We found the GUVB-C31 https://www.digikey.com/short/088zdvb8 and GUVA-C32 https://www.digikey.com/short/wj29qtvr tucked in the Digi-Key catalog, these are UV sensors with true UV diodes and tuned for different spectra. We’re always getting requests for true UV sensors, and these could be useful particularly given the different responsivity. The GUVB is good for ~250 to 320nm, the GUVA is ~250 to 370nm and can output UV index as well it seems. We’ve never seen this chip used but we whipped up a quick breakout and will try it to see how well they work!
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