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News - Choose LED lamp, you need know
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Choose LED lamp, you need know.
Want to choose LED lamp, you need know:
The first, packing and marking.National compulsory for LED lamps and
lanterns manufacturer on the product packaging market the following
content: rated voltage, voltage range, rated power,rated
frequency.Generally speaking, the high quality product logo printing
quality is good, the logo clear,with a soft wet cloth to wipe is not
easy to erase, and with the manufacturer's trademarks and related
certification marks.
Scond, it is lamp appearance, appearance should be no cracks, loose,
and interfaces between has been broken open a trace. In the process of
installation, disassembly, lamp holder, loosening or failed and should
not have. Light plastic case must choose that kind of flame retardant
engineering plastics, is characterized by its surface is similar to the
simple sense of frosted glass. And common plastic surface is smooth,
shiny, but easy to deformation and flammable. is banned for
energy-saving lamp production.
Third:There is working condition. LED Lamps and lantern is under normal
working state, temperature rise should be low, if the cooling
conditions is bad, lamp bead work under high temperature, the light
failure will be very big, lamps and lanterns of life will be greatly
reduced. At the same time, in the light of lamps and lanterns and
closing, if there is a rapid flashing, also suggests that there is
quality problem.
The last:It is to work, Electromagnetic compatibility are electrical
appliance must be through the project in the LED lighting products must
be printed on the package the symbol of electromagnetic compatibility
test of the country. We can also pass a little test to simple judgment,
with a medium short wave radio, when lights work, put the radio on,
nearby radio accept to lower noise, electromagnetic compatibility, the
better the light under test, Heard of LED lamps and lanterns in quiet
environment sound at work, if can very clearly hear the sound of the
lamps work, illustrate the power of the lamps and lanterns is not very
good.
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