filter.
- Ensure the protective films are removed from the lens before first use.
Video demonstrating the unboxing of the HITBOX welding helmet and a brief look at its internal controls and user manual, including a safety reminder.
3. Product Features
The HITBOX Auto-Darkening Welding Helmet is engineered for superior protection and comfort, featuring:
- True Color Lens: Provides a clear and natural view of the workpiece, improving visibility and reducing eye strain.
- Fast Darkening: Switches from light to dark in 1/30000 seconds for immediate protection.
- Anti-Strong Arc Light: Effectively blocks intense arc light.
- High Optical Class: Rated 1/1/1/1 for optical clarity, diffusion of light, variations in luminous transmittance, and angle dependence.
- Durable Construction: Made from PP (Polypropylene) material, ensuring it is lightweight, shock-resistant, corrosion-resistant, and flame-resistant.
- Solar Powered: Equipped with solar cells for extended battery life and convenience.
- UV/IR Filter: Constant protection against harmful ultraviolet and infrared radiation, even in the light state.
- Adjustable Controls: Stepless control for sensitivity and delay, and adjustable shade settings.

Side view of the HITBOX welding helmet highlighting its durable and protective features.

Visual comparison of the HITBOX True Color Lens technology.
4. Specifications
| Feature | Specification |
|---|---|
| Brand Name | HITBOX |
| Model Number | Welding Helmet (LY500 Filter Series) |
| Helmet Material | PP (Polypropylene) |
| Auto-Darkening | Yes |
| Solar Powered | Yes |
| View Area | 100mm x 80mm (3.94in x 3.15in) |
| Filter Cartridge Dimensions (approx.) | Width: 9.25cm (3.64in), Height: 3.6cm (1.77in) |
| Switch Time | 1/30000s |
| Optical Class | 1/1/1/1 |
| Shade Range (Weld Mode) | DIN 9-13 |
| Delay Control | 0.1-1.0s (Stepless) |
| Sensitivity Control | Stepless Control |
| Arc Sensors | 2 |
| UV/IR Protection | Always On |
| Certification | CE, ANSI Z87.1 |
| Origin | Mainland China |
| Hign-concerned Chemical | None |
| Is Smart Device | No |

Diagram of the auto-darkening filter cartridge and its controls.
5. Setup
- Unpack: Carefully remove the welding helmet and all accessories from the packaging.
- Remove Protective Films: Locate and remove any clear protective films from both sides of the auto-darkening filter lens. Failure to do so may impair performance.
- Assemble Headgear: Attach the headgear to the helmet if it is not already assembled. Adjust the headgear straps to ensure a comfortable and secure fit on your head. The helmet should sit firmly without being too tight.
- Adjust Viewing Angle: Adjust the tilt and depth of the helmet to ensure the viewing area is correctly positioned in front of your eyes when the helmet is lowered.
- Initial Function Test: Before welding, perform a simple test. Point the helmet towards a bright light source (but not the sun) and quickly flick it on and off. The lens should darken instantly. If it does not, check the battery (if applicable) and ensure all films are removed.
6. Operating Instructions
The HITBOX welding helmet features adjustable controls for optimal performance across various welding applications.
6.1. Control Adjustments

Internal controls for shade, delay, and sensitivity.
- Shade Control (DIN 9-13): Use the shade knob to select the appropriate darkness level for your welding process. Refer to the recommended settings below.
- Sensitivity Control (Stepless): Adjusts how sensitive the sensor is to the welding arc. Turn towards 'HI' for low amperage welding or when the arc is less intense, and towards 'LO' for high amperage welding or bright environments.
- Delay Control (0.1-1.0s): Adjusts the time it takes for the lens to return from dark to light state after the arc stops. A shorter delay (0.1s) is suitable for tack welding, while a longer delay (1.0s) is better for heavy welding to prevent eye fatigue from residual glow.
6.2. Recommended Settings for Welding Processes
The following table provides general recommendations. Always adjust settings based on your specific welding conditions and personal comfort.

Recommended shade and delay settings for different welding applications.
| Welding Process | Recommended Shade (DIN) | Recommended Delay |
|---|---|---|
| MIG | 10-13 | 0.1-0.25s (Light) / 0.85-1.0s (Heavy) |
| STICK | 9-13 | 0.1-0.25s |
| TIG | 9-13 | 0.1-0.25s |
| CUT | 5-9 | None |
7. Maintenance
- Cleaning: Clean the helmet and lens regularly with a soft, damp cloth. Do not use harsh solvents or abrasive cleaners, as they can damage the lens and helmet material.
- Lens Protection: Replace the outer and inner protective lenses if they become scratched, pitted, or too dirty to clean.
- Storage: Store the helmet in a dry, clean place away from direct sunlight and extreme temperatures.
- Battery Check: The helmet is solar-powered, but some models may have a backup battery. If your helmet uses a battery, check its condition periodically and replace it as needed.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lens does not darken when arc is struck. | Protective film not removed; sensors blocked; low battery (if applicable); sensitivity too low. | Remove all protective films. Ensure sensors are clean and unobstructed. Check/replace battery. Increase sensitivity setting. |
| Poor visibility through the lens. | Lens is dirty or scratched; protective film not removed. | Clean the lens with a soft cloth. Replace scratched protective lenses. Remove any remaining protective films. |
| Lens flickers or darkens intermittently. | Sensors partially blocked; sensitivity too high/low; interference from other light sources. | Ensure sensors are clear. Adjust sensitivity. Shield from other bright lights. |
| Helmet feels uncomfortable or unstable. | Headgear not properly adjusted. | Adjust the headgear straps and top band for a snug and balanced fit. |
9. User Tips
No specific user tips were available from the provided customer reviews or Q&A data. Always refer to the operating instructions and safety warnings for best practices.
10. Warranty and Support
For warranty information or technical support, please contact your retailer or the manufacturer directly. Keep your purchase receipt as proof of purchase.





