|Lamp luminous flux(lm):
30W LED downlight office downlight reading room downlight
30W LED downlight application of space: LED downlight widely used in office, reading room, factories, shopping malls, schools, hospitals, hotels, homes, restaurants, exhibition halls, art galleries, museums etc. various other public places
The lamp specifications are 30W, its technical parameters as follows:
Light Source Type
220--240V50 / 60Hz
90LM / W or more
6square meters -8 square meters
office, reading room, factories, shopping malls, schools, hospitals, hotels, homes, restaurants, exhibition halls, art galleries, museums etc. various other public places
Our business philosophy is"people-oriented, technology-first", "quality first, service-oriented" . environmental care into product designs - create a bright and beautiful, and dedication to provide customers with cheap and quality lighting products service, warmly welcome new and old friends at home and abroad patrons.
- Q:LED lamp power off why would light up
- LED lights turn off the light: 1, the switch is cut off the zero line, you can change the line.2, share change in induction. Switch off zero line with switch.No electricity and no effect on the light, so ignore it.
- Q:How to judge the quality of LED downlight
- No professional instruments, only to see the brightness drive, the size of the work chip ~!
- Q:LED downlight downlight and how to distinguish?
- The lampshade can be made exactly the same. Distinguish between LED and ordinary lamp can see the inside of the light source, is a common lamp installation of energy-saving lamps. It is an LED light source lamp
- Q:How are LED lamp quality is good or bad?
- 3, light. Good LED lamp 25000 hours before the light is less than 30%, the main factors are the light source and the light however decided the quality of radiator. And better light sources have foreign CREE and so on.4, light effect. Luminous efficiency is the lumen number per watt, in units of LM/W. It is the reaction power saving performance of LED downlight. The better the power saving performance, the higher the light efficiency will be.
- Q:The opening 7, 5 cm height of the LED lamp, home decoration into the floor with fear of hydrochlorothiazide
- 75mm hole, downlight height can be controlled in 3W.5W, height of about 50mm, there is a need to ask me.
- Q:There are no holes 7 cm, 9W led downlight
- Spotlights, 7 cm can do, and if you feel dazzling, you can use acrylic diffuser plate to do astigmatism, you can also adjust the angle
- Q:Excuse me, how many different sizes for LED lamp lumens
- If we assume power 5W 4 inch downlight case, assuming optical efficiency is 100LM/W, 4 inch downlight ideal luminous flux of 500LM, is on the wreck. The transparent cover is about 400 of the LM, if it is other material non transparent light cover would be lower, probably only more than 300 LM
- Q:LED is not only the benefits of downlight what harm?
- Not good manufacturers can only be said to be defective, LED competition in the domestic market is too large, resulting in product quality, now there LED manufacturers can LED lamps prices do with energy-saving lamps are almost the same, I smiled, this is the difference
- Q:7 square feet of aisle to install 3 LED downlight, how much w led downlight
- You need to know how bright it is to be sure
- Q:Why use LED lamp light source patch
- SMD LED light emitting angle is 180 degrees (theoretical value), the diffuse reflective light through the tubular lamp cup, directed and no lens dazzling, very suitable for general lighting purposes. Of course, the cost of the lens is also saved.
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