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- What is the classification of the protection (IP) level of the LED driver? How to test?
- The protection (IP) level of the LED Driver is represented by IPxy, x represents dustpro...
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- These are the common used working input voltage: 100-277Vac/120-277Vac/100-240Vac/220-240Vac/277-480
- Answer:108-305Vac, 90-264Vac, 180-305Vac, 249-528Vac, Since the safety regul...
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- What is THD? What causes THD? What does THD<15% mean? What is the waveform diagram?
- Answer: THD is total harmonic distortion, THD=1/I1*√(∑Ik2) K>1 (I1 is the fundamental wave);&...
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- Human body induction and microwave human body induction
- Differences: The infrared induction wavelength is between 770 nm and 1mm, which is the infr...
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