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Mom & Dads:  Why is the Sky Blue?

Mom & Dads: Why is the Sky Blue?

Why is the sky blue? It’s the quintessential kid question that stumps parents all the time. But, if your child were to ask it, could you answer? In this article, we cut straight to the essential points to make you the expert on sky color.

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How does green light affect photosynthesis?

How does green light affect photosynthesis?

We often focus on blue and red colors in grow lights because chlorophyl can easily absorb those wavelengths. Green light however is often neglected, but should be a part of grow light strategy that can impact crop yield significantly.

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What does far red light do for plants?

What does far red light do for plants?

Far-red light impacts plants in so many ways that it’s sometimes confusing, misunderstood, and even controversial. Nevertheless, it’s an important topic for indoor growers to grasp in order to harness the strategies of far-red light in their businesses.

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Optimizing Indoor Agriculture: Leveraging the Power of UVA Spectrum

Optimizing Indoor Agriculture: Leveraging the Power of UVA Spectrum

Indoor agriculture faces a challenge in delivering visually appealing, nutritious crops without natural sunlight. To overcome this, leveraging UVA spectrum light offers a promising solution. Research shows that controlled UVA exposure enhances fruit ripening, improving sweetness and flavor. Integrating UVA optimization into indoor farming practices can elevate crop quality, meeting consumer preferences effectively.

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Hue, Saturation, Brightness and Spectrometers

Hue, Saturation, Brightness and Spectrometers

When we talk about light and color, terms like Hue, Saturation, and Brightness frequently come up, but many of us struggle to explain them or grasp their significance. In this article, we aim to demystify these terms, explain why they matter, and show you how to measure them.

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Do you know Why grow lights are purple?

Do you know Why grow lights are purple?

Grow lights shine purple because they are arrays of bluish and reddish LEDs. And plants are most efficient at absorbing blue light and red light to conduct photosynthesis, that results in sugars used for many of the plants metabolic processes.

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What is Light and where does it come from?

What is Light and where does it come from?

We non-scientists take for granted that light is just light, and hardly think about where it comes from or how it’s produced. So if your work involves light, lighting or even indoor farming, we thought you might like to know.

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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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Spectral Devices

What is a Spectrometer, Spectrophotometer, Spectroradiometer?

In the realm of spectral devices, three devices stand out: a Spectrometer, a Spectrophotometer, and a Spectroradiometer.

However, these terms have been so interchangeably used, we understand why it might be confusing.  Therefore, we felt obligated to clarify their differences in one short article.  Differentiate these terms like a pro!

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