Solar Light’s Model 3D UV Minder® Intensity Meter accurately measures the UVA and UVB spectra with its on-board UVA and UVB sensors. The meter shows the intensity of UVB (also called SUV – Sunburning UV) in Minimal Erythemal Doses per Hour (MED/Hr), the accepted clinical measure for sunburn potential. The UVA sensor measures UV intensity in the 320-400nm range, displaying UVA irradiance in mW/cm2. We also offer a special Model 3D-XP Xeroderma Erythemal UV Intensity Meter for measuring very low UV intensity, down to 3 decimal places, for XP patients. Please specify wavelength range required when ordering. The 3D meter is durable, simple to use, and extremely accurate.
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Reviewed in the United States on February 4, 2026
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So glad I bought this! I need to move almost all of my reptiles lights to the inside of their cages for them to be in the correct zones, I had no idea they were not getting enough uvb before.

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