T8 LED Tube 1.2m 18w 1700lm Three Years Warranty CLEAR COVER

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Q:The child lamp chooses led good or the lamp tube is good: All can be LED with the natural white light bulb (osram), the lamp tube with three base color. From the protection of sight, try not to read for long periods of time, take a proper rest, look at the distance and move your eyes

Q:If the led lamp is replaced, the lamp power should be small: Yes, there is a difference in color temperature between 14 and 18W.Yeah, how else to say energy efficiency

Q:Brightness, longevity The current led lighting tube is 90-100lm/watt, and the life span is more than 20,000 hours, and the chips and power supply should be paid attention to. We adopt a 3-ampere, long power supply to ensure the quality of the lamp.: Of course, some of the less known and inferior brand LED lights for one-sided to cater to consumer demand, in driving circuit to make the LED work under the condition of more than rated condition, light efficiency is very high, but the disease also is very obvious, the working life will be very short, light failure is severe, a period of time will be significantly dimmed. Therefore, when choosing a product, pay attention to the mainstream product of big brand, don't pay too much attention to light effect. This is especially true of the hybrid.

Q:How does the lamp line connect: Briefly said, fluorescent lamp need to shine at the beginning of the start to a transient high pressure, the pressure is greater than 220 v, ballast can produce the instantaneous high pressure, help the fluorescent lamp. Before the lamp to shine, in addition to need ballast, also need a starter starter (scientific name:), like many tubes above the starter without this now,

Q:How to choose daylight lamp? What is the light bulb specification?: The fluorescent lamp shines after normal. Due to alternating current (ac) continuously through the ballast coil, the coil of self induction electromotive force, self inductance electromotive force blocking the current in the coil change, ballast step-down current-limiting role at this moment, the current is stable in the range of the rated current of the lamp tube on both ends of the voltage is stable within the rated voltage range. Because the voltage is lower than the ionization of the starter, so is no longer the starter in parallel at each end of the work, daylight lamp specifications: general search said 50 cm, 100 cm, 120 cm. Fluorescent lamp structure and function: each has a filament on both ends of the fluorescent lamp, inside the tubes filled with tiny amounts of argon and the thin mercury vapor, tube coated with phosphor, on the wall between the two filament gas when conducting an ultraviolet, the fluorescent powder soft light.

Q:Can the T5 light tube be free of ballast?: Your home is T4, but there's a rectifier on both sides.I hope my answer is useful to you.

Q:What about the quality gap between leds?: LED fluorescent lamp quality decides the price fluctuations, whole. Is still that sentence, a price a points goods. What kind of quality determines what kind of price, also determines the quality of how.

Q:Can normal LED fluorescent tubes be used in a vacuum?: Both kinds of light-emitting device itself can be used in vacuum environment. But they alone is difficult to work and need to match the other electronic components and circuit, LED to match driver circuit (); Fluorescent lamp or fluorescent lamp should match the inductance ballast or electronic ballast circuit components, such as ability to work, some of these additional circuits and components can work in a vacuum, some components may not be suitable for vacuum work, some will spread in a vacuum, could destroy the vacuum environment, some hot components in a vacuum, also not easy heat dissipation

Q:What is the price of an ordinary daylight lamp outside? That's the kind of...: That's exactly what I wanted to ask.A dozen dollars, a cheap ten dollars.I hope my answer will work for you.

Q:LED daylight tube is the minimum of the W, the maximum number of W: But there is an unconventional product that can be done in 30W.I hope my answer is useful to you.

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