UV UVC Test Card

UV and UVC resin tests must be viewed directly under the light you are testing. When not illuminated by light, the letters disappear instantly. The UV strength test surface can be in a closed box or directly under the light, your device is effective when the color of the card changes from white to dark purple/light green.

Easy to use: The cards are designed to be easy to use and easy to understand. There are no confusing instructions, and the cards clearly indicate the test results.

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