Table lamp buying skills

The light source for writing desk lamps generally has four categories: incandescent lamps, tungsten halogen lamps, fluorescent lamps, and LEDs. The three types of light sources have their own advantages and disadvantages. Different people may like the light color and brightness of different light sources, which should be suitable for people. In order to be able to project most of the light onto the table, the light source of the writing desk lamp is usually mounted horizontally or downwards.

When purchasing a writing desk lamp, in addition to checking its optical performance, it should also check whether other performance is acceptable.

One pull, two touch, three shake, four touch. “Pull” means pulling the power cord plug out of the socket and pulling the power cord out of the lamp cavity to see if the power cord is securely connected. The power cord cannot fall out of the lamp cavity. “Tune” refers to the adjustment of various working positions of the desk lamp. When adjusting, the sound cannot be made, and the adjusted working position should be able to be easily and reliably locked. “Shake” means to adjust the desk lamp to the most unfavorable working position, then gently shake the plane where the desk lamp is placed to see if the desk lamp is easy to fall over. If the desk lamp is not stable, it will easily fall over. “Touch” refers to whether the heat-generating parts that are easily accessible when the table lamp is turned on for a period of time (2 hours) by hand, such as a lamp cover, are hot, in case of accidental burns in the future.

The following ten lamp brands are available for consumers to choose from: Philips (PHILIPS), Osram, MKD, Liangliang, Panasonic, GUANYA, OPPLE, Huaxiong/Yingke, long-term DP, Donglian lighting. [2]

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