Taiwan 20w 2100lm DLC UL Listed T8 Tube 4ft LED light

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Product Description:

Taiwan 20w 2100lm DLC UL Listed T8 Tube 4ft LED light

ItemLT01-T840   
Description4’LED Tube 1200mm
Diameter30 mm
Wattage18W/20W
LED ModuleSMD LED 256pcs  
Input voltage100~240 / 120~277 VAC
Frequency50/60 HZ
Color Temperature3000 warm, 4000 neutral, 5000 day light , 6000 cool
CRI3000k>75, 4000,5000,6000>70, >80 available on request
Luminous flux1800lm / 2100lm
Illuminance 1M385 lux /435lux
Weight365 g
Body material6063 reinforced aluminum alloy with surface treatment
Cover materialOptical grade polycarbonate with Japanese made diffuser bead
CertificationCE FCC RoHS UL cUL CNS 

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Q:Performance and characteristics of LED lamp string
1.LED lamp string can handle perforation lamp string processing;2.LED lights string may through seven colors and full-color controller to achieve colorful jump, gradient, monochrome, full-color, fluttering and other effects.
Q:What's the price of the LED light string?
The LED panel lamp has 4 aluminum substrates on each side and has 2 aluminum substrates on each side. 600x600 is about 1.5 yuan each.
Q:The top LED lights always burn the bulb in series
A simple circuit based on resistance current limiting can only be adjusted with current resistance.
Q:How do you connect the LED lights?
LED lamp can string together end to end, with more than 24 fluorescent lamp series, bulb lamp with 5X1W5 lamp series, and 6 series and 14.
Q:What are the power connections for the LED light string?
This advantage can be centralized control, inconvenience is unable to achieve a single LED light string lighting effect and switch control, which specific way can be measured by their own. I use the LED lamp string is Zhongshan Greenman with total power and parallel connected to
Q:Rated voltage of LED lamp string
When normal luminescence, each LED voltage drop is more than 2 volts, the current is about 15mA, to use 220V direct current should be connected in series with nearly one hundred led, or in the LED circuit series resistance, so that the series circuit current is about 15ma.
Q:What is the principle of the LED series?
Led 2 polar tube inside chip oscillator circuit, and the general appearance led 2 polar tube without distinction, only connected to the power supply of two kinds of color turns light, 1 seconds, I bought the 5MM red, blue autoflash. From the appearance of the series, but not necessarily in series
Q:How does the LED light string flash?
LED because of its special structure, frequent startup does not reduce its service life, but high temperature can significantly shorten its life. So cooling is important for LED.
Q:LED lights string broken, how to repair?
LED lights string broken: you can check one by one, which is bad, which change.
Q:I want to do a string of LED lights that can use batteries. About 55 or so. The lights are 5MM blue. How can I work? Urgent urgent!!
If it is a general common blue LED working current is 20 mA, voltage of about 2.5V can be lit, the battery power can be used in parallel, the benefits of this connection is one of the damage does not influence the normal operation of other LED. And each LED string to a current limiting resistor, LED protection lamp, prolong life, calculation formula of the resistance for V / 0.02A=: voltage current resistance: 3V, battery powered =3 / 0.02=150. You want to supply 55 LED batteries to work together, the total current is up to 0.02x55=1.1A, i.e. 1AH (ah) capacity of the battery can work 1 hours or so.

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