Precautions for Using a 3W UV Flashlight for Fluorescence Detection

In daily life and professional inspections, the 3W UV flashlight has become a valuable tool for fluorescence detection due to its powerful ultraviolet output and portability. Among them, the 3W UV flashlight by SUPERFIRE stands out — it features a 365nm wavelength, is powered by a single AA battery, and has compact dimensions of just 90.5×22×22mm, weighing only 50g, making it easy to carry. The device offers 90 to 120 minutes of battery life and includes a zoom function, making it versatile for tasks like banknote verification, invoice inspection, and security code identification.

To make the most of the 3W UV flashlight for fluorescence detection, the following operational considerations are crucial:

Choose a 365nm Wavelength UV Source

For fluorescence detection, it's essential to use a UV light with a 365nm wavelength. This wavelength can excite most fluorescent substances, making it the preferred choice for verifying the authenticity of items such as medicinal materials, cosmetics, antiques, and invoices.

Use in a Completely Dark Environment

The effectiveness of UV light is highly influenced by ambient lighting, so it's important to operate in a dim or completely dark environment. The darker the surroundings, the clearer the fluorescence will be, leading to more accurate assessments.

Be Cautious with Sample Backgrounds

The sample being tested should be placed on a background free of fluorescent agents. Avoid using materials like A4 paper or white paper, as they may contain fluorescent compounds, which could interfere with the detection due to their brightness. It's recommended to use black, light-absorbing fabric as the background to minimize stray light and improve both the clarity of the image and the accuracy of the evaluation.

Ensure Sufficient Battery Power

During use, ensure that the 3W UV flashlight from SUPERFIRE has enough battery power. Low battery levels can cause a decrease in UV intensity, which may affect the fluorescence display and lead to inaccurate results.

Fresh Cut Surfaces for More Accurate Detection

For natural materials or medicinal substances, it's best to focus on freshly cut or broken surfaces. Older, exposed surfaces may have undergone oxidation, which could weaken or alter the fluorescence response, affecting the assessment.

Photography Tips for Better Documentation

If you need to capture the fluorescence reaction with your phone, adjust the camera settings according to the ambient light:

• In environments with slight lighting, lower the phone's brightness to avoid overexposing the fluorescence.

  
  

• In very dark environments where the fluorescence is faint, slightly increase the phone's brightness to enhance the clarity of the fluorescence. The goal is for the photo to closely match the fluorescence color observed by the naked eye.

The SUPERFIRE 3W UV flashlight plays a critical role in detecting fluorescent agents, verifying the authenticity of medicinal materials, ensuring the safety of cosmetics, and more. It also provides professional support in areas like security and anti-counterfeiting and cultural heritage identification. With proper usage, it becomes a reliable tool for ensuring safety and promoting a healthy lifestyle.