1. Introduction
The Alonefire SV41 is a powerful 10W UV LED flashlight designed for various detection and inspection tasks. Utilizing a 395nm ultraviolet light source, it is effective for revealing substances invisible to the naked eye. This manual provides essential information for the safe and effective use of your SV41 flashlight.
2. Safety Information
WARNING: Ultraviolet (UV) light can be harmful to eyes and skin. Always wear the provided UV protective glasses when operating the flashlight. Do not look directly into the UV light source. Keep out of reach of children.
- Always wear UV400 rated protective eyewear when using the UV flashlight.
- Avoid direct exposure of UV light to skin for prolonged periods.
- Do not point the flashlight at people or animals.
- Ensure the battery is inserted with correct polarity.
- Use only the specified rechargeable battery and charger.
3. Package Contents
Please verify that all items are present in your package:
- Alonefire SV41 UV LED Flashlight
- Rechargeable Lithium-ion Battery (1 included)
- Battery Charger with USB Cable
- UV Protective Glasses (UV400)
Image: The complete Alonefire SV41 kit, showing the UV flashlight, yellow protective glasses, a battery charger, and a USB charging cable.
4. Product Structure
Familiarize yourself with the components of your Alonefire SV41 flashlight:
Image: An exploded diagram illustrating the internal and external components of the SV41 flashlight, highlighting the heat sink, UV LEDs, lens, handle, and switch.
5. Setup
5.1 Battery Installation
- Unscrew the tail cap of the flashlight.
- Insert the provided Lithium-ion battery with the positive (+) end facing towards the flashlight head (LEDs).
- Screw the tail cap back on securely.
5.2 Charging the Battery
The included charger is designed for the Lithium-ion battery. It features overheat and overcharge protection.
- Place the battery into the charger, ensuring correct polarity.
- Connect the USB cable to the charger and a suitable USB power source (e.g., computer, wall adapter).
- The charger will indicate charging status (e.g., red for charging, green for fully charged).
- Once fully charged, remove the battery from the charger.
Image: The battery charger connected to a power source, showing a battery being charged with an indicator light.
6. Operating Instructions
6.1 Turning On/Off
Press the button on the tail cap to turn the flashlight on or off.
6.2 General Usage
- Ensure you are wearing the UV protective glasses before activating the flashlight.
- For best results, use the flashlight in a dimly lit or dark environment.
- Hold the flashlight at an appropriate distance from the surface you wish to inspect. The optimal distance may vary depending on the application and ambient light.
Image: The Alonefire SV41 flashlight held in a hand, illustrating its portable and user-friendly design.
7. Applications
The Alonefire SV41 UV LED flashlight is suitable for a wide range of applications:
- Pet Urine and Stain Detection: Identify invisible pet stains on carpets, rugs, and other surfaces.
- Counterfeit Currency and Document Verification: Reveal security features on banknotes, passports, and other official documents.
- Mineral and Gemstone Inspection: Observe fluorescence in certain minerals, amber, and other gemstones.
- Scorpion Detection: Scorpions fluoresce under UV light, making them easier to spot in dark environments.
- Resin Curing: Accelerate the curing process of UV-sensitive resins.
- Leak Detection: When used with UV dye, it can help detect leaks in HVAC systems, automotive fluids, and plumbing.
- Hotel Room Inspection: Check for cleanliness and hidden stains.
Image: Visual examples of the UV flashlight's utility, including detecting hidden stains in a bathroom, illuminating a cat's fur, and showing fluorescence on plants.
Image: The UV flashlight revealing a pet urine stain on a carpet next to a dog, demonstrating its effectiveness as a pet urine detector.
Image: Examples of amber and scheelite minerals exhibiting fluorescence under UV light, useful for verifying authenticity.
8. Maintenance
8.1 Cleaning
- Wipe the flashlight body with a soft, damp cloth.
- Clean the lens gently with a lens cleaning cloth to maintain optimal light output.
- Do not use abrasive cleaners or solvents.
8.2 Battery Care and Storage
- If the flashlight will not be used for an extended period, remove the battery to prevent leakage.
- Store the battery in a cool, dry place.
- Recharge the battery periodically if stored for long durations to maintain its lifespan.
9. Troubleshooting
- Flashlight does not turn on:
- Check if the battery is inserted correctly with the positive (+) end facing the head.
- Ensure the battery is charged.
- Tighten the tail cap and head assembly securely.
- Light is dim:
- The battery may be low; recharge it.
- Clean the lens if it appears dirty.
10. Specifications
| Feature | Specification |
|---|---|
| Model | SV41 |
| Light Source Power | 10 Watts |
| UV Wavelength | 395 nm |
| Voltage | 3.7 Volts |
| Material | Aluminum Alloy |
| Water Resistance | Waterproof |
| Battery Type | 1 Lithium-ion (rechargeable) |
| Item Weight | 260 grams |
| Dimensions (Package) | 18.5 x 8.7 x 5.7 cm |
11. Warranty and Support
For warranty information or technical support, please refer to the product packaging or contact Alonefire customer service directly. Keep your purchase receipt for warranty claims.
