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<p>Luminous flux oscillations (causing output voltage ripple) generated in certain environmental conditions, both under sudden light variations and constant light, even if not consciously perceived, create a disturbance and may cause hazards in the workplace.</p>
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<p>Recent research has shown that a stable lighting increases the safety and productivity of workers. According to some studies, about one person out of 4000 is particularly sensitive to flashing lights at a frequency between 3 and 70 Hz. This flicker can induce serious disorders.</p>
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<h2><strong>More stable images</strong></h2>
<p>Luminous flux oscillations have clear impacts on monitors where images may appear fuzzy or blurry. Therefore, light stability is a key requirement for obtaining high quality videos. Interference with TV/photo camera is usually within the 60 Hz to 1k Hz interval.</p>
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<h2><strong>No more eye strain</strong></h2>
<p>A long-term exposure to flicker at high frequencies (between 70 and 160 Hz) may result in discomfort, headache and damages to the retina. A good high-frequency switching driver will minimize the alternate current component of the voltage ripple and of the output signal. With flicker-free lamps featuring minimal glare (UGR&lt;19) and good colour rendering (CRI 90), you can create a healthier and more comfortable lighting environment.</p>
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<h2>Clarifications on Low Optical Flicker products</h2>
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<p><strong>UL</strong> has been studying the issue and is getting prepared to issue a dedicated regulation. In the meantime, it is developing a standard that will classify luminaires based on their level of flicker.</p>
<p>The approval mark is identified with the &#8220;<strong>low-flicker risk</strong>&#8221; logo that calculates the maximum percent of flicker to 8% at 50Hz and to 10% at 60Hz.</p>
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<p><iframe loading="lazy" title="LOW OPTICAL FLICKER EN" width="500" height="281" src="https://www.youtube.com/embed/xuWnmbHaC7k?feature=oembed" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe></p>
<h2><strong>Visible flicker</strong></h2>
<p>Flicker produced by Led fixtures at frequencies below 60hz and that depend on several factors including the ripple of the direct current output of a power supply.</p>


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