Grow Lights Articles

The Mighty Chlorophyll Molecule

The Mighty Chlorophyll Molecule

Chlorophyll, besides water, is perhaps the most essential molecule for life on this planet. Everything that we eat, everything that sustains us is derived from this mighty molecule.

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Photosynthesis: What, Where, How and Why?

Photosynthesis: What, Where, How and Why?

What is photosynthesis? For many, it’s something we’ve learned or heard about, but the details have escaped us over the years. So, we thought it might be helpful to review the salient points and terminology of this amazing process for you.

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Handbook Series

The Flicker Handbook

Everything thing you need to know about Flicker, an insidious, potentially serious lighting artifact impacting visual safety for public places like hospitals, offices, libraries, and more...

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About UPRtek

United Power Research and Technology

UPRtek (est. 2010) is a manufacturer of portable, high-precision light measurement instruments; Handheld Spectrometers, PAR meters, Spectroradiometers, Light Calibration Solutions.

UPRtek HQ, R&D and manufacturing are all based out of Taiwan, with Worldwide representation through our certified Global Resellers.

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Medical Setting using LED or Fluorescent Lights

What is Metamerism?

Imagine you’re at a department store and find a shirt and pant combination. Despite being from different brands, they have perfectly matched colors. However, when you return home and try them on, you’re annoyed to find that the colors are slightly different.  We explain all about metamerism, from big picture to essential details.

  ▸ What is Metamerism Audio Article