-This digital UV light meter features an LCD screen that can accurately display the value of UV irradiance. You can easily monitor the performance of your UV radiation source, and replace it when the output drops to 70% of thereadings -The LCD screen will provide clear readings, and you can record them if desired. For more accurate data, it is recommended to perform multiple tests at the same distance and take an average -This UV light meter is compact in size, making it easy to carry and handle. It is equipped with UV light-sensitive devices and an integrated UV filter -With the adoption of high precision digital AD technology, the screen accuracy of this UV light meter is stable and accurate -This UV light meter is widely used for daily testing of various lamps. It effectively helps you choose the best UV lamp and determine the optimal distance for your specific needs