Blog
What is TLCI, SSI and TLMF?
What is TLCI, SSI and TLMF? They are three metrics to help cinematographers get lighting right at the shoot to save time and trouble for a colorist during post production.
What is Phytochrome Photostationary State (PSS)?
For many plants, sprouting, flowering, fruiting are determined by seasonal variations. Here we look at PSS and Grow Lights and how they achieve the same influence.
Handbook Series
The Flicker Handbook
A comprehensive look at Flicker, why we have it, what problems it presents, how you can measure it and what you can do to avoid it.
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.
Announcements
UPRTEK AT THE 30TH INTERNATIONAL CONFERENCE ON ARABIDOPSIS RESEARCH (ICAR 2019)
UPRtek's partner in China, Quelighting Optoelectronics Co., Ltd, and Plant Growth Chamber Manufacturer Ningbo Jiangnan Instrument Factory will attend the 30th International Conference on Arabidopsis Research (ICAR ) which is being held on June 16-21 at Huazhong Agricultural University in Wuhan City, Hubei Province, China.
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