Reptile Uv Tester, 3.3Inch Test Uvb Sensor Reptile Heat Lamp Fit Uvb Bulb Uv Sensor Testing Card(2-Pcs)

[Portable UV Tester] 3.3inch reptile UV tester card will turn purple when encountering uvb light in 10s.

[ Meet UVB turn purple] The uv tester card is based on the principle of molecular change. When this molecule absorbs the energy of uvb light to a certain extent, it changes the molecular structure, which leads to the change in wavelength, and finally turn purple.

[Simple to Test] Just place the testing card 3.5’‘ away from the lamp(light on) and wait for 3~10 seconds(Suit for :3.0 ~10.0 UVB bulb,UVB basking spot lamp,UVB lamp).

[Chameleon Carving]The card is almost black, and a white chameleon is meticulously engraved on the photometric coating.

[List of Sizes] UVB Sensor‘s length:3.35in; width: 2.12 in; thickness: 1mm; Weight: 0.07oz. Available 300~500 times.